5,295 water systems tracked in Iowa, serving 3,541,607 people. 8 systems have reported a result above an EPA PFAS limit and face the April 2029 compliance deadline.
Iowa follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
IA follows federal EPA MCLs. PFAS detected in multiple drinking water systems.
Iowa follows federal EPA MCLs. PFAS contamination detected around Iowa Army Ammunition Plant and other sites.
Free check against EPA UCMR5 data for PFOA and PFOS above the 4 ppt limit, plus weekly Iowa MCL, deadline, and funding alerts.
Checked against the agency's page on Nov 1, 2026. Confirm dates there before planning around them.
If your system needs a lab, an engineer, a treatment firm or a funding contact, tell us what the project needs. We'll point you to who may fit.
Firms with PFAS-related federal awards routed to Iowa (USASpending). See the national top 50 →
| Rank | Recipient | Total awarded | # awards |
|---|---|---|---|
| 1 | IOWA DEPARTMENT OF NATURAL RESOURCES | $85,764,000 | 5 |
| 2 | IOWA STATE UNIVERSITY OF SCIENCE AND TECHNOLOGY | $1,758,139 | 2 |
| 3 | THE UNIVERSITY OF IOWA | $855,250 | 2 |
| 4 | SHEKAR ENGINEERING, P.L.C | $220,690 | 1 |
| 5 | AMERICAN ORDNANCE LLC | $13,540 | 1 |
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| DES MOINES WATER WORKS IA7727031 | DES MOINES | 246,055 | — | — | No result above limit |
| IOWA-AMERICAN WTR CO-DAVENPORT IA8222001 | DAVENPORT | 147,720 | 4.1 | — | Exceeds |
| CEDAR RAPIDS WATER DEPARTMENT IA5715093 | CEDAR RAPIDS | 142,364 | — | — | No result above limit |
| SIOUX CITY WATER SUPPLY IA9778054 | SIOUX CITY | 85,791 | 6 | 4.3 | Exceeds |
| ANKENY, CITY OF IA7709053 | ANKENY | 76,207 | — | — | No result above limit |
| WEST DES MOINES WATER WORKS IA7785007 | WEST DES MOINES | 73,959 | — | — | No result above limit |
| WATERLOO WATER WORKS IA0790074 | WATERLOO | 69,504 | — | — | Exceeds |
| IOWA CITY WATER DEPARTMENT IA5225079 |
| IOWA CITY |
| 68,753 |
| — |
| — |
| No result above limit |
| COUNCIL BLUFFS WATER WORKS IA7820080 | COUNCIL BLUFFS | 64,447 | — | — | No result above limit |
| DUBUQUE WATER WORKS IA3126052 | DUBUQUE | 59,667 | 5.1 | — | Exceeds |
| AMES WATER TREATMENT PLANT IA8503039 | AMES | 55,177 | — | — | No result above limit |
| URBANDALE WATER UTILITY IA7780042 | URBANDALE | 45,605 | — | — | No result above limit |
| ISU IA8503528 | AMES | 42,000 | — | — | No result above limit |
| MARION MUNICIPAL WATER DEPT IA5751035 | MARION | 41,623 | — | — | No result above limit |
| CEDAR FALLS MUNICIPAL WATER UTILITIES IA0709084 | CEDAR FALLS | 40,713 | — | — | No result above limit |
| IA REGIONAL UTILITIES ASSOC (WAVERLY) IA0990701 | NEWTON | 37,820 | — | — | No result above limit |
| BETTENDORF WATER SUPPLY IA8209007 | BETTENDORF | 33,215 | — | — | No result above limit |
| RATHBUN REGIONAL WATER ASSN (RATHBUN) IA0400900 | CENTERVILLE | 33,000 | — | — | No result above limit |
| WAUKEE WATER SUPPLY IA2573080 | WAUKEE | 31,823 | — | — | No result above limit |
| CENTRAL IA WATER ASSN (NEWTON) IA5059704 | NEWTON | 28,250 | — | — | No result above limit |
| MARSHALLTOWN WATER WORKS IA6469042 | MARSHALLTOWN | 27,680 | — | — | No result above limit |
| MASON CITY WATER DEPARTMENT IA1750048 | MASON CITY | 27,338 | — | — | No result above limit |
| UNIVERSITY WATER SYSTEM IA5225101 | IOWA CITY | 26,684 | — | — | No result above limit |
| BURLINGTON MUNICIPAL WATERWORKS IA2909053 | BURLINGTON | 26,015 | — | — | No result above limit |
| FORT DODGE WATER SUPPLY IA9433050 | FORT DODGE | 25,874 | — | — | No result above limit |
| OTTUMWA WATER WORKS IA9083012 | OTTUMWA | 25,529 | — | — | No result above limit |
| MUSCATINE POWER & WATER IA7048001 | MUSCATINE | 25,516 | 7.2 | 4.5 | Exceeds |
| JOHNSTON MUNICIPAL WATER SUPPLY IA7740011 | JOHNSTON | 24,897 | — | — | No result above limit |
| IOWA-AMERICAN WTR CO-CLINTON DISTRICT IA2326048 | CLINTON | 24,769 | — | — | No result above limit |
| NORTH LIBERTY WATER SUPPLY IA5252072 | NORTH LIBERTY | 23,276 | — | — | No result above limit |
| CORALVILLE MUNI WATER SYSTEM IA5208071 | CORALVILLE | 22,318 | — | — | No result above limit |
| SIRWA #2 (CRESTON) IA8080701 | CRESTON | 20,793 | — | — | No result above limit |
| CLIVE WATER DEPARTMENT IA7720051 | CLIVE | 20,277 | — | — | No result above limit |
| WARREN WATER DISTRICT IA9133701 | INDIANOLA | 20,095 | — | — | No result above limit |
| ALTOONA WATER SUPPLY IA7707030 | ALTOONA | 19,565 | — | — | No result above limit |
| GRIMES WATER SUPPLY IA7736011 | GRIMES | 17,809 | — | — | No result above limit |
| WAPELLO RURAL WATER ASSOC. IA9000742 | OTTUMWA | 17,263 | — | — | No result above limit |
| NEWTON WATER SUPPLY IA5059064 | NEWTON | 16,518 | — | — | No result above limit |
| INDIANOLA WATER SUPPLY IA9133075 | INDIANOLA | 15,833 | — | — | No result above limit |
| NORWALK WATER SUPPLY IA9164078 | NORWALK | 14,334 | — | — | No result above limit |
| POWESHIEK WATER ASSOCIATION IA8670701 | TAMA | 13,920 | — | — | No result above limit |
| XENIA RWD (DES MOINES) IA2573701 | BOUTON | 12,860 | — | — | No result above limit |
| OSKALOOSA MUNICIPAL WATER DEPT IA6273005 | OSKALOOSA | 12,808 | — | — | No result above limit |
| BOONE WATER WORKS IA0819033 | BOONE | 12,704 | — | — | No result above limit |
| RATHBUN REG WATER ASSN (FT MADISON) IA0400901 | CENTERVILLE | 11,840 | — | — | No result above limit |
| STORM LAKE WATER TREATMENT PLANT IA1178097 | STORM LAKE | 11,431 | — | — | No result above limit |
| SPENCER MUNICIPAL WATER UTILITY IA2171071 | SPENCER | 11,325 | — | — | No result above limit |
| FT MADISON MUNI WATER WORKS IA5625062 | FORT MADISON | 11,087 | — | — | No result above limit |
| PLEASANT HILL WATER DEPARTMENT IA7767092 | PLEASANT HILL | 11,079 | — | — | No result above limit |
| PELLA WATER WORKS DEPARTMENT IA6368033 | PELLA | 11,052 | — | — | No result above limit |
| LEMARS WATER DEPARTMENT IA7540174 | LEMARS | 10,606 | — | — | No result above limit |
| WAVERLY WATER DEPARTMENT IA0990085 | WAVERLY | 10,394 | 7.2 | — | Exceeds |
| CARROLL MUNICIPAL WATER SUPPLY IA1415072 | CARROLL | 10,184 | — | — | No result above limit |
| KEOKUK MUNICIPAL WATER WORKS IA5640019 | KEOKUK | 9,900 | — | — | No result above limit |
| FAIRFIELD WATER SUPPLY IA5131033 | FAIRFIELD | 9,821 | — | — | No result above limit |
| MAHASKA RURAL WATER SYSTEM, INC. IA6273901 | OSKALOOSA | 9,818 | — | — | No result above limit |
| GRINNELL WATER DEPARTMENT IA7930008 | GRINNELL | 9,564 | — | — | No result above limit |
| BONDURANT MUNI WATER SUPPLY IA7717032 | BONDURANT | 9,393 | — | — | No result above limit |
| DENISON WATER SUPPLY IA2424027 | DENISON | 9,381 | — | — | No result above limit |
| MOUNT PLEASANT MUNICIPAL UTILITIES IA4453016 | MOUNT PLEASANT | 9,274 | — | — | No result above limit |
| IOWA LAKES REGIONAL WATER - OSGOOD IA3060001 | SPENCER | 9,021 | — | — | No result above limit |
| KNOXVILLE WATER WORKS IA6342036 | KNOXVILLE | 8,400 | — | — | No result above limit |
| RATHBUN REG WTR ASSN (BURLINGTON) IA0400902 | CENTERVILLE | 8,375 | — | — | No result above limit |
| SIOUX CENTER MUNICIPAL WATER DEPARTMENT IA8486053 | SIOUX CENTER | 8,231 | — | — | No result above limit |
| PERRY MUNICIPAL WATER WORKS IA2561036 | PERRY | 7,836 | — | — | No result above limit |
| WEBSTER CITY WATER SUPPLY IA4063094 | WEBSTER CITY | 7,825 | — | — | No result above limit |
| CLEAR LAKE WATER DEPARTMENT IA1716076 | CLEAR LAKE | 7,687 | — | — | No result above limit |
| DECORAH WATER DEPARTMENT IA9630012 | DECORAH | 7,615 | — | — | No result above limit |
| TIFFIN WATER SUPPLY IA5288021 | TIFFIN | 7,577 | — | — | No result above limit |
| SOUTHEAST POLK RWD IA7774701 | DES MOINES | 7,565 | — | — | No result above limit |
| CRESTON WATER SUPPLY IA8816089 | CRESTON | 7,536 | — | — | No result above limit |
| CHARLES CITY WATER SUPPLY IA3405012 | CHARLES CITY | 7,446 | — | — | No result above limit |
| WASHINGTON WATER DEPARTMENT IA9271068 | WASHINGTON | 7,362 | — | — | No result above limit |
| ATLANTIC MUNICIPAL UTILITIES IA1509074 | ATLANTIC | 7,252 | — | — | No result above limit |
| HIAWATHA WATER DEPT IA5735045 | HIAWATHA | 7,183 | — | — | No result above limit |
| OSCEOLA RURAL WATER SYSTEM-NORTH IA7227701 | MAY CITY | 7,002 | — | — | No result above limit |
| NEVADA WATER SUPPLY IA8562044 | NEVADA | 6,925 | — | — | No result above limit |
| IOWA LAKES REGIONAL WATER IA2100701 | SPENCER | 6,755 | — | — | No result above limit |
| ELDRIDGE WATER SUPPLY IA8230008 | ELDRIDGE | 6,726 | — | — | No result above limit |
| POLK CITY WATER SUPPLY IA7770050 | POLK CITY | 6,533 | — | — | No result above limit |
| ADEL MUNICIPAL WATER WORKS IA2503003 | ADEL | 6,461 | — | — | No result above limit |
| ORANGE CITY MUNICIPAL WATER DEPARTMENT IA8474097 | ORANGE CITY | 6,267 | — | — | No result above limit |
| SPIRIT LAKE WATERWORKS IA3070078 | SPIRIT LAKE | 6,167 | — | — | No result above limit |
| MAQUOKETA MUNICIPAL WATER IA4950029 | MAQUOKETA | 6,128 | — | — | No result above limit |
| XENIA RWD (NORTH) IA9425701 | BOUTON | 6,122 | — | — | No result above limit |
| INDEPENDENCE WATER DEPT IA1037070 | INDEPENDENCE | 6,064 | — | — | No result above limit |
| IOWA TEST 3 IA0000003 | SLOAN | 6,000 | — | — | No result above limit |
| ASBURY MUNICIPAL WATER SYSTEM IA3102001 | ASBURY | 5,943 | — | — | No result above limit |
| OELWEIN MUNICIPAL WATER WORKS IA3353088 | OELWEIN | 5,920 | — | — | No result above limit |
| ESTHERVILLE WATER TREATMENT PLANT IA3218024 | ESTHERVILLE | 5,904 | — | — | No result above limit |
| MARION CO. RURAL WATER DISTRICT IA6342711 | KNOXVILLE | 5,687 | — | — | No result above limit |
| RED OAK WATER SUPPLY IA6950075 | RED OAK | 5,596 | — | — | No result above limit |
| DE WITT WATER SUPPLY IA2330036 | DEWITT | 5,514 | — | — | No result above limit |
| SHELDON WATER DEPARTMENT IA7170040 | SHELDON | 5,512 | — | — | No result above limit |
| OSCEOLA WATER WORKS IA2038038 | OSCEOLA | 5,503 | — | — | No result above limit |
| ALGONA MUNICIPAL UTILITIES IA5502015 | ALGONA | 5,487 | — | — | No result above limit |
| GLENWOOD MUNICIPAL UTILITIES IA6525090 | GLENWOOD | 5,449 | — | — | No result above limit |
| WINTERSET MUNICIPAL WATERWORKS IA6171029 | WINTERSET | 5,428 | — | — | No result above limit |
| SOUTHERN SIOUX COUNTY RURAL WATER IA8400733 | IRETON | 5,420 | — | — | No result above limit |
| CENTERVILLE MUNICIPAL WATERWORKS IA0407008 | CENTERVILLE | 5,344 | — | — | No result above limit |
| CHEROKEE WATER SUPPLY - PLANT 1 IA1811020 | CHEROKEE | 5,199 | — | — | No result above limit |
| IOWA FALLS WATER DEPARTMENT IA4260097 | IOWA FALLS | 5,146 | — | — | No result above limit |
| MANCHESTER WATER SUPPLY IA2839021 | MANCHESTER | 5,077 | — | — | No result above limit |
| HARLAN MUNICIPAL UTILITIES IA8335029 | HARLAN | 5,067 | — | — | No result above limit |
| SERGEANT BLUFF WATER SUPPLY IA9774033 | SERGEANT BLUFF | 5,015 | — | — | No result above limit |
| XENIA RWD (BOONE) IA0844006 | BOUTON | 4,975 | — | — | No result above limit |
| VINTON MUNICIPAL WATER DEPT IA0688053 | VINTON | 4,938 | — | — | No result above limit |
| SHENANDOAH WATER DEPT IA7383045 | SHENANDOAH | 4,925 | — | — | No result above limit |
| WINDSOR HEIGHTS WATER DEPT. IA7791027 | WINDSOR HEIGHTS | 4,891 | — | — | No result above limit |
| HUMBOLDT MUNICIPAL WATER DEPT IA4641064 | HUMBOLDT | 4,792 | — | — | No result above limit |
| SAC & FOX (MESKWAKI) IN IOWA 070000003 | TAMA | 4,765 | — | — | No result above limit |
| CAMANCHE WATER SUPPLY IA2322066 | CAMANCHE | 4,570 | — | — | No result above limit |
| EVANSDALE WATER WORKS IA0723027 | EVANSDALE | 4,561 | — | — | No result above limit |
| MOUNT VERNON WATER SUPPLY IA5758021 | MOUNT VERNON | 4,527 | — | — | No result above limit |
| DYERSVILLE MUNICIPAL WATER CO IA3130091 | DYERSVILLE | 4,477 | — | — | No result above limit |
| ANAMOSA MUNICIPAL WATER SUPPLY IA5307048 | ANAMOSA | 4,457 | — | — | No result above limit |
| CHARITON MUNICIPAL WATER WORKS IA5903011 | CHARITON | 4,381 | — | — | No result above limit |
| CLARINDA WATER PLANT IA7329029 | CLARINDA | 4,372 | — | — | No result above limit |
| HAMPTON MUNI WATER WORKS IA3544024 | HAMPTON | 4,337 | — | — | No result above limit |
| FOREST CITY WATER SUPPLY IA9525047 | FOREST CITY | 4,285 | — | — | No result above limit |
| HUXLEY WATERWORKS DEPT IA8538066 | HUXLEY | 4,244 | — | — | No result above limit |
| JEFFERSON WATER DEPARTMENT IA3742004 | JEFFERSON | 4,182 | — | — | No result above limit |
| CARLISLE WATER SUPPLY IA9113071 | CARLISLE | 4,170 | — | — | No result above limit |
| REGIONAL WATER IA8300184 | AVOCA | 4,132 | — | — | No result above limit |
| SIRWA #3 (OSCEOLA) IA2038701 | CRESTON | 4,080 | — | — | No result above limit |
| ROCK VALLEY WATER SUPPLY IA8482096 | ROCK VALLEY | 4,059 | — | — | No result above limit |
| MONTICELLO WATER SUPPLY IA5343098 | MONTICELLO | 4,040 | — | — | No result above limit |
| WEST LIBERTY WATER UTILITY IA7073010 | WEST LIBERTY | 3,938 | — | — | No result above limit |
| CRESCO WATERWORKS IA4515087 | CRESCO | 3,913 | — | — | No result above limit |
| WORTH CO INTERCHANGE 214 WATER SUPPLY IA9855202 | MANLY | 3,850 | — | — | No result above limit |
| WAUKON WATER DEPARTMENT IA0398082 | WAUKON | 3,827 | — | — | No result above limit |
| CARTER LAKE WATER DISTRICT IA7812079 | CARTER LAKE | 3,791 | — | — | No result above limit |
| EMMETSBURG MUNICIPAL WATER DEPARTMENT IA7428021 | EMMETSBURG | 3,733 | — | — | No result above limit |
| WEST BURLINGTON MUNI. WATER SUPPLY IA2985002 | WEST BURLINGTON | 3,728 | 5.3 | — | Exceeds |
| ALBIA MUNICIPAL WATER WORKS IA6803010 | ALBIA | 3,721 | — | — | No result above limit |
| OSAGE MUNICIPAL WATER SUPPLY IA6663001 | OSAGE | 3,637 | — | 4.2 | Exceeds |
| EAGLE GROVE WATER SUPPLY IA9926096 | EAGLE GROVE | 3,601 | — | — | No result above limit |
| WEST CENTRAL RWA - NISH SYSTEM IA1400902 | MANNING | 3,573 | — | — | No result above limit |
| SOUTHWEST REG WATER DISTRICT (RED OAK) IA6950701 | CLARINDA | 3,500 | — | — | No result above limit |
| NEW HAMPTON WATER SUPPLY IA1970051 | NEW HAMPTON | 3,494 | — | — | No result above limit |
| XENIA RWD (WOODWARD) IA2576705 | BOUTON | 3,465 | — | — | No result above limit |
| MILFORD MUNICIPAL UTILITIES IA3050079 | MILFORD | 3,431 | — | — | No result above limit |
| RURAL WATER SYSTEM #1 IA8400722 | HOSPERS | 3,428 | — | — | No result above limit |
| STORY CITY WATER DEPT IA8584000 | STORY CITY | 3,357 | — | — | No result above limit |
| WILLIAMSBURG PUBLIC WATER SUPPLY IA4884023 | WILLIAMSBURG | 3,345 | — | — | No result above limit |
| CHEROKEE RWS - CHEROKEE SUBSYSTEM IA1811001 | CHEROKEE | 3,315 | — | — | No result above limit |
| TIPTON WATER SUPPLY IA1689022 | TIPTON | 3,149 | — | — | No result above limit |
| ROBINS, CITY OF IA5776001 | ROBINS | 3,142 | — | — | No result above limit |
| TAMA WATER SUPPLY IA8670013 | TAMA | 3,130 | — | — | No result above limit |
| MADRID WATER DEPARTMENT IA0848015 | PERRY | 3,090 | — | — | No result above limit |
| GARNER WATER WORKS IA4130075 | GARNER | 3,065 | — | — | No result above limit |
| SOLON WATER DEPT IA5282062 | SOLON | 3,018 | — | — | No result above limit |
| SOUTHWEST REG WATER DISTRICT (CLARINDA) IA7383901 | CLARINDA | 2,942 | — | — | No result above limit |
| WILTON WATER SUPPLY IA7078026 | WILTON | 2,924 | — | — | No result above limit |
| ONAWA MUNICIPAL WATER PLANT IA6739095 | ONAWA | 2,906 | — | — | No result above limit |
| LAKE PANORAMA WATER COMPANY IA3900301 | PANORA | 2,900 | — | — | No result above limit |
| LE CLAIRE UTILITIES DEPT IA8245066 | LECLAIRE | 2,868 | — | — | No result above limit |
| SIBLEY PUBLIC WATER SUPPLY IA7245047 | SIBLEY | 2,860 | — | — | No result above limit |
| FAIRFAX WATER SUPPLY IA5731032 | FAIRFAX | 2,828 | — | — | No result above limit |
| CLARION WATER SUPPLY IA9909031 | CLARION | 2,810 | — | — | No result above limit |
| GRUNDY CENTER WATER SUPPLY IA3833013 | GRUNDY CENTER | 2,796 | — | — | No result above limit |
| BLOOMFIELD MUNI WATER DEPT IA2613019 | BLOOMFIELD | 2,792 | — | — | No result above limit |
| HAWARDEN WATER SUPPLY IA8434040 | HAWARDEN | 2,700 | — | — | No result above limit |
| CENTRAL IA WATER ASSN (MARSHALLTOWN) IA6469071 | NEWTON | 2,700 | — | — | No result above limit |
| MISSOURI VALLEY WATER SUPPLY IA4344088 | MISSOURI VALLEY | 2,678 | — | — | No result above limit |
| ELDORA WATER SUPPLY IA4236005 | ELDORA | 2,664 | — | — | No result above limit |
| KALONA WATER DEPT IA9233012 | KALONA | 2,630 | — | — | No result above limit |
| ROCK RAPIDS MUNICIPAL WATER WORKS IA6065092 | ROCK RAPIDS | 2,611 | — | — | No result above limit |
| SIRWA - CORNING IA0207704 | CRESTON | 2,585 | — | — | No result above limit |
| CENTER POINT WATER SUPPLY IA5718006 | CENTER POINT | 2,579 | — | — | No result above limit |
| HUDSON WATER SUPPLY IA0737062 | HUDSON | 2,546 | — | — | No result above limit |
| WEST UNION WATER SUPPLY IA3383014 | WEST UNION | 2,540 | — | — | No result above limit |
| MITCHELLVILLE WATER SUPPLY IA7751092 | MITCHELLVILLE | 2,515 | — | — | No result above limit |
| POSTVILLE WATER DEPARTMENT IA0375053 | POSTVILLE | 2,513 | — | — | No result above limit |
| WEST BRANCH WATER WORKS IA1694000 | WEST BRANCH | 2,509 | — | — | No result above limit |
| JESUP MUNICIPAL WATER SUPPLY IA1044006 | JESUP | 2,508 | — | — | No result above limit |
| POWESHIEK WATER ASSOCIATION (IAC) IA4868701 | TAMA | 2,490 | — | — | No result above limit |
| BELMOND WATER SUPPLY IA9905003 | BELMOND | 2,463 | — | — | No result above limit |
| MARENGO WATER SUPPLY IA4843033 | MARENGO | 2,435 | — | — | No result above limit |
| W CENTRAL RWA - DENISON SUBSYS IA2424701 | MANNING | 2,428 | — | — | No result above limit |
| OGDEN MUNICIPAL UTILITIES IA0858090 | OGDEN | 2,419 | — | — | No result above limit |
| TOLEDO WATER SUPPLY IA8676027 | TOLEDO | 2,399 | — | — | No result above limit |
| PARK VIEW WATER & SANITARY DISTRICT IA8200855 | ELDRIDGE | 2,389 | — | — | No result above limit |
| CASCADE MUNICIPAL WATER SUPPLY IA3118080 | CASCADE | 2,386 | — | — | No result above limit |
| HULL WATER SUPPLY IA8444063 | HULL | 2,384 | — | — | No result above limit |
| BELLE PLAINE WATER DEPT IA0610099 | BELLE PLAINE | 2,380 | — | — | No result above limit |
| BELLEVUE MUNICIPAL UTILITIES IA4910000 | BELLEVUE | 2,363 | — | — | No result above limit |
| ELY WATER SUPPLY IA5728018 | ELY | 2,328 | — | — | No result above limit |
| COLFAX WATER SUPPLY IA5009056 | COLFAX | 2,305 | — | — | No result above limit |
| LA PORTE CITY UTILITIES IA0743057 | LAPORTE CITY | 2,284 | — | — | No result above limit |
| PEOSTA WATER SUPPLY IA3170001 | PEOSTA | 2,278 | — | — | No result above limit |
| ROCKWELL CITY WATER SUPPLY IA1376098 | ROCKWELL CITY | 2,250 | — | — | No result above limit |
| LISBON WATER SUPPLY IA5748086 | LISBON | 2,233 | — | — | No result above limit |
| ROCK VALLEY RURAL WATER DISTRICT IA8482701 | ROCK VALLEY | 2,230 | — | — | No result above limit |
| GREENFIELD MUNICIPAL UTILITIES IA0140007 | GREENFIELD | 2,227 | — | — | No result above limit |
| LAKE MILLS MUNICIPAL WATER DEPT-SOUTH IA9545044 | LAKE MILLS | 2,158 | — | — | No result above limit |
| OSCEOLA RURAL WATER SYSTEM-SOUTH IA7177701 | MAY CITY | 2,112 | — | — | No result above limit |
| WAPELLO MUNICIPAL WATER WORKS IA5879063 | WAPELLO | 2,096 | — | — | No result above limit |
| SAC CITY MUNICIPAL WATER PLANT IA8150015 | SAC CITY | 2,093 | — | — | No result above limit |
| ALTA MUNICIPAL WATER PLANT IA1108025 | ALTA | 2,087 | — | — | No result above limit |
| NORTHWOOD WATERWORKS IA9855077 | NORTHWOOD | 2,072 | — | — | No result above limit |
| WEST DUBUQUE INDUSTRIAL PARK WATER IA3150001 | DUBUQUE | 2,065 | — | — | No result above limit |
| BRITT WATER WORKS IA4103045 | BRITT | 2,064 | — | — | No result above limit |
| AADC IA3126342 | ASBURY | 2,057 | — | — | No result above limit |
| ATKINS MUNICIPAL WATER WORKS IA0603072 | ATKINS | 2,056 | — | — | No result above limit |
| AUDUBON WATER SUPPLY IA0505077 | AUDUBON | 2,053 | — | — | No result above limit |
| IDA GROVE WATER UTILITY IA4728067 | IDA GROVE | 2,051 | — | — | No result above limit |
| SUMNER WATER SUPPLY IA0970006 | SUMNER | 2,030 | — | — | No result above limit |
| LAMONI MUNICIPAL UTILITIES IA2740050 | LAMONI | 2,029 | — | — | No result above limit |
| EPWORTH WATER SUPPLY IA3133033 | EPWORTH | 2,023 | — | — | No result above limit |
| PARKERSBURG WATER SUPPLY IA1281028 | PARKERSBURG | 2,019 | — | — | No result above limit |
| MONROE WATER SUPPLY IA5054096 | MONROE | 2,007 | — | — | No result above limit |
| SIGOURNEY MUNI WATER WORKS IA5475050 | SIGOURNEY | 2,004 | — | — | No result above limit |
| POWESHIEK WATER ASSOCIATION (CR) IA5715702 | TAMA | 2,000 | — | — | No result above limit |
| GREENFIELD PLAZA BENEFITED WTR DISTRICT IA7700801 | DES MOINES | 2,000 | — | — | No result above limit |
| LAKEWOOD BENEFITED WATER DISTRICT IA9100879 | NORWALK | 1,972 | — | — | No result above limit |
| DENVER WATER SUPPLY IA0915030 | DENVER | 1,919 | — | — | No result above limit |
| NEW LONDON MUNIC WATER DEPT IA4458060 | NEW LONDON | 1,910 | — | — | No result above limit |
| DALLAS CENTER WATER SUPPLY IA2520098 | DALLAS CENTER | 1,901 | — | — | No result above limit |
| POCAHONTAS WATER DEPARTMENT IA7633049 | POCAHONTAS | 1,877 | — | — | No result above limit |
| DURANT WATER SUPPLY IA1636090 | DURANT | 1,871 | — | — | No result above limit |
| LEON WATER SUPPLY IA2742076 | LEON | 1,830 | — | — | No result above limit |
| COLUMBUS JUNCTION WATER SUPPLY IA5815064 | COLUMBUS JUNCTION | 1,830 | — | — | No result above limit |
| GUTTENBERG WATER UTILITY IA2242018 | GUTTENBERG | 1,817 | — | — | No result above limit |
| STUART WATER SUPPLY IA0180001 | STUART | 1,814 | — | — | No result above limit |
| PARK VIEW VILLAGE IA7736301 | ANKENY | 1,800 | — | — | No result above limit |
| FARLEY WATER SUPPLY IA3135018 | FARLEY | 1,766 | — | — | No result above limit |
| LYON-SIOUX RWS-DOON IA6000733 | ROCK RAPIDS | 1,765 | — | — | No result above limit |
| PONDEROSA UTILITIES INC. IA7950300 | MONTEZUMA | 1,750 | — | — | No result above limit |
| CORNING MUNI WATER DEPARTMENT IA0220075 | CORNING | 1,735 | — | — | No result above limit |
| LAKE CITY WATER SUPPLY IA1345043 | LAKE CITY | 1,731 | — | — | No result above limit |
| WEST CENTRAL RWA-BOYER SYSTEM IA1400903 | MANNING | 1,715 | — | — | No result above limit |
| SIRWA #1 (GREENFIELD) IA0140701 | CRESTON | 1,712 | — | — | No result above limit |
| MANSON WATER SUPPLY IA1351027 | MANSON | 1,709 | — | — | No result above limit |
| PRAIRIE CITY WATER WORKS IA5064055 | PRAIRIE CITY | 1,703 | — | — | No result above limit |
| AVOCA WATER WORKS IA7803080 | AVOCA | 1,697 | — | — | No result above limit |
| MEDIAPOLIS WATER SUPPLY IA2948062 | MEDIAPOLIS | 1,688 | — | — | No result above limit |
| MOVILLE WATER SUPPLY IA9753022 | MOVILLE | 1,687 | — | — | No result above limit |
| MOUNT AYR WATER TREATMENT PLANT IA8055014 | MOUNT AYR | 1,683 | — | — | No result above limit |
| REMSEN MUNICIPAL UTILITIES IA7568079 | REMSEN | 1,678 | — | — | No result above limit |
| PLEASANTVILLE WATER WORKS IA6377046 | PLEASANTVILLE | 1,676 | — | — | No result above limit |
| REINBECK WATER SUPPLY IA3870073 | GLADBROOK | 1,662 | — | — | No result above limit |
| GRANGER MUNI WATER SUPPLY IA2537001 | GRANGER | 1,654 | — | — | No result above limit |
| XENIA RWD (MADRID) IA0848701 | BOUTON | 1,635 | — | — | No result above limit |
| GOULD HEIGHTS WATER SERVICE COMPANY IA7700853 | ANKENY | 1,635 | — | — | No result above limit |
| WOODBINE WATER DEPARTMENT IA4388034 | WOODBINE | 1,625 | — | — | No result above limit |
| CORYDON WATER SUPPLY IA9334078 | CORYDON | 1,610 | — | — | No result above limit |
| HARTLEY MUNICIPAL WATER DEPARTMENT IA7128036 | HARTLEY | 1,605 | — | — | No result above limit |
| GREENFIELD PLAZA WATER SYSTEM IA7700840 | ANKENY | 1,600 | — | — | No result above limit |
| ACKLEY MUNICIPAL WATER WORKS IA4201001 | MARSHALLTOWN | 1,599 | — | — | No result above limit |
| GUTHRIE CENTER MUNI WATER WORK IA3937016 | GUTHRIE CENTER | 1,593 | — | — | No result above limit |
| TRAER MUNICIPAL WATER PLANT IA8681030 | TRAER | 1,583 | — | — | No result above limit |
| AKRON, CITY OF IA7509008 | AKRON | 1,558 | — | — | No result above limit |
| URBAN BLUFFS - NORTH IA7820701 | AVOCA | 1,558 | — | — | No result above limit |
| WALCOTT WATERWORKS IA8285058 | WALCOTT | 1,556 | — | — | No result above limit |
| URBANA WATER SUPPLY IA0680041 | URBANA | 1,554 | — | — | No result above limit |
| NASHUA WATER SUPPLY IA1967041 | NASHUA | 1,551 | — | — | No result above limit |
| SLATER MUNI WATER DEPT IA8580057 | SLATER | 1,548 | — | — | No result above limit |
| MONTEZUMA MUNI WATER SUPPLY IA7950097 | MONTEZUMA | 1,545 | — | — | No result above limit |
| BEDFORD WATER WORKS IA8709096 | BEDFORD | 1,533 | — | — | No result above limit |
| LYON-SIOUX RWS-BIG SIOUX IA6000755 | ROCK RAPIDS | 1,530 | — | — | No result above limit |
| WELLMAN MUNICIPAL WATERWORKS IA9276096 | MUSCATINE | 1,524 | — | — | No result above limit |
| OAKLAND MUNIC WATER UTILITY IA7856084 | OAKLAND | 1,524 | — | — | No result above limit |
| BROOKLYN WATER DEPARTMENT IA7909047 | BROOKLYN | 1,505 | — | — | No result above limit |
| HOLSTEIN, CITY OF IA4721054 | HOLSTEIN | 1,501 | — | — | No result above limit |
| MONONA MUNICIPAL WATER DEPT IA2264095 | MONONA | 1,471 | — | — | No result above limit |
| LENOX WATER SUPPLY IA8748075 | LENOX | 1,470 | — | — | No result above limit |
| RATHBUN REGIONAL WATER (MOUNT PLEASANT) IA4453901 | CENTERVILLE | 1,465 | — | — | No result above limit |
| IOWA-AMERICAN WATER CO (BLUE GRASS) IA8215021 | DAVENPORT | 1,452 | — | — | No result above limit |
| CHEROKEE RWS- MILL CREEK SUBSYSTEM IA1800900 | CHEROKEE | 1,451 | — | — | No result above limit |
| EARLHAM MUNICIPAL WATERWORKS IA6115097 | EARLHAM | 1,446 | — | — | No result above limit |
| CLARINDA TREATMENT COMPLEX IA7329501 | CLARINDA | 1,439 | — | — | No result above limit |
| STATE CENTER MUNI WATER DEPT IA6484093 | STATE CENTER | 1,411 | — | — | No result above limit |
| PALO WATER SUPPLY IA5765101 | PALO | 1,407 | — | — | No result above limit |
| BLACK HAWK COUNTY RURAL WATER IA0789067 | WATERLOO | 1,400 | — | — | No result above limit |
| LOGAN WATER SUPPLY IA4337092 | LOGAN | 1,397 | — | — | No result above limit |
| KINGSLEY WATER SUPPLY IA7537032 | KINGSLEY | 1,396 | — | — | No result above limit |
| ROLAND WATER SUPPLY IA8570001 | ROLAND | 1,394 | — | — | No result above limit |
| MANNING WATER SUPPLY IA1457025 | MANNING | 1,392 | — | — | No result above limit |
| SANBORN WATER SUPPLY IA7165025 | SANBORN | 1,392 | — | — | No result above limit |
| SIRWA #3 (LEON) IA2718755 | CRESTON | 1,373 | — | — | No result above limit |
| NORA SPRINGS WATER SUPPLY IA3423069 | MANLY | 1,369 | — | — | No result above limit |
| MAHASKA RURAL WATER (NEW SHARON) IA6264063 | OSKALOOSA | 1,368 | — | — | No result above limit |
| LONE TREE MUNI WATER SYSTEM IA5240095 | MUSCATINE | 1,357 | — | — | No result above limit |
| WOODWARD WATER SUPPLY IA2576036 | WOODWARD | 1,346 | — | — | No result above limit |
| DIKE WATER SUPPLY IA3815042 | DIKE | 1,306 | — | — | No result above limit |
| LAURENS WATER SUPPLY IA7614063 | LAURENS | 1,301 | — | — | No result above limit |
| LAKE RIDGE, INCORPORATED IA5225315 | GRINNELL | 1,300 | — | — | No result above limit |
| DYSART WATER SUPPLY IA8627095 | DYSART | 1,281 | — | — | No result above limit |
| SHELL ROCK MUNI WATER SUPP IA1286042 | SHELL ROCK | 1,269 | — | — | No result above limit |
| MANLY WATER SUPPLY IA9845024 | MANLY | 1,266 | — | — | No result above limit |
| CENTRAL CITY WATER SUPPLY IA5720010 | CENTRAL CITY | 1,264 | — | — | No result above limit |
| FAYETTE WATER SUPPLY IA3342041 | FAYETTE | 1,256 | — | — | No result above limit |
| CLARKSVILLE WATER SUPPLY IA1228038 | MARSHALLTOWN | 1,254 | — | — | No result above limit |
| ALTON MUNICIPAL WATER DEPARTMENT IA8403029 | ALTON | 1,248 | — | — | No result above limit |
| AMANA SOCIETY WATER SYSTEM NORTH IA4848001 | AMANA | 1,248 | — | — | No result above limit |
| COON RAPIDS MUNICIPAL UTILITIES IA1427070 | COON RAPIDS | 1,242 | — | — | No result above limit |
| ANAMOSA STATE PENITENTIARY IA5300947 | ANAMOSA | 1,230 | — | — | No result above limit |
| ELKADER MUNI WATER DEPT IA2223011 | ELKADER | 1,219 | — | — | No result above limit |
| JEWELL WATER SUPPLY IA4027010 | JEWELL | 1,216 | — | — | No result above limit |
| MELCHER-DALLAS WATER SUPPLY IA6300099 | MELCHER DALLAS | 1,213 | — | — | No result above limit |
| GILBERT WATER SUPPLY IA8531083 | GILBERT | 1,211 | — | — | No result above limit |
| TRIPOLI WATER SUPPLY IA0975032 | TRIPOLI | 1,191 | — | — | No result above limit |
| LYON-SIOUX RWS-ROCK RAPIDS IA6000800 | ROCK RAPIDS | 1,187 | — | — | No result above limit |
| XENIA RWD (AMES) IA8503704 | BOUTON | 1,183 | — | — | No result above limit |
| OSCEOLA RURAL WATER SYSTEM-NORTH OKOBOJI IA3090701 | MAY CITY | 1,177 | — | — | No result above limit |
| BUFFALO WATER SUPPLY IA8218050 | BUFFALO | 1,176 | — | — | No result above limit |
| XENIA RWD (LAKE MILLS) IA9545701 | BOUTON | 1,175 | — | — | No result above limit |
| CAMP DODGE WATER SUPPLY IA7700901 | JOHNSTON | 1,169 | — | — | No result above limit |
| LAKE PARK MUNICIPAL UTILITIES IA3045046 | LAKE PARK | 1,167 | — | — | No result above limit |
| SPRINGVILLE WATER SUPPLY IA5782087 | SPRINGVILLE | 1,164 | — | — | No result above limit |
| ST ANSGAR WATER SUPPLY IA6673016 | ST. ANSGAR | 1,161 | — | — | No result above limit |
| STRAWBERRY POINT WATER SUPPLY IA2279003 | STRAWBERRY POINT | 1,155 | — | — | No result above limit |
| POLK COUNTY RURAL WATER DIST #1 IA7727701 | DES MOINES | 1,152 | — | — | No result above limit |
| PANORA WATER WORKS IA3971026 | PANORA | 1,142 | — | — | No result above limit |
| GLIDDEN WATER SUPPLY IA1438091 | GLIDDEN | 1,140 | — | — | No result above limit |
| LAKE VIEW WATER SUPPLY IA8127048 | LAKE VIEW | 1,133 | — | — | No result above limit |
| VILLISCA MUNICIPAL WATER DEPT IA6985051 | VILLISCA | 1,132 | — | — | No result above limit |
| SHEFFIELD WATER SUPPLY IA3570037 | SHEFFIELD | 1,130 | — | — | No result above limit |
| GLENWOOD RESOURCE CENTER IA6525901 | GLENWOOD | 1,130 | — | — | No result above limit |
| APLINGTON WATER SUPPLY IA1207061 | APLINGTON | 1,126 | — | — | No result above limit |
| CALMAR WATER SUPPLY IA9615064 | CALMAR | 1,125 | — | — | No result above limit |
| MAPLETON MUNICIPAL WATER PLANT IA6727028 | MAPLETON | 1,124 | — | — | No result above limit |
| ARNOLDS PARK WATER DEPARTMENT IA3003067 | ARNOLDS PARK | 1,113 | — | — | No result above limit |
| FAIRBANK WATER SUPPLY IA1025031 | FAIRBANK | 1,111 | — | — | No result above limit |
| W CENTRAL RWA- AUDUBON SUBSYS IA1457701 | MANNING | 1,100 | — | — | No result above limit |
| CONRAD WATER SUPPLY IA3809067 | CONRAD | 1,098 | — | — | No result above limit |
| THE AMANAS (MIDDLE/EAST/MAIN/GOLF CLUB) IA4848901 | AMANA | 1,091 | — | — | No result above limit |
| GEORGE WATER SUPPLY IA6028081 | GEORGE | 1,082 | — | — | No result above limit |
| MARCUS WATER SUPPLY IA1838032 | MARCUS | 1,079 | — | — | No result above limit |
| SIDNEY WATER SUPPLY IA3661048 | SIDNEY | 1,077 | — | — | No result above limit |
| VAN METER MUNICIPAL WATER WORK IA2570046 | VAN METER | 1,074 | — | — | No result above limit |
| ROCKWELL WATER SUPPLY IA1773097 | ROCKWELL | 1,071 | — | — | No result above limit |
| ELK RUN HEIGHTS WATER SUPPLY IA0721014 | ELK RUN HEIGHTS | 1,069 | — | — | No result above limit |
| NORTH ENGLISH WATER DEPARTMENT IA4858070 | NORTH ENGLISH | 1,065 | — | — | No result above limit |
| RIVERSIDE WATER SUPPLY IA9260090 | RIVERSIDE | 1,060 | — | — | No result above limit |
| TREYNOR WATER DEPARTMENT IA7866031 | UNDERWOOD | 1,049 | — | — | No result above limit |
| MALVERN WATER SUPPLY IA6545020 | MALVERN | 1,046 | — | — | No result above limit |
| SLOAN WATER SUPPLY IA9780059 | SLOAN | 1,042 | — | — | No result above limit |
| CLARENCE WATER SUPPLY IA1630028 | MECHANICSVILLE | 1,039 | — | — | No result above limit |
| DUNLAP WATER SUPPLY IA4316087 | DUNLAP | 1,035 | — | — | No result above limit |
| WINFIELD MUNI WATER DEPT IA4493028 | WINFIELD | 1,035 | — | — | No result above limit |
| JANESVILLE WATER SUPPLY IA0932001 | JANESVILLE | 1,034 | — | — | No result above limit |
| AUTUMN RIDGE ESTATES MHP IA7709601 | GRINNELL | 1,032 | — | — | No result above limit |
| EDDYVILLE MUNI WATER DEPT IA9049001 | EDDYVILLE | 1,029 | — | — | No result above limit |
| MECHANICSVILLE WATER DEPT IA1667076 | MECHANICSVILLE | 1,020 | — | — | No result above limit |
| TABOR WATER SUPPLY IA3667012 | TABOR | 1,014 | — | — | No result above limit |
| GRISWOLD WATER SUPPLY IA1528010 | GRISWOLD | 1,008 | — | — | No result above limit |
| EAGLE RIDGE IA5751602 | MARION | 1,005 | — | — | No result above limit |
| BAXTER WATER SUPPLY IA5003091 | BAXTER | 1,002 | — | — | No result above limit |
| COUNTRY TERRACE MOBILE HOME PARK IA0700675 | CEDAR FALLS | 1,000 | — | — | No result above limit |
| PAULLINA MUNICIPAL WATER SUPPLY IA7139032 | PAULLINA | 996 | — | — | No result above limit |
| ODEBOLT WATER SUPPLY IA8144087 | ODEBOLT | 994 | — | — | No result above limit |
| YES FIVE SEASONS CEDAR LLC IA5715602 | NEWTON | 994 | — | — | No result above limit |
| GREENE MUNI WATER SUPPLY IA1253006 | GREENE | 994 | — | — | No result above limit |
| LAWTON WATER SUPPLY IA9743065 | LAWTON | 988 | — | — | No result above limit |
| FREDERICKSBURG WATER SUPPLY IA1940068 | FREDERICKSBURG | 987 | — | — | No result above limit |
| LANSING WATER SUPPLY IA0345054 | LANSING | 983 | — | — | No result above limit |
| ANITA MUNICIPAL UTILITIES IA1503053 | ANITA | 972 | — | — | No result above limit |
| AURELIA WATER SUPPLY IA1803079 | AURELIA | 968 | — | — | No result above limit |
| ALLISON WATER SUPPLY IA1203026 | ALLISON | 966 | — | — | No result above limit |
| WAYLAND WATER SUPPLY IA4490091 | WAYLAND | 966 | — | — | No result above limit |
| KEOSAUQUA WATER WORKS IA8938026 | KEOSAUQUA | 961 | — | — | No result above limit |
| SHELLSBURG WATER SUPPLY IA0670043 | SHELLSBURG | 961 | — | — | No result above limit |
| DE SOTO WATER SUPPLY IA2529035 | ADEL | 960 | — | — | No result above limit |
| GOWRIE MUNI UTILITIES WATER DEPT IA9436095 | GOWRIE | 954 | — | — | No result above limit |
| PRESTON MUNI WATER SUPPLY IA4965057 | PRESTON | 949 | — | — | No result above limit |
| EDGEWOOD WATER SUPPLY IA2220002 | EDGEWOOD | 939 | — | — | No result above limit |
| HINTON WATER SUPPLY IA7528051 | HINTON | 935 | — | — | No result above limit |
| ALPINE PARK IA3126605 | EPWORTH | 932 | — | — | No result above limit |
| SIOUX RAPIDS WATER DEPARTMENT IA1175056 | SIOUX RAPIDS | 932 | — | — | No result above limit |
| INWOOD WATER SUPPLY IA6040076 | INWOOD | 928 | — | — | No result above limit |
| ELDON WATER SUPPLY IA9053004 | WASHINGTON | 927 | — | — | No result above limit |
| LARCHWOOD WATER SUPPLY IA6050059 | LARCHWOOD | 926 | — | — | No result above limit |
| DANVILLE WATER SUPPLY IA2915000 | MUSCATINE | 923 | — | — | No result above limit |
| PRINCETON WATER SUPPLY IA8273061 | PRINCETON | 923 | — | — | No result above limit |
| WEST POINT MUNI WATER SYSTEM IA5691012 | WEST POINT | 921 | — | — | No result above limit |
| ARMSTRONG WATER SUPPLY IA3203066 | ARMSTRONG | 918 | — | — | No result above limit |
| AFTON WATER SYSTEM IA8803005 | AFTON | 917 | — | — | No result above limit |
| MODERN MANOR, INC IA5225601 | GRINNELL | 915 | — | — | No result above limit |
| LE GRAND WATER WORKS IA6457070 | LEGRAND | 910 | — | — | No result above limit |
| NEOLA LIGHT & WATER IA7853043 | ADAIR | 906 | — | — | No result above limit |
| NEWELL WATER TREATMENT PLANT IA1155049 | NEWELL | 906 | — | — | No result above limit |
| PRIMGHAR MUNICIPAL WATER SUPPLY IA7155059 | PRIMGHAR | 902 | — | — | No result above limit |
| SULLY MUNI WATER WORKS IA5076005 | SULLY | 900 | — | — | No result above limit |
| MELCHER WATER SUPPLY IA6352064 | MELCHER-DALLAS | 900 | — | — | No result above limit |
| KEOTA WATER DEPT IA5440028 | MUSCATINE | 897 | — | — | No result above limit |
| GRAETTINGER MUNICIPAL WATER SUPPLY IA7445096 | GRAETTINGER | 897 | — | — | No result above limit |
| HAMBURG WATER SUPPLY IA3621023 | HAMBURG | 890 | — | — | No result above limit |
| DONNELLSON MUNI WATER WORKS IA5620046 | DONNELLSON | 885 | — | — | No result above limit |
| ELKHART WATER SUPPLY IA7730012 | ANKENY | 882 | — | — | No result above limit |
| NEWHALL WATER SUPPLY IA0653050 | VAN HORNE | 881 | — | — | No result above limit |
| VICTOR MUNICIPAL WATER DEPT IA4875050 | BELLE PLAINE | 875 | — | — | No result above limit |
| HILLS WATER SUPPLY IA5221001 | HILLS | 863 | — | — | No result above limit |
| HUBBARD WATER SUPPLY IA4254061 | HUBBARD | 860 | — | — | No result above limit |
| MAXWELL WATER DEPARTMENT IA8557058 | MAXWELL | 859 | — | — | No result above limit |
| BUFFALO CENTER MUNI WATER DEPT IA9506052 | WHITTEMORE | 857 | — | — | No result above limit |
| COLO WATER SUPPLY IA8520061 | COLO | 853 | — | — | No result above limit |
| MARION VILLAGE IA5751601 | NEWTON | 850 | — | — | No result above limit |
| READLYN WATER SUPPLY IA0965073 | READLYN | 845 | — | — | No result above limit |
| DUNKERTON MUNI WATER SUPPLY IA0717084 | DUNKERTON | 842 | — | — | No result above limit |
| IOWA PREMIUM LLC IA8670101 | TAMA | 841 | — | — | No result above limit |
| WINTHROP WATER SUPPLY IA1093031 | WINTHROP | 840 | — | — | No result above limit |
| LONG GROVE MUNI WATER SUPPLY IA8251096 | LONG GROVE | 838 | — | — | No result above limit |
| CAMBRIDGE WATER SUPPLY IA8509069 | CAMBRIDGE | 832 | — | — | No result above limit |
| MIDWEST COUNTRY ESTATES IA2573301 | NEWTON | 820 | — | — | No result above limit |
| RICEVILLE WATER SUPPLY IA4558001 | RICEVILLE | 816 | — | — | No result above limit |
| SWISHER W.S. IA5285011 | SWISHER | 813 | — | — | No result above limit |
| ADAIR MUNICIPAL WATER SUPPLY IA0105002 | ADAIR | 809 | — | — | No result above limit |
| LOWDEN WATER SUPPLY IA1656001 | LOWDEN | 807 | — | — | No result above limit |
| SCHLESWIG MUNIC WATER SUPPLY IA2446029 | SCHLESWIG | 803 | — | — | No result above limit |
| OSSIAN WATER SUPPLY IA9677007 | OSSIAN | 802 | — | — | No result above limit |
| GLADBROOK WATER SUPPLY IA8640089 | GLADBROOK | 799 | — | — | No result above limit |
| GILBERTVILLE WATER WORKS IA0733084 | GILBERTVILLE | 796 | — | — | No result above limit |
| MILO PUBLIC WATER SUPPLY IA9155083 | MILO | 788 | — | — | No result above limit |
| RAYMOND WATER SYSTEM IA0768001 | RAYMOND | 788 | — | — | No result above limit |
| WALL LAKE WATER SUPPLY IA8166061 | WALL LAKE | 780 | — | — | No result above limit |
| VAN HORNE WATER WORKS IA0685045 | VAN HORNE | 779 | — | — | No result above limit |
| RUTHVEN WATER SUPPLY IA7465010 | RUTHVEN | 779 | — | — | No result above limit |
| CRESCENT WATER SUPPLY IA7822086 | MARSHALLTOWN | 778 | — | — | No result above limit |
| OKOBOJI WATER SUPPLY IA3060091 | OKOBOJI | 776 | — | — | No result above limit |
| FREEPORT WATER DISTRICT IA9630001 | DECORAH | 775 | — | — | No result above limit |
| WHEATLAND CITY WATER SUPPLY IA2394017 | WHEATLAND | 775 | — | — | No result above limit |
| WEST BEND WATER DEPARTMENT IA7470099 | WEST BEND | 772 | — | — | No result above limit |
| DAYTON MUNICIPAL WATER SUPPLY IA9425011 | FORT DODGE | 772 | — | — | No result above limit |
| DAKOTA CITY WATER SUPPLY IA4622095 | DAKOTA CITY | 769 | — | — | No result above limit |
| WALNUT MUNICIPAL UTILITIES IA7872062 | WALNUT | 768 | — | — | No result above limit |
| CARSON WATER SUPPLY IA7809078 | CARSON | 766 | — | — | No result above limit |
| CORRECTIONVILLE WATER SUPPLY IA9721076 | CORRECTIONVILLE | 766 | — | — | No result above limit |
| MELBOURNE WATER SUPPLY IA6471063 | MELBOURNE | 765 | — | — | No result above limit |
| EXIRA WATER DEPT IA0520030 | EXIRA | 764 | — | — | No result above limit |
| ALDEN WATER SUPPLY IA4213013 | ALDEN | 763 | — | — | No result above limit |
| GARNAVILLO WATER SUPPLY IA2234074 | GARNAVILLO | 763 | — | — | No result above limit |
| ROCKFORD WATER SUPPLY IA3430091 | ROCKFORD | 762 | — | — | No result above limit |
| WESTERN HILLS (MOBILE) ESTATES IA5208600 | GRINNELL | 760 | — | — | No result above limit |
| HARTFORD WATER WORKS IA9128035 | HARTFORD | 759 | — | — | No result above limit |
| MANILLA MUNI SERVICE DEPT IA2436023 | MANILLA | 758 | — | — | No result above limit |
| MORNING SUN WATER DEPARTMENT IA5857011 | MORNING SUN | 752 | — | — | No result above limit |
| MCGREGOR WATER DEPT IA2258012 | MCGREGOR | 747 | — | — | No result above limit |
| REDFIELD WATER WORKS IA2564074 | REDFIELD | 746 | — | — | No result above limit |
| MAHASKA RURAL WATER (FREMONT) IA6234070 | OSKALOOSA | 743 | — | — | No result above limit |
| BLAIRSTOWN WATER SUPPLY IA0607013 | BLAIRSTOWN | 738 | — | — | No result above limit |
| MONTROSE WATER WORKS IA5650003 | MONTROSE | 738 | — | — | No result above limit |
| SCHALLER WATER SUPPLY IA8156028 | SCHALLER | 729 | — | — | No result above limit |
| HEDRICK WATER SUPPLY IA5432042 | HEDRICK | 728 | — | — | No result above limit |
| WHITING WATER SUPPLY IA6769018 | WHITING | 727 | — | — | No result above limit |
| SHELBY WATER SUPPLY IA8369038 | SHELBY | 727 | — | — | No result above limit |
| GRAND JCT MUNICIPAL WATER DEPT IA3730098 | GRAND JUNCTION | 725 | — | — | No result above limit |
| EARLVILLE MUNI WATER SUPPLY IA2825099 | EARLVILLE | 724 | — | — | No result above limit |
| ESSEX WATER SUPPLY IA7349023 | ESSEX | 722 | — | — | No result above limit |
| OXFORD WATER SUPPLY IA5260017 | OXFORD | 722 | — | — | No result above limit |
| WELLSBURG WATER SUPPLY IA3890097 | WELLSBURG | 721 | — | — | No result above limit |
| HOSPERS MUNICIPAL WATER DEPT IA8439058 | MARSHALLTOWN | 718 | — | — | No result above limit |
| MERRILL MUNICIPAL WATER SUPPLY IA7548072 | MERRILL | 717 | — | — | No result above limit |
| VENTURA WATER WORKS IA1785032 | VENTURA | 716 | — | — | No result above limit |
| HAZLETON WATER SUPPLY IA1031044 | JESUP | 713 | — | — | No result above limit |
| TIMBERLINE ESTATES, LTD. IA2900626 | WEST BURLINGTON | 712 | — | — | No result above limit |
| BANCROFT WATER SUPPLY IA5507085 | BANCROFT | 711 | — | — | No result above limit |
| YES REGENCY MANOR LLC IA7727602 | NEWTON | 710 | — | — | No result above limit |
| STRATFORD MUNI WATER DEPT IA4051002 | STRATFORD | 707 | — | — | No result above limit |
| BOYDEN MUNICIPAL WATER SUPPLY IA8409037 | BOYDEN | 701 | — | — | No result above limit |
| COGGON WATER DEPARTMENT IA5722053 | COGGON | 701 | — | — | No result above limit |
| LAKESIDE WATER SUPPLY IA1145047 | LAKESIDE | 700 | — | — | No result above limit |
| WOODWARD RESOURCE CENTER IA0800923 | WOODWARD | 700 | — | — | No result above limit |
| BATTLE CREEK WATER SUPPLY IA4709090 | BATTLE CREEK | 700 | — | — | No result above limit |
| SAINT CHARLES WATER SUPPLY IA6161031 | SAINT CHARLES | 694 | — | — | No result above limit |
| DEXTER WATER SUPPLY IA2533038 | DEXTER | 693 | — | — | No result above limit |
| WALKER WATER WORKS IA5792059 | WALKER | 688 | — | — | No result above limit |
| UNDERWOOD WATER SUPPLY IA7869037 | UNDERWOOD | 688 | — | — | No result above limit |
| ELGIN MUNICIPAL WATER SUPPLY IA3338010 | ELGIN | 685 | — | — | No result above limit |
| MURRAY WATER WORKS IA2032023 | MURRAY | 684 | — | — | No result above limit |
| ALBERT CITY MUNI WATER SUPPLY IA1103009 | STORM LAKE | 677 | — | — | No result above limit |
| ALBURNETT WATER SUPPLY IA5704012 | ALBURNETT | 675 | — | — | No result above limit |
| POMEROY WATER SUPPLY IA1363051 | POMEROY | 671 | — | — | No result above limit |
| FONTANELLE WATER WORKS IA0135046 | FONTANELLE | 670 | — | — | No result above limit |
| YES WESTERN VILLAGE LLC IA7785601 | NEWTON | 670 | — | — | No result above limit |
| SAC & FOX COMMUNITY WATER SUPPLY IA8600914 | TAMA | 669 | — | — | No result above limit |
| KANAWHA WATER SUPPLY IA4150014 | KANAWHA | 658 | — | — | No result above limit |
| RIVERDALE PUBLIC WATER SUPPLY IA8278089 | RIVERDALE | 653 | — | — | No result above limit |
| OLIN WATER SUPPLY IA5355094 | WYOMING | 651 | — | — | No result above limit |
| BENTON COMMERCE VILLAGE IA0680201 | URBANA | 650 | — | — | No result above limit |
| ALTO MOBILE HOME PARK IA7800600 | COUNCIL BLUFFS | 650 | — | — | No result above limit |
| RURAL WATER SYSTEM #1 (PLANT 1) IA8400711 | HOSPERS | 650 | — | — | No result above limit |
| SOUTHRIDGE ESTATE IA7727603 | NEWTON | 648 | — | — | No result above limit |
| WHAT CHEER WATER SUPPLY IA5493016 | SIGOURNEY | 646 | — | — | No result above limit |
| MORAVIA PUBLIC WATER SUPPLY IA0467008 | MORAVIA | 637 | — | — | No result above limit |
| STANWOOD WATER SUPPLY IA1681092 | STANWOOD | 637 | — | — | No result above limit |
| SEYMOUR MUNICIPAL UTILITY WATER DEPT IA9368035 | SEYMOUR | 637 | — | — | No result above limit |
| FONDA WATER SUPPLY IA7603045 | FONDA | 636 | — | — | No result above limit |
| DUMONT WATER SUPPLY IA1240081 | MARSHALLTOWN | 635 | — | — | No result above limit |
| GOLDFIELD WATER SUPPLY IA9937092 | GOLDFIELD | 634 | — | — | No result above limit |
| ELK HORN MUNI WATER WORKS IA8325013 | ELK HORN | 631 | — | — | No result above limit |
| SUTHERLAND WATER SUPPLY IA7177007 | SUTHERLAND | 629 | — | — | No result above limit |
| HOPKINTON MUNICIPAL UTILITIES IA2835056 | HOPKINTON | 622 | — | — | No result above limit |
| AGENCY WATER WORKS IA9003006 | AGENCY | 620 | — | — | No result above limit |
| DOON WATER SUPPLY IA6015047 | DOON | 619 | — | — | No result above limit |
| KELLOGG WATER SUPPLY IA5038017 | KELLOGG | 617 | — | — | No result above limit |
| GRAND MOUND WATER SUPPLY IA2341099 | GRAND MOUND | 615 | — | — | No result above limit |
| ORLEANS WATER SUPPLY IA3065009 | SPIRIT LAKE | 608 | — | — | No result above limit |
| MOULTON WATER DEPARTMENT IA0472012 | MOULTON | 607 | — | — | No result above limit |
| LYON-SIOUX RWS-BOYDEN IA6000744 | ROCK RAPIDS | 605 | — | — | No result above limit |
| FARMINGTON WATER SUPPLY IA8930038 | FARMINGTON | 601 | — | — | No result above limit |
| LAKE CANYADA MOBILE HOME COURT IA8200685 | DAVENPORT | 600 | — | — | No result above limit |
| CEDAR TERRACE MHC IA5700600 | NEWTON | 600 | — | — | No result above limit |
| BRIGHTON MUNICIPAL WATER SUPPLY IA9209043 | BRIGHTON | 600 | — | — | No result above limit |
| KEYSTONE WATER SUPPLY IA0640030 | KEYSTONE | 599 | — | — | No result above limit |
| MINDEN WATER SUPPLY IA7849086 | NEOLA | 598 | — | — | No result above limit |
| IRETON WATER SUPPLY IA8447098 | IRETON | 590 | — | — | No result above limit |
| EARLY MUNICIPAL WATER SUPPLY IA8114000 | EARLY | 587 | — | — | No result above limit |
| CLERMONT WATER SUPPLY IA3317047 | CLERMONT | 586 | — | — | No result above limit |
| SWEA CITY WATER SUPPLY IA5584009 | SWEA CITY | 584 | — | — | No result above limit |
| GILMAN WATER SUPPLY IA6436087 | NEWTON | 582 | — | — | No result above limit |
| WAPELLO RURAL WATER-SOUTH IA9000701 | OTTUMWA | 578 | — | — | No result above limit |
| EVERLY WATER SUPPLY IA2115029 | EVERLY | 575 | — | — | No result above limit |
| QUASQUETON MUNICIPAL WATER SYSTEM IA1074001 | QUASQUETON | 574 | — | — | No result above limit |
| NEW HARTFORD WATER SUPPLY IA1271058 | MARSHALLTOWN | 570 | — | — | No result above limit |
| RADCLIFFE MUNICIPAL WATER IA4283067 | RADCLIFFE | 561 | — | — | No result above limit |
| BADGER WATER SUPPLY IA9405082 | BADGER | 561 | — | — | No result above limit |
| VAL VISTA ESTATES IA7727607 | DES MOINES | 553 | — | — | No result above limit |
| DENMARK WATER COMPANY IA5617029 | DENMARK | 550 | — | — | No result above limit |
| ANTHON MUNICIPAL WATER SYSTEM IA9704060 | ANTHON | 545 | — | — | No result above limit |
| RICHLAND WATER SUPPLY IA5470083 | BRIGHTON | 542 | — | — | No result above limit |
| DELMAR WATER SUPPLY IA2328024 | MAQUOKETA | 542 | — | — | No result above limit |
| ZEARING WATER DEPARTMENT IA8590041 | ZEARING | 528 | — | — | No result above limit |
| SUNSET VILLAGE IA6469601 | NEWTON | 528 | — | — | No result above limit |
| DOWS WATER SUPPLY IA9921050 | DOWS | 526 | — | — | No result above limit |
| ARCADIA WATER SUPPLY IA1403062 | ARCADIA | 525 | — | — | No result above limit |
| TRURO WATERWORKS IA6167036 | TRURO | 525 | — | — | No result above limit |
| WYOMING WATER SYSTEM IA5396039 | WYOMING | 523 | — | — | No result above limit |
| WHITTEMORE MUNI WATER SUPPLY IA5595020 | WHITTEMORE | 522 | — | — | No result above limit |
| CHARTER OAK WATER SUPPLY IA2417018 | CHARTER OAK | 522 | — | — | No result above limit |
| RIPLEYS MHC IA LLC IA7000600 | LECLAIRE | 520 | — | — | No result above limit |
| ELLSWORTH PUBLIC WATER SUPPLY IA4009016 | ELLSWORTH | 514 | — | — | No result above limit |
| SCRANTON WATER SYSTEM IA3759031 | SCRANTON | 511 | — | — | No result above limit |
| TITONKA WATER SUPPLY IA5588026 | TITONKA | 511 | — | — | No result above limit |
| AINSWORTH WATER WORKS IA9203007 | AINSWORTH | 511 | — | — | No result above limit |
| ROLFE WATER SUPPLY IA7639002 | ROLFE | 509 | — | — | No result above limit |
| PACIFIC JUNCTION WATER SUPPLY IA6562022 | PACIFIC JUNCTION | 507 | — | — | No result above limit |
| SABULA WATER SUPPLY IA4975014 | SABULA | 506 | — | — | No result above limit |
| COLLINS WATER SUPPLY IA8515060 | COLLINS | 505 | — | — | No result above limit |
| ELMA WATER SUPPLY IA4525017 | ELMA | 505 | — | — | No result above limit |
| BEACON WATER SUPPLY IA6203093 | OSKALOOSA | 504 | — | — | No result above limit |
| BREDA WATER SUPPLY IA1409041 | BREDA | 502 | — | — | No result above limit |
| MALMORE ACRES WATER SERVICE IA7820602 | COUNCIL BLUFFS | 500 | — | — | No result above limit |
| CLAY REGIONAL WATER - SUPERIOR SUBSYSTEM IA3218701 | SPENCER | 500 | — | — | No result above limit |
| STARLIGHT MOBILE HOME PARK IA5200600 | IOWA CITY | 500 | — | — | No result above limit |
| MOUNT PLEASANT TREATMENT CENTER IA4400920 | MOUNT PLEASANT | 500 | — | — | No result above limit |
| SOUTHERN RURAL WATER ASSOC IA8000301 | ELLSTON | 500 | — | — | No result above limit |
| BERWICK WATER DISTRICT IA7714707 | BERWICK | 500 | — | — | No result above limit |
| THOMPSON WATER WORKS IA9585017 | THOMPSON | 499 | — | — | No result above limit |
| NEW VIRGINIA WATER SUPPLY IA9159067 | NEWTON | 498 | — | — | No result above limit |
| FARRAGUT WATER SUPPLY IA3615040 | FARRAGUT | 490 | — | — | No result above limit |
| IRUA - PERSHING UTILITIES IA6300800 | NEWTON | 488 | — | — | No result above limit |
| GILMORE CITY WATERWORKS IA7607088 | GILMORE CITY | 487 | — | — | No result above limit |
| UNIVERSITY PARK WATER SUPPLY IA6290040 | OSKALOOSA | 487 | — | — | No result above limit |
| GARWIN WATER SUPPLY IA8637079 | GARWIN | 481 | — | — | No result above limit |
| RUSSELL WATER SUPPLY IA5939009 | RUSSELL | 477 | — | — | No result above limit |
| LATIMER WATER SUPPLY IA3554061 | HAMPTON | 477 | — | — | No result above limit |
| MAYNARD WATER SUPPLY IA3350059 | MAYNARD | 476 | — | — | No result above limit |
| LIME SPRINGS WATER SUPPLY IA4535081 | RICEVILLE | 473 | — | — | No result above limit |
| LOVILIA MUNICIPAL WATER DEPARTMENT IA6858000 | LOVILIA | 472 | — | — | No result above limit |
| JEFFERSON COUNTY RURAL WATER DISTRICT IA5131705 | FAIRFIELD | 468 | — | — | No result above limit |
| DOW CITY WATER WORKS IA2427049 | DOW CITY | 467 | — | — | No result above limit |
| NORWAY CITY WATER SUPPLY IA0656081 | NORWAY | 466 | — | — | No result above limit |
| STACYVILLE WATER SUPPLY IA6677089 | STACYVILLE | 465 | — | — | No result above limit |
| HUMESTON WATER PLANT IA9348065 | HUMESTON | 465 | — | — | No result above limit |
| COLONIAL/GM/RC IA3102301 | DUBUQUE | 462 | — | — | No result above limit |
| RUNNELLS WATER SUPPLY IA7774008 | DES MOINES | 457 | — | — | No result above limit |
| ASHTON MUNICIPAL WATER DEPARTMENT IA7209069 | ASHTON | 456 | — | — | No result above limit |
| EWING TRACE MHC IA7727604 | NEWTON | 455 | — | — | No result above limit |
| TABLE MOUND PARK IA3100600 | CASCASDE | 455 | — | — | No result above limit |
| AMANA WATER SUPPLY IA4802033 | AMANA | 452 | — | — | No result above limit |
| DALLAS MUNICIPAL WATER SUPPLY IA6322096 | MELCHER-DALLAS | 451 | — | — | No result above limit |
| ALBION WATER DEPARTMENT IA6403011 | ALBION | 448 | — | — | No result above limit |
| ROYAL MUNICIPAL WATER UTILITIES IA2166006 | SPENCER | 446 | — | — | No result above limit |
| KLEMME WATER WORKS IA4155035 | KLEMME | 441 | — | — | No result above limit |
| LITTLE ROCK WATER SUPPLY IA6060006 | LITTLE ROCK | 441 | — | — | No result above limit |
| OTLEY PUBLIC UTILITIES INC IA6361001 | NEWTON | 440 | — | — | No result above limit |
| OCHEYEDAN WATER WORKS IA7239086 | OCHEYEDAN | 439 | — | — | No result above limit |
| ALLEMAN WATER SUPPLY IA7705022 | ALLEMAN | 439 | — | — | No result above limit |
| HAWKEYE WATER SUPPLY IA3346037 | HAWKEYE | 438 | — | — | No result above limit |
| GRANDVIEW MUNI WATER DEPT IA5842000 | GRANDVIEW | 437 | — | — | No result above limit |
| GALVA WATER SUPPLY IA4715072 | GALVA | 435 | — | — | No result above limit |
| LOST NATION WATER SUPPLY IA2346047 | LOST NATION | 434 | — | — | No result above limit |
| NEW ALBIN WATER SUPPLY IA0370047 | NEW ALBIN | 432 | — | — | No result above limit |
| OTHO WATER SUPPLY IA9464008 | FORT DODGE | 431 | — | — | No result above limit |
| BATAVIA WATER WORKS IA5107089 | BATAVIA | 430 | — | — | No result above limit |
| ALLERTON WATER WORKS IA9303024 | ALLERTON | 430 | — | — | No result above limit |
| LAMONT WATER SUPPLY IA1051051 | LAMONT | 429 | — | — | No result above limit |
| MARQUETTE WATER SUPPLY IA2256041 | MARQUETTE | 429 | — | — | No result above limit |
| BUSSEY WATER SUPPLY IA6309061 | OSKALOOSA | 427 | — | — | No result above limit |
| LORIMOR WATER SUPPLY IA8834098 | LORIMOR | 427 | — | — | No result above limit |
| PALACE PARK MHC IA9433601 | MADRID | 426 | — | — | No result above limit |
| OXFORD JUNCTION WATER SUPPLY IA5361020 | OXFORD JUNCTION | 424 | — | — | No result above limit |
| MARTENSDALE WATER SUPPLY IA9147047 | MARTENSDALE | 421 | — | — | No result above limit |
| DELHI WATER SUPPLY IA2817020 | DELHI | 420 | — | — | No result above limit |
| ARLINGTON WATER SUPPLY IA3307065 | ARLINGTON | 419 | — | — | No result above limit |
| BURT WATER SUPPLY IA5510060 | BURT | 418 | — | — | No result above limit |
| CLOVER RIDGE SUBDIVISION IA0690301 | WALFORD | 413 | — | — | No result above limit |
| EMERSON WATER DEPARTMENT IA6520019 | EMERSON | 412 | — | — | No result above limit |
| WAHPETON WATER SUPPLY IA3087057 | MILFORD | 408 | — | — | No result above limit |
| MILES WATER DEPARTMENT IA4953078 | MILES | 408 | — | — | No result above limit |
| LAWLER WATER SUPPLY IA1957064 | LAWLER | 406 | — | — | No result above limit |
| BAYARD WATER SUPPLY IA3907092 | ADAIR | 405 | — | — | No result above limit |
| CHARLOTTE WATER WORKS IA2324016 | MAQUOKETA | 401 | — | — | No result above limit |
| THORNTON WATER SUPPLY IA1781019 | BELMOND | 400 | — | — | No result above limit |
| RADIO CITY MHP IA7727601 | DES MOINES | 400 | — | — | No result above limit |
| WEST BRANCH MHP IA1600682 | OXFORD | 400 | — | — | No result above limit |
| OAKWOOD HEIGHTS MOBILE HOME PA IA7700602 | ANKENY | 400 | — | — | No result above limit |
| UNION WATER SUPPLY IA4291038 | NEWTON | 399 | — | — | No result above limit |
| EARLING WATER SUPPLY IA8320098 | EARLING | 397 | — | — | No result above limit |
| SALEM WATER SUPPLY IA4478023 | SALEM | 396 | — | — | No result above limit |
| LEHIGH WATER SUPPLY IA9453071 | FORT DODGE | 395 | — | — | No result above limit |
| PLAINFIELD WATER SUPPLY IA0960045 | PLAINFIELD | 393 | — | — | No result above limit |
| STOVER HEIGHTS MHC IA7727605 | MADRID | 393 | — | — | No result above limit |
| SOUTHWEST POLK WATER SERVICE, INC. IA7700802 | ANKENY | 393 | — | — | No result above limit |
| COLUMBUS CITY PUBLIC WATER SUPPLY IA5809063 | OLDS | 392 | — | — | No result above limit |
| WESLEY WATER SUPPLY IA5592098 | WESLEY | 390 | — | — | No result above limit |
| BONAPARTE WATER SUPPLY IA8914031 | WASHINGINTON | 390 | — | — | No result above limit |
| RIVER HEIGHTS PROPERTY OWNERS ASSOC. IA5200318 | OXFORD | 390 | — | — | No result above limit |
| CEDAR FALLS MOBILE HOME VILLAGE IA0709600 | WAVERLY | 388 | — | — | No result above limit |
| CASEY WATER SUPPLY IA3914081 | CASEY | 387 | — | — | No result above limit |
| COLESBURG WATER SUPPLY IA2809055 | COLESBURG | 386 | — | — | No result above limit |
| NEW MARKET WATER SUPPLY IA8758061 | NEW MARKET | 385 | — | — | No result above limit |
| DUNCOMBE WATER SUPPLY IA9427082 | DUNCOMBE | 384 | — | — | No result above limit |
| LIVERMORE WATER SUPPLY IA4647090 | LIVERMORE | 383 | — | — | No result above limit |
| VAIL WATER SUPPLY IA2452044 | VAIL | 383 | — | — | No result above limit |
| WORTHINGTON WATER SUPPLY IA3189001 | WORTHINGTON | 382 | — | — | No result above limit |
| MARSHALLTOWN ESTATES IA6400628 | MARSHALLTOWN | 382 | — | — | No result above limit |
| NEW VIENNA WATER SUPPLY IA3165014 | NEW VIENNA | 382 | — | — | No result above limit |
| LOHRVILLE WATER SUPPLY IA1389001 | NEWELL | 381 | — | — | No result above limit |
| ANDREW WATER SUPPLY IA4903050 | MARSHALLTOWN | 380 | — | — | No result above limit |
| LYNNVILLE WATER DEPT IA5047008 | LYNNVILLE | 380 | — | — | No result above limit |
| MILTON WATER SUPPLY IA8954084 | MILTON | 380 | — | — | No result above limit |
| FARNHAMVILLE WATER SUPPLY IA1320039 | GILMORE CITY | 379 | — | — | No result above limit |
| PLYMOUTH WATER SUPPLY IA1759048 | PLYMOUTH | 378 | — | — | No result above limit |
| MARK TWAIN MEADOWS HOMEOWNERS IA7048301 | MUSCATINE | 375 | — | — | No result above limit |
| HICKORY HOLLOW WATER SERVICE, INC. IA7709396 | ANKENY | 375 | — | — | No result above limit |
| CHURDAN WATER SUPPLY IA3709001 | CHURDAN | 375 | — | — | No result above limit |
| SPILLVILLE WATER SUPPLY IA9686077 | SPILLVILLE | 371 | — | — | No result above limit |
| CLEARFIELD MUNICIPAL WATER IA8012001 | CLEARFIELD | 371 | — | — | No result above limit |
| CALLENDER WATER SUPPLY IA9417063 | FORT DODGE | 371 | — | — | No result above limit |
| ORIENT MUNICIPAL WATER SUPPLY IA0160099 | ORIENT | 368 | — | — | No result above limit |
| BIRMINGHAM WATER SUPPLY IA8909011 | BIRMINGHAM | 367 | — | — | No result above limit |
| STATE TRAINING SCHOOL IA4236002 | ELDORA | 365 | — | — | No result above limit |
| RINGSTED WATER SUPPLY IA3275087 | RINGSTED | 365 | — | — | No result above limit |
| MENLO WATER SUPPLY IA3956070 | MENLO | 365 | — | — | No result above limit |
| MASSENA WATER SUPPLY IA1558055 | MASSENA | 364 | — | — | No result above limit |
| STANHOPE WATER DEPARTMENT IA4045090 | STANHOPE | 364 | — | — | No result above limit |
| PERSIA MUNICIPAL WATER SUPPLY IA4360038 | PERSIA | 363 | — | — | No result above limit |
| COUNTRY LIVING MOBILE HOME PK IA7700605 | ALTOONA | 362 | — | — | No result above limit |
| LACONA WATER SUPPLY IA9138041 | LACONA | 361 | — | — | No result above limit |
| BEAVERDALE HOMEOWNERS ASSOCIATION IA2985303 | WEST BURLINGTON | 360 | — | — | No result above limit |
| WEST OKOBOJI HARBOR ASSOCIATION IA3070301 | STORM LAKE | 360 | — | — | No result above limit |
| SUNNYBROOK MOBILE HOME PARK IA7700601 | NEWTON | 360 | — | — | No result above limit |
| RUDD WATERWORKS IA3440007 | RUDD | 358 | — | — | No result above limit |
| LEWIS WATER SUPPLY IA1535078 | LEWIS | 357 | — | — | No result above limit |
| C.R. BUILDERS IA5784325 | TODDVILLE | 356 | — | — | No result above limit |
| HOLY CROSS WATER SUPPLY IA3146055 | HOLY CROSS | 356 | — | — | No result above limit |
| CALAMUS WATER SUPPLY IA2320062 | CALAMUS | 356 | — | — | No result above limit |
| MCCALLSBURG WATER SUPPLY IA8552010 | COLO | 353 | — | — | No result above limit |
| TEMPLETON WATER SUPPLY IA1479015 | TEMPLETON | 352 | — | — | No result above limit |
| CUMMING WATER TREATMENT PLANT IA9123047 | DES MOINES | 351 | — | — | No result above limit |
| PLEASANT VALLEY LE LLC IA7767601 | PLEASANT HILL | 350 | — | — | No result above limit |
| RYAN WATER SUPPLY IA2864013 | RYAN | 350 | — | — | No result above limit |
| HOLIDAY LAKE WATER SYSTEM LTD IA7909001 | BROOKLYN | 350 | — | — | No result above limit |
| LONG BRANCH MAINTENANCE CORP. IA3900300 | DEXTER | 350 | — | — | No result above limit |
| TOWER TERRACE MOBILE HOME CRT IA5751693 | HIAWATHA | 350 | — | — | No result above limit |
| FORT ATKINSON WATER WORKS IA9641049 | FORT ATKINSON | 347 | — | — | No result above limit |
| BENNETT WATERWORKS IA1603005 | LOWDEN | 347 | — | — | No result above limit |
| PIERSON WATER SUPPLY IA9766041 | PIERSON | 345 | — | — | No result above limit |
| ELLIOTT WATER SUPPLY IA6915015 | ELLIOTT | 345 | — | — | No result above limit |
| GARRISON WATER SUPPLY IA0625078 | TRAER | 344 | — | — | No result above limit |
| VERDE WATER CO.-TABLE MOUND #1-WELL #2 IA3100610 | DUBUQUE | 342 | — | — | No result above limit |
| BRANDON WATER SUPPLY IA1011001 | BRANDON | 341 | — | — | No result above limit |
| MT CARMEL WATER SUPPLY IA1462015 | MOUNT CARMEL | 340 | — | — | No result above limit |
| CORALVILLE LAKE TERRACE IA5200817 | TIPTON | 340 | — | — | No result above limit |
| SUNRISE VILLAGE MOBILE HOME PK IA5200602 | GRINNELL | 340 | — | — | No result above limit |
| MONDAMIN WATER SUPPLY IA4349094 | MARSHALLTOWN | 339 | — | — | No result above limit |
| UTE WATER SUPPLY IA6762043 | UTE | 338 | — | — | No result above limit |
| DIAGONAL WATER DEPARTMENT IA8018040 | DIAGONAL | 338 | — | — | No result above limit |
| MIDDLETOWN WATER SUPPLY IA2952075 | MIDDLETOWN | 336 | — | — | No result above limit |
| IOWA AMERICAN WATER DONAHUE IA8227045 | DAVENPORT | 335 | — | — | No result above limit |
| ROLLING HILLS IA8500634 | NEVADA | 335 | — | — | No result above limit |
| TERRIL MUNICIPAL WATERWORKS IA3080016 | TERRIL | 334 | — | — | No result above limit |
| BARRINGTON LAKES WATER SYSTEM IA3126301 | DUBUQUE | 333 | — | — | No result above limit |
| CLARKE RURAL WATER DISTRICT #1 IA2000702 | OSCEOLA | 330 | — | — | No result above limit |
| SUNRISE TERRACE MHC IA5059601 | NEWTON | 330 | — | — | No result above limit |
| GUTTENBERG INDUSTRIAL & RESIDENTIAL AREA IA2242101 | GUTTENBERG | 325 | — | — | No result above limit |
| GREENWOOD ACRES WATER CO. IA7709395 | ANKENY | 325 | — | — | No result above limit |
| MINBURN WATERWORKS IA2547085 | BOUTON | 325 | — | — | No result above limit |
| MYSTIC WATER SUPPLY IA0477040 | MYSTIC | 322 | — | — | No result above limit |
| PETERSON MUNICIPAL WATER SUPPLY IA2154039 | PETERSON | 322 | — | — | No result above limit |
| PONDEROSA PARK MHP IA8222612 | DAVENPORT | 320 | — | — | No result above limit |
| CONROY WATER SUPPLY IA4808068 | TAMA | 320 | — | — | No result above limit |
| DANBURY WATER SUPPLY IA9729099 | DANBURY | 320 | — | — | No result above limit |
| RIPPEY MUNI WATER SUPPLY IA3754088 | RIPPEY | 319 | — | — | No result above limit |
| MINGO WATER DEPARTMENT IA5052087 | MINGO | 316 | — | — | No result above limit |
| ALTANNA CORPORATION IA5260301 | OXFORD | 316 | — | — | No result above limit |
| WILLIAMS WATER SUPPLY IA4070022 | WILLIAMS | 315 | — | — | No result above limit |
| WHEEL ESTATES MHC IA6342301 | KNOXVILLE | 315 | — | — | No result above limit |
| GRINNELL MHP MHC IA7930601 | GRINNELL | 313 | — | — | No result above limit |
| FLOYD MUNI WATER SUPPLY IA3414044 | FLOYD | 313 | — | — | No result above limit |
| IRWIN MUNICIPAL SUPPLY IA8340099 | IRWIN | 313 | — | — | No result above limit |
| BURDS GREEN ACRES SUBDIVISION IA3170302 | PEOSTA | 312 | — | — | No result above limit |
| SURREY HEIGHTS WATER COMPANY IA8222310 | BETTENDORF | 310 | — | — | No result above limit |
| VALLEY VILLAGE MOBILE HOME COU IA9000672 | OTTUMWA | 310 | — | — | No result above limit |
| GRANVILLE WATER SUPPLY IA8429002 | GRANVILLE | 310 | — | — | No result above limit |
| WEST OKOBOJI IA3090081 | MILFORD | 308 | — | — | No result above limit |
| SHELDAHL WATER SUPPLY IA7778039 | SHELDAHL | 307 | — | — | No result above limit |
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