PFAS contamination data for 3,957 water systems in New Hampshire, serving 1,175,010 people.
PFOA MCL: 12 ppt(EPA: 4 ppt)
PFOS MCL: 15 ppt(EPA: 4 ppt)
NH MCLs: PFOA 12 ppt, PFOS 15 ppt, PFHxS 18 ppt, PFNA 11 ppt. Among strictest state standards.
New Hampshire has some of the strictest PFAS standards in the country. Major contamination sites around Pease Air Force Base and Saint-Gobain facility.
Serious SDWA violator: ROUTE 10 MINI MART, Swanzey, NH
PWS ID: NH2308100. County: Cheshire
2026-05-11 · Read more →
Serious SDWA violator: ENFIELD WATER DEPT, Enfield, NH
PWS ID: NH0751010. County: Grafton
2026-05-11 · Read more →
Serious SDWA violator: GOODRICH PROPERTY, Bartlett, NH
PWS ID: NH0162350. County: Carroll
2026-05-11 · Read more →
Free eligibility check — plus weekly MCL, deadline, and funding alerts for New Hampshire.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| MANCHESTER WATER WORKS NH1471010 | MANCHESTER | 123,500 | 5 | — | Exceeds |
| PENNICHUCK WATER WORKS NH1621010 | NASHUA | 89,073 | — | — | Compliant |
| CONCORD WATER DEPT NH0501010 | CONCORD | 44,215 | — | — | Compliant |
| PORTSMOUTH WATER WORKS NH1951010 | PORTSMOUTH | 33,000 | 7 | 5 | Exceeds |
| KEENE WATER DEPT NH1241010 | KEENE | 30,000 | — | — | Compliant |
| DOVER WATER DEPT NH0651010 | DOVER | 29,000 | — | — | Compliant |
| MERRIMACK VILLAGE DIST NH1531010 | MERRIMACK | 25,500 | — | — | Compliant |
| ROCHESTER WATER DEPT |
PWS ID: NH0266020. County: Merrimack
2026-05-11 · Read more →
| ROCHESTER |
| 25,000 |
| — |
| — |
| Compliant |
| LACONIA WATER WORKS NH1281010 | LAKEPORT | 21,000 | — | — | Compliant |
| SALEM WATER DEPT NH2051010 | SALEM | 21,000 | 8.5 | — | Exceeds |
| DERRY WATER DEPT NH0611010 | DERRY | 17,210 | 4.6 | — | Exceeds |
| HUDSON WATER DEPT NH1201010 | HUDSON | 16,700 | 9 | — | Exceeds |
| UNH/DURHAM WATER SYS NH0691010 | DURHAM | 16,000 | — | — | Compliant |
| SEABROOK WATER DEPT NH2111010 | SEABROOK | 14,000 | 8 | 5.3 | Exceeds |
| EXETER WATER DEPT NH0801010 | EXETER | 12,236 | 6 | 4 | Exceeds |
| SOMERSWORTH WATER WORKS NH2151010 | SOMERSWORTH | 12,000 | — | — | Compliant |
| LEBANON WATER DEPT NH1321010 | LEBANON | 10,050 | — | — | Compliant |
| PEASE TRADE PORT NH1951020 | PORTSMOUTH | 9,900 | — | — | Compliant |
| BERLIN WATER WORKS NH0231010 | BERLIN | 9,575 | — | — | Compliant |
| MILFORD WATER UTILITIES DEPT NH1561010 | MILFORD | 9,500 | — | — | Compliant |
| CLAREMONT WATER DEPT NH0461010 | CLAREMONT | 9,000 | — | — | Compliant |
| HANOVER WATER DEPT NH1071010 | HANOVER | 8,500 | — | — | Compliant |
| LITCHFIELD NH1371010 | NASHUA | 7,000 | 8.1 | — | Exceeds |
| DURHAM WATER DEPT NH0691020 | DURHAM | 7,000 | — | — | Compliant |
| FRANKLIN WATER WORKS NH0851010 | FRANKLIN | 7,000 | — | — | Compliant |
| HAMPSTEAD AREA WATER NH1031010 | ATKINSON | 6,953 | 7.2 | 7.5 | Exceeds |
| PLYMOUTH VLG WATER AND SEWER NH1941010 | PLYMOUTH | 6,700 | — | — | Compliant |
| LITTLETON WATER AND LIGHT NH1381010 | LITTLETON | 6,500 | — | — | Compliant |
| WOLFEBORO WATER AND SEWER NH2561010 | WOLFEBORO | 6,000 | — | — | Compliant |
| NORTH CONWAY WATER PCT NH0511030 | NORTH CONWAY | 5,500 | — | — | Compliant |
| LONDONDERRY NH1391010 | NASHUA | 5,380 | 6.4 | — | Exceeds |
| PEMBROKE WATER WORKS NH1861010 | PEMBROKE | 5,200 | — | 6.5 | Exceeds |
| NEWMARKET WATER WORKS NH1731010 | NEWMARKET | 5,030 | — | — | Compliant |
| NEWPORT WATER WORKS NH1741010 | NEWPORT | 5,000 | — | — | Compliant |
| CENTRAL HOOKSETT WATER PCT NH1181010 | HOOKSETT | 4,650 | 4.9 | — | Exceeds |
| PETERBOROUGH WATER WORKS NH1871010 | PETERBOROUGH | 4,500 | — | — | Compliant |
| RYE WATER DIST NH2041010 | RYE | 4,300 | 8.3 | 7.8 | Exceeds |
| PENACOOK BOSCAWEN WATER PCT NH0251010 | NASHUA | 3,800 | — | — | Compliant |
| LOWER BARTLETT WATER PCT NH0161020 | INTERVALE | 3,800 | — | — | Compliant |
| JAFFREY WATER WORKS NH1221010 | JAFFREY | 3,800 | 6.6 | 5.6 | Exceeds |
| MEREDITH WATER DEPT NH1521010 | MEREDITH | 3,750 | — | — | Compliant |
| BRISTOL WATER WORKS NH0301010 | BRISTOL | 3,575 | — | — | Compliant |
| VILLAGE DIST OF EASTMAN NH0951010 | GRANTHAM | 3,400 | — | — | Compliant |
| LINCOLN WATER WORKS NH1351010 | LINCOLN | 3,300 | — | — | Compliant |
| RAYMOND WATER DEPT NH1971010 | RAYMOND | 3,300 | — | — | Compliant |
| FARMINGTON WATER DEPT NH0811010 | FARMINGTON | 3,250 | — | — | Compliant |
| WATERVILLE VALLEY WATER DIST NH2441010 | WATERVILLE VALLEY | 3,150 | — | — | Compliant |
| LITTLE POND ESTATES NH0192080 | NASHUA | 3,000 | 5.4 | — | Exceeds |
| HOOKSETT VILLAGE WATER PCT NH1181020 | HOOKSETT | 3,000 | — | — | Compliant |
| COGSWELL SPRINGS WATER WORKS NH1121010 | HENNIKER | 3,000 | — | — | Compliant |
| GOFFSTOWN VILLAGE PCT NH0911010 | GOFFSTOWN | 3,000 | — | — | Compliant |
| WOODSTOCK WATER DEPT NH2571020 | NORTH WOODSTOCK | 2,950 | — | — | Compliant |
| WALNUT RIDGE/BRYANT WOODS NH0112080 | ATKINSON | 2,950 | — | — | Compliant |
| CHARLESTOWN WATER WORKS NH0411010 | CHARLESTOWN | 2,850 | — | — | Compliant |
| WINCHESTER WATER DEPT NH2531010 | WINCHESTER | 2,800 | — | — | Compliant |
| NEW LONDON SPRINGFIELD WATER NH1721010 | NEW LONDON | 2,750 | — | — | Compliant |
| CONWAY WATER AND SEWER NH0511010 | CONWAY | 2,745 | — | — | Compliant |
| GROVETON WATER SYS NH1781010 | NORTHUMBERLAND | 2,650 | — | — | Compliant |
| GORHAM WATER AND SEWER DEPT NH0921010 | GORHAM | 2,630 | — | — | Compliant |
| TILTON NORTHFIELD WATER DIST NH2351010 | TILTON | 2,500 | — | — | Compliant |
| LANCASTER WATER DEPT NH1291010 | LANCASTER | 2,450 | — | — | Compliant |
| LOCKE LAKE NH0142010 | NASHUA | 2,278 | — | — | Compliant |
| WOODSVILLE WATER AND LIGHT NH1101040 | WOODSVILLE | 2,075 | — | — | Compliant |
| PARADISE SHORES NH1612010 | MOULTONBOROUGH | 2,060 | — | — | Compliant |
| HILLSBOROUGH WATER WORKS NH1141010 | HILLSBOROUGH | 2,000 | — | — | Compliant |
| NORTH HINSDALE WATER DEPT NH1151010 | HINSDALE | 1,800 | — | — | Compliant |
| ALTON WATER WORKS NH0061010 | ALTON | 1,800 | — | — | Compliant |
| WILTON WATER WORKS NH2521010 | WILTON | 1,790 | — | — | Compliant |
| BETHLEHEM VILLAGE DIST NH0241010 | BETHLEHEM | 1,750 | — | — | Compliant |
| ROLLINSFORD WATER SEWER DIST NH2011010 | ROLLINSFORD | 1,688 | — | — | Compliant |
| SUNAPEE WATER WORKS NH2271010 | SUNAPEE | 1,680 | — | — | Compliant |
| WHITEFIELD WATER NH2501010 | WHITEFIELD | 1,640 | — | — | Compliant |
| HINSDALE WATER DEPT/DOWNTOWN NH1151020 | HINSDALE | 1,600 | — | — | Compliant |
| EPPING WATER AND SEWER DEPT NH0761010 | EPPING | 1,600 | — | — | Compliant |
| CONTOOCOOK VILLAGE PCT NH1191010 | CONCORD | 1,600 | — | — | Compliant |
| ASHLAND WATER DEPT NH0101010 | ASHLAND | 1,525 | — | — | Compliant |
| LACONIA WATER WORKS/WEIRS NH1281030 | LACONIA | 1,500 | — | — | Compliant |
| GUNSTOCK ACRES VILLAGE DIST NH0881020 | GILFORD | 1,440 | — | — | Compliant |
| SANBORNVILLE WATER DEPT NH2391010 | SANBORNVILLE | 1,425 | — | — | Compliant |
| DREW WOODS NH0612150 | NASHUA | 1,408 | — | — | Compliant |
| N SWANZEY WATER AND FIRE PRCT NH2301010 | N SWANZEY | 1,400 | — | — | Compliant |
| ROCKINGHAM COUNTY COMPLEX NH0284010 | BRENTWOOD | 1,387 | — | — | Compliant |
| ENFIELD WATER DEPT NH0751010 | ENFIELD | 1,345 | — | — | Compliant |
| EMERALD LAKE NH1141020 | HILLSBORO | 1,300 | — | — | Compliant |
| COLEBROOK WATER WORKS NH0481010 | COLEBROOK | 1,300 | — | — | Compliant |
| WATERVILLE ESTATE VLG DIST/W NH0341030 | CAMPTON | 1,250 | — | — | Compliant |
| TROY WATER WORKS NH2361010 | TROY | 1,200 | — | — | Compliant |
| VILLAGE DISTRICT OF EIDELWEISS NH1461010 | MADISON | 1,200 | — | — | Compliant |
| POWDER HILL NH0192050 | NASHUA | 1,155 | — | — | Compliant |
| GRASMERE WATER PCT/MAIN NH0911020 | GOFFSTOWN | 1,125 | — | — | Compliant |
| GREENVILLE WATER DEPT NH0991010 | GREENVILLE | 1,100 | — | — | Compliant |
| AMHERST VILLAGE DISTRICT NH0071010 | MERRIMACK | 1,080 | — | — | Compliant |
| WALPOLE WATER DEPT NH2401010 | WALPOLE | 1,057 | — | — | Compliant |
| LISBON WATER DEPT NH1361010 | LISBON | 1,010 | — | — | Compliant |
| EXETER RIVER MOBILE HOME PARK NH0803020 | EXETER | 980 | — | — | Compliant |
| WELLINGTON HILL APARTMENTS NH1472010 | MANCHESTER | 975 | — | — | Compliant |
| WILLIAMSBURG NH1851010 | NASHUA | 928 | — | — | Compliant |
| ANTRIM SEWER AND WATER DEPT NH0091010 | ANTRIM | 920 | — | — | Compliant |
| NEW CASTLE WATER WORKS NH1661010 | PORTSMOUTH | 910 | — | — | Compliant |
| SUISSEVALE ON BIRCH HILL NH1612130 | MOULTONBOROUGH | 888 | — | — | Compliant |
| CABOT PRESERVE NH0192070 | NASHUA | 878 | — | — | Compliant |
| CENTURY VILLAGE CONDOS NH1392180 | MANCHESTER | 875 | — | — | Compliant |
| BROOK PARK ESTS NH1392060 | NASHUA | 875 | — | — | Compliant |
| CARROLL WATER WORKS NH0381010 | TWIN MOUNTAIN | 875 | — | — | Compliant |
| OSSIPEE WATER DEPT NH1841010 | CENTER OSSIPEE | 860 | — | — | Compliant |
| EPSOM VILLAGE WATER DISTICT NH0771010 | EPSOM | 800 | — | — | Compliant |
| BEAR VIEW CROSSING NH0043050 | ALLENSTOWN | 800 | — | — | Compliant |
| MOUNTAIN LAKES WATER DISTRICT NH1101050 | WOODSVILLE | 787 | — | — | Compliant |
| BENNINGTON WATER DEPT NH0211010 | ANTRIM | 775 | — | — | Compliant |
| MARLBOROUGH WATER WORKS NH1481010 | MARLBOROUGH | 750 | — | — | Compliant |
| MERIDEN VILLAGE WATER DIST NH1921020 | MERIDEN | 750 | — | — | Compliant |
| NO HAVERHILL WATER AND LIGHT NH1101020 | NORTH HAVERHILL | 750 | — | — | Compliant |
| RIVER RUN CONDOS NH0162170 | NORTH CONWAY | 750 | — | — | Compliant |
| WATERVILLE ESTATE VILL DIST/E NH0341020 | CAMPTON | 715 | — | — | Compliant |
| VLG OF NORTHWOOD RDG WTR DIST NH1792030 | NORTHWOOD | 688 | — | — | Compliant |
| CANAAN WATER DEPT NH0351010 | CANAAN | 684 | — | — | Compliant |
| LINDERHOF MOUNTAINSIDE NH0162090 | INTERVALE | 663 | — | — | Compliant |
| WARNER VILLAGE WATER DIST NH2411010 | WARNER | 660 | — | — | Compliant |
| ANDOVER VILLAGE DIST NH0081010 | ANDOVER | 650 | — | — | Compliant |
| BARTLETT VILLAGE PCT NH0161010 | BARTLETT | 625 | — | — | Compliant |
| SULLIVAN COUNTY COMPLEX NH2384010 | UNITY | 625 | — | — | Compliant |
| GREEN HILLS ESTS NH1973030 | NASHUA | 620 | — | — | Compliant |
| NEW HAMPTON VILLAGE PCT NH1691010 | GLEN | 600 | — | — | Compliant |
| CAMPTON VILLAGE PCT NH0341010 | CAMPTON | 600 | — | — | Compliant |
| LOV WATER NH0862010 | MOULTONBOROUGH | 590 | — | — | Compliant |
| KENT FARM NH1032050 | ATKINSON | 555 | — | — | Compliant |
| BON TERRAIN NH0071020 | MERRIMACK | 550 | — | — | Compliant |
| NEWFIELDS VLG WATER AND SEWER NH1681010 | NEWFIELDS | 550 | — | — | Compliant |
| BIRCH HILL EAST NH0512010 | NASHUA | 550 | — | — | Compliant |
| PRECINCT OF HAVERHILL CORNER NH1101010 | HAVERHILL | 540 | — | — | Compliant |
| FRANCONIA VILLAGE WATER NH0841010 | FRANCONIA | 535 | — | — | Compliant |
| SAWMILL BROOK ESTATES NH1371020 | LITCHFIELD | 535 | — | — | Compliant |
| W AND E NH2542030 | NASHUA | 525 | — | — | Compliant |
| MAPLE HILL ACRES NH0612020 | NASHUA | 523 | — | — | Compliant |
| WHITEFIELD WATER DEPT (BH) NH2501020 | WHITEFIELD | 500 | — | — | Compliant |
| JACKSON WATER PCT NH1211010 | JACKSON | 500 | — | — | Compliant |
| EASTMAN WATER COMPANY NH0952010 | GRANTHAM | 500 | — | — | Compliant |
| GEORGES MILLS WATER WORKS NH2271020 | SUNAPEE | 500 | — | — | Compliant |
| MOUNTAIN HOME ESTATES ASSOC NH1392080 | LONDONDERRY | 500 | — | — | Compliant |
| HOLDERNESS SCH NH1164010 | HOLDERNESS | 490 | — | — | Compliant |
| COLBY POND NH0582010 | ATKINSON | 485 | — | — | Compliant |
| ROCKHOUSE MOUNTAIN NH0512240 | CONWAY | 480 | — | — | Compliant |
| MITTERSILL WATER DEPT NH0841020 | FRANCONIA | 475 | — | — | Compliant |
| GREENVILLE EST VILLAGE DIST NH0993020 | GREENVILLE | 472 | — | — | Compliant |
| PLAISTOW WATER DEPT NH1931010 | ATKINSON | 465 | — | — | Compliant |
| WHISPERING WINDS NH1851020 | NASHUA | 460 | — | — | Compliant |
| HANCOCK WATER WORKS NH1061010 | HANCOCK | 450 | — | — | Compliant |
| BADGER HILL NH1562030 | NASHUA | 438 | — | — | Compliant |
| W STEWARTSTOWN WATER PCT NH2191020 | WEST STEWARTSTOWN | 428 | — | — | Compliant |
| PINELAND PARK NH1583010 | EXETER | 425 | — | — | Compliant |
| HOLIDAY ACRES /SUMMIT NH0043060 | ALLENSTOWN | 418 | — | — | Compliant |
| PINE GARDENS MHP NH0203040 | BELMONT | 413 | — | — | Compliant |
| RIVER RUN NH0803030 | EXETER | 411 | — | — | Compliant |
| PARADISE ESTATES NH2003030 | NEW HAMPTON | 405 | — | — | Compliant |
| LACONIA CORRECTIONAL FACILITY NH1281020 | LACONIA | 400 | — | — | Compliant |
| COTTON FARMS MHP NH0583030 | EAST HAMPSTEAD | 390 | — | — | Compliant |
| HALES LOCATION NH1021010 | HALES LOCATION | 385 | — | — | Compliant |
| HILLSBORO COUNTY COMPLEX NH0911040 | GOFFSTOWN | 385 | — | — | Compliant |
| CHESHIRE COUNTY COMPLEX NH2494010 | KEENE | 380 | — | — | Compliant |
| AVERY ESTATES NH1392250 | NASHUA | 380 | — | — | Compliant |
| FREEDOM HILL/PINE RIDGE EST NH1403030 | LOUDON | 370 | — | — | Compliant |
| HILL WATER WORKS NH1131010 | FRANKLIN | 350 | — | — | Compliant |
| KINGS TOWNE MHP NH0773010 | EPSOM | 350 | — | — | Compliant |
| KENDALWOOD ASSOCIATION I NH1392140 | LONDONDERRY NH | 350 | — | — | Compliant |
| ACKERMAN RETIREMENT PARK NH2053020 | DERRY | 350 | — | — | Compliant |
| TWIN RIDGE CONDOS NH1932050 | NASHUA | 348 | — | — | Compliant |
| SAMOSET AT WINNIPESAUKEE NH0882160 | MANCHESTER | 343 | — | — | Compliant |
| KENDALLWOOD CONDOMINIUMS NH1392100 | NASHUA | 330 | — | — | Compliant |
| MALLARDS LANDING NH0203080 | BELMONT | 325 | — | — | Compliant |
| NH COLLEGE NORTH CAMPUS NH1184010 | HOOKSETT | 325 | — | — | Compliant |
| NORTH CHARLESTOWN WATER DEPT NH0411020 | CHARLESTOWN | 325 | — | — | Compliant |
| GOLDEN BROOK NH2542010 | NASHUA | 323 | — | — | Compliant |
| NORDIC VILLAGE NH0162270 | JACKSON | 315 | — | — | Compliant |
| INTERLAKES MOBILE HOME PARK NH1523010 | MEREDITH | 313 | — | — | Compliant |
| LEDGES AT NEWFOUND LAKE NH0032010 | GILFORD | 307 | — | — | Compliant |
| OAKWOOD TERRACE NH0612010 | NASHUA | 307 | — | — | Compliant |
| PINE GROVE MOBILE HOME PARK NH2303010 | SWANZEY | 305 | — | — | Compliant |
| LANCASTER FARMS NH2052030 | ATKINSON | 303 | — | — | Compliant |
| BIRCHVILLE ESTATES NH1392090 | LONDONDERRY | 300 | — | — | Compliant |
| VILLAGES AT STOW MA2286024 | NASHUA | 300 | — | — | Compliant |
| NEWBURY CENTRAL SCHOOL NH1655010 | NEWPORT | 300 | — | — | Compliant |
| LAKE BREEZE PARK NH0883050 | GILFORD | 300 | — | — | Compliant |
| SPOFFORD HALL REHAB CENTER NH0445020 | CHESTERFIELD | 300 | — | — | Compliant |
| NORTH STRATFORD WATER DEPT NH2221010 | STRATFORD | 300 | — | — | Compliant |
| CROTCHED MOUNTAIN SCHOOL NH0972010 | GREENFIELD | 300 | — | — | Compliant |
| MONROE WATER DEPT NH1591010 | MONROE | 300 | — | — | Compliant |
| COOLIDGE FALLS NH1352050 | LINCOLN | 300 | — | — | Compliant |
| HIGHPINE VILLAGE ME0092741 | ATKINSON | 300 | — | — | Compliant |
| CARDIGAN MOUNTAIN SCH NH0354010 | CANAAN | 300 | — | — | Compliant |
| HIDDEN VALLEY/MASON NH2372020 | MOULTONBOROUGH | 298 | — | — | Compliant |
| MINISTERIAL/PARRISH HILLS NH1392310 | NASHUA | 298 | — | — | Compliant |
| LINDERHOF PROP OWNR ASSN NH0162070 | GLEN | 295 | — | — | Compliant |
| SOUHEGAN WOODS NH0072070 | NASHUA | 293 | — | — | Compliant |
| GRANLIDEN ON SUNAPEE NH2272010 | SUNAPEE | 292 | — | — | Compliant |
| TOY'S MANUFACTURED HOUSING NH2003060 | DOVER | 292 | — | — | Compliant |
| ROPEWALK SERVICES NH0102010 | ASHLAND | 290 | — | — | Compliant |
| PLAINFIELD WATER DEPT NH1921010 | MERIDEN | 284 | — | — | Compliant |
| LYME WATER NH1431010 | ENFIELD | 283 | — | — | Compliant |
| WEDIKO SCHOOL NH2552010 | WINDSOR | 280 | — | — | Compliant |
| LAKES REGION MHP COOP II NH0203090 | BELMONT | 276 | — | — | Compliant |
| TALL TIMBERS MHP VT0005375 | LEBANON | 275 | — | — | Compliant |
| OWLS NEST GOLF CLUB AND CONDOS NH2348110 | CAMPTON | 272 | — | — | Compliant |
| EAGLE RIDGE RESORT NH0162400 | GLEN | 270 | — | — | Compliant |
| MERRYMEETING MHP NH0063020 | ALTON | 265 | — | — | Compliant |
| TAMWORTH WATER WORKS NH2311010 | MOULTONBOROUGH | 265 | — | — | Compliant |
| BLUFFS AT OSSIPEE LAKE NH1842010 | CENTER OSSIPEE | 265 | — | — | Compliant |
| LOWER SHAKER VILLAGE NH0753030 | MERIDEN | 263 | — | — | Compliant |
| INDIAN MOUND GOLF CLUB NH1842030 | MOULTONBOROUGH | 260 | — | — | Compliant |
| CARROLL COUNTY COMPLEX NH1844010 | OSSIPEE | 258 | — | — | Compliant |
| VILLAGE AT RIVERBEND NH0102020 | PLYMOUTH | 258 | — | — | Compliant |
| MEDFORD FARMS MOBILE HOME PARK NH0912010 | GOFFSTOWN | 256 | — | — | Compliant |
| OSSIPEE MOUNTAINS ESTATES NH1843010 | CENTER OSSIPEE | 255 | — | — | Compliant |
| GLEN RIDGE DEV NH0612070 | NASHUA | 253 | — | — | Compliant |
| VILLAGES AT LOUDON NH1402020 | LOUDON | 250 | — | — | Compliant |
| WOODLAND POND NH1032060 | HAMPSTEAD | 250 | — | — | Compliant |
| EMERALD ACRES NH0153060 | BARRINGTON | 250 | — | — | Compliant |
| SUNRAY SHORES WATER DIST NH0202020 | BELMONT | 250 | — | — | Compliant |
| REDFIELD ESTATES NH0612080 | MERRIMACK | 250 | — | — | Compliant |
| MAPLE HAVEN NH0612170 | NASHUA | 250 | — | — | Compliant |
| VIEW POINT COOP NH2303020 | SWANZEY | 248 | — | — | Compliant |
| MAPLEVALE AND CRICKET HILL NH0702030 | ATKINSON | 248 | — | — | Compliant |
| VILLAGES AT CHESTER CONDOS NH0432010 | MANCHESTER | 245 | — | — | Compliant |
| CONTOOCOOK RIVER COOPERATIVE NH0603010 | DEERING | 245 | — | — | Compliant |
| OLDE TOWNE NH0043020 | EPPING | 243 | — | — | Compliant |
| SACO WOODS CONDOS NH0512250 | GLEN | 240 | — | — | Compliant |
| EPSOM HEALTHCARE CTR NH0774010 | EPSOM | 240 | — | — | Compliant |
| GREAT BROOK CONDOMINIUMS NH1562010 | MILFORD | 240 | — | — | Compliant |
| LEISURE ACRES NH1563030 | MILFORD | 240 | — | — | Compliant |
| TWO RIVERS MHCC NH0343020 | CAMPTON | 234 | — | — | Compliant |
| PITTSBURG WATER DEPT NH1901010 | PITTSBURG | 233 | — | — | Compliant |
| LRMHV NH0883040 | GILFORD | 233 | — | — | Compliant |
| SARGENT WOODS NH1752070 | ATKINSON | 230 | — | — | Compliant |
| GLENCLIFF HOME FOR THE ELDERLY NH0224010 | GLENCLIFF | 230 | — | — | Compliant |
| BIRCHVIEW BY THE SACO NH0162110 | INTERVALE | 230 | — | — | Compliant |
| COOS COUNTY FARM NH2194010 | W STEWARTSTOWN | 228 | — | — | Compliant |
| TENNEY BROOK II NH1942010 | PLYMOUTH | 228 | — | — | Compliant |
| SWAINS LAKE VILLAGE WATER NH0151010 | BARRINGTON | 227 | — | — | Compliant |
| BLACKROCKS VILLAGE NH0872020 | ATKINSON | 226 | — | — | Compliant |
| SUNRISE ESTATES NH1542030 | NASHUA | 225 | — | — | Compliant |
| PATRICIAN SHORES NH1522010 | CENTER HARBOR | 225 | — | — | Compliant |
| SPRINGWOOD HILLS NH1392260 | NASHUA | 225 | — | — | Compliant |
| REDSUN WATER NH0302040 | BRISTOL | 225 | — | — | Compliant |
| BROOKDALE SPRUCE WOOD NH0694010 | DURHAM | 225 | — | — | Compliant |
| NORTHGATE APARTMENTS NH2002010 | ROCHESTER | 225 | — | — | Compliant |
| RODGERS DEV NH2353010 | GILFORD | 220 | — | — | Compliant |
| HALE ESTATES NH0512270 | CONWAY | 220 | — | — | Compliant |
| GREAT BAY WATER SYSTEM NH1732030 | NASHUA | 218 | — | — | Compliant |
| PLEASANT LAKE MHP NH2413010 | WARNER | 218 | — | — | Compliant |
| HOPKINTON VILLAGE PCT NH1191020 | HOPKINTON | 215 | — | — | Compliant |
| WESTVIEW PARK CONDOS NH1932030 | PLAISTOW | 215 | — | — | Compliant |
| ACORN TERRACE NH2003020 | ROCHESTER | 215 | — | — | Compliant |
| FAR ECHO HARBOR NH1612030 | MOULTONBOROUGH | 213 | — | — | Compliant |
| WHITE MOUNTAIN RESORT/GATEWAY NH2342060 | MOULTONBOROUGH | 213 | — | — | Compliant |
| MONTROSE CONDOS NH2232070 | EPPING | 210 | — | — | Compliant |
| MANSION HILL CONDOS NH1352010 | LINCOLN | 210 | — | — | Compliant |
| CHALK POND WATER NH1652020 | NEWBURY | 208 | — | — | Compliant |
| HEMLOCK HAVEN NH1053020 | PORTSMOUTH | 207 | — | — | Compliant |
| LOST VALLEY NH0732030 | OSSIPEE | 206 | — | — | Compliant |
| GROUSE POINT CLUB NH1522090 | MEREDITH | 205 | — | — | Compliant |
| CORNERSTONE ESTATES NH2082060 | ATKINSON | 202 | — | — | Compliant |
| WESCO UTILITIES NH1182050 | NASHUA | 200 | — | — | Compliant |
| THE MEADOWS NH1193010 | CONTOOCOOK | 200 | — | — | Compliant |
| MOUNTAIN RIVER CONDOS EAST NH2342040 | CAMPTON | 200 | — | — | Compliant |
| SOUTH WEARE WATER NH2452030 | WEARE | 200 | — | — | Compliant |
| SOUTH MAIN STREET WATER DIST NH2422010 | WARREN | 200 | — | — | Compliant |
| MONADNOCK TENANTS NH1993010 | RINDGE | 200 | — | — | Compliant |
| NORTH HAMPTON MOBILE HOME PARK NH1773030 | NO HAMPTON | 200 | — | — | Compliant |
| WATERVILLE EST WTR CO NH0342030 | CAMPTON | 200 | — | — | Compliant |
| ROCK RIMMON COOPERATIVE NH0583050 | EAST HAMPSTEAD | 200 | — | — | Compliant |
| BARRINGTON MOBILE HOME ESTATES NH0153050 | DOVER | 198 | — | — | Compliant |
| WOODLANDS NH0762120 | NASHUA | 198 | — | — | Compliant |
| SALT RIVER CONDOS NH2232030 | EXETER | 195 | — | — | Compliant |
| TOWN LINE VILLAGE NH1163010 | HOLDERNESS | 193 | — | — | Compliant |
| PINE AND POND MOBILE HOME PARK NH0763020 | EPPING | 188 | — | — | Compliant |
| STONEFORD NH2082050 | ATKINSON | 188 | — | — | Compliant |
| VALLEY FIELD APTS NORTHLAND NH1932070 | NASHUA | 188 | — | — | Compliant |
| PENDLETON COVE NH1282030 | MOULTONBOROUGH | 185 | — | — | Compliant |
| WOODLAND GROVE NH0512130 | MOULTONBOROUGH | 185 | — | — | Compliant |
| ERROL WATER WORKS/WEST NH0781010 | ERROL | 183 | — | — | Compliant |
| LIBERTY TREE ACRES NH1972010 | NASHUA | 183 | — | — | Compliant |
| BEDFORD WATER NH0192010 | MERRIMACK | 180 | — | — | Compliant |
| FOREST VIEW ESTATES NH2302050 | NASHUA | 180 | — | — | Compliant |
| WINDY ACRES NH0413030 | WALPOLE | 180 | — | — | Compliant |
| SOUTHERN NH WATER CO. NH6542010 | HUDSON | 180 | — | — | Compliant |
| AUTUMN WOODS NH2052070 | NASHUA | 180 | — | — | Compliant |
| COLLINS LANDING NH2452040 | BEDFORD | 180 | — | — | Compliant |
| SLOPE N SHORE CLUB NH1722020 | FREEDOM | 180 | — | — | Compliant |
| MOUNTAINSIDE AT CROTCHED MTN NH0212020 | NASHUA | 180 | — | — | Compliant |
| HARVEST VILLAGE NH1392290 | NASHUA | 175 | — | — | Compliant |
| GOODRICH PROPERTY NH0162350 | GLEN | 175 | — | — | Compliant |
| ROCHESTER CONSECUTIVE WTR SYS NH2001030 | ROCHESTER | 171 | — | — | Compliant |
| FREEDOM VILLAGE WATER PRECINCT NH0861010 | FREEDOM | 170 | — | — | Compliant |