PFAS contamination data for 1,691 water systems in South Dakota, serving 1,089,053 people.
South Dakota follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
SD follows federal EPA MCLs. Limited statewide PFAS data. Monitoring at Ellsworth AFB.
South Dakota follows federal EPA MCLs. PFAS monitoring at Ellsworth AFB area.
Free eligibility check — plus weekly MCL, deadline, and funding alerts for South Dakota.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| SIOUX FALLS SD4600294 | SIOUX FALLS | 216,462 | — | — | Compliant |
| RAPID CITY SD4600406 | RAPID CITY | 72,009 | — | — | Compliant |
| ABERDEEN SD4600020 | ABERDEEN | 27,989 | — | — | Compliant |
| BROOKINGS MUNICIPAL UTILITIES SD4600071 | BROOKINGS | 23,377 | — | — | Compliant |
| WATERTOWN MUNICIPAL UTILITIES SD4600356 | WATERTOWN | 23,230 | — | — | Compliant |
| WEB WATER DEVELOPMENT ASSOCIATION SD4601089 | ABERDEEN | 20,750 | — | — | Compliant |
| MITCHELL SD4600214 | MITCHELL | 15,651 | — | — | Compliant |
| YANKTON SD4600423 | YANKTON | 15,411 | — | — | Compliant |
| HURON SD4600169 | HURON | 14,263 | — | — | Compliant |
| PIERRE SD4600242 | PIERRE | 14,091 | — | — | Compliant |
| BOX ELDER SD4600046 | BOX ELDER | 14,000 | — | — | Compliant |
| MINNEHAHA COMMUNITY WATER CORP SD4600432 | DELL RAPIDS | 13,435 | — | — | Compliant |
| BY WATER DISTRICT SD4600865 | TABOR | 13,320 | — | — | Compliant |
| SPEARFISH SD4600311 | SPEARFISH | 12,193 | — | — | Compliant |
| MID-DAKOTA RURAL WATER SD4602175 | MILLER | 11,833 | — | — | Compliant |
| VERMILLION SD4600342 | VERMILLION | 11,695 | — | — | Compliant |
| RAPID VALLEY SANITARY DISTRICT SD4600274 | RAPID CITY | 11,408 | — | 5.7 | Exceeds |
| BRANDON SD4600048 | BRANDON | 11,048 | — | — | Compliant |
| HARRISBURG SD4600148 | HARRISBURG | 10,297 | — | — | Compliant |
| ELLSWORTH AFB SD4680004 | ELLSWORTH AFB | 9,100 | — | — | Compliant |
| PINE RIDGE WATER SYSTEM 084690475 | PINE RIDGE | 7,482 | — | — | Compliant |
| TEA SD4600409 | TEA | 7,381 | — | — | Compliant |
| STURGIS SD4600321 | STURGIS | 7,020 | — | — | Compliant |
| ELLSWORTH AIR FORCE BASE SD4600623 | ELLSWORTH AFB | 6,700 | — | — | Compliant |
| KYLE WATER SYSTEM 084690474 | PINE RIDGE | 6,526 | — | — | Compliant |
| KINGBROOK I RURAL WATER SYSTEM SD4600431 | ARLINGTON | 6,455 | — | — | Compliant |
| RANDALL COMMUNITY WATER DISTRICT SD4600433 | LAKE ANDES | 6,248 | — | — | Compliant |
| BROOKINGS-DEUEL RURAL WATER SYSTEM SD4600430 | TORONTO | 6,200 | — | — | Compliant |
| MADISON SD4600199 | MADISON | 6,191 | — | — | Compliant |
| LINCOLN COUNTY RURAL WATER SYSTEM SD4600304 | SIOUX FALLS | 5,965 | — | — | Compliant |
| BIG SIOUX COMMUNITY WATER SYSTEM SD4600429 | EGAN | 5,800 | — | — | Compliant |
| BON HOMME-YANKTON I RWS SD4600616 | TABOR | 5,790 | — | — | Compliant |
| BROWN-DAY-MARSHALL RWS SD4600882 | BRITTON | 5,673 | — | — | Compliant |
| BELLE FOURCHE SD4600037 | BELLE FOURCHE | 5,617 | — | — | Compliant |
| SICANGU MNI WICONI RURAL WATER SYSTEM 084690516 | ROSEBUD | 5,610 | — | — | Compliant |
| ROSEBUD RURAL WATER SYSTEM 084690528 | ROSEBUD | 5,500 | — | — | Compliant |
| RANDALL COMM WATER DIST PH 2 SD4600434 | LAKE ANDES | 5,400 | — | — | Compliant |
| SOUTH LINCOLN RURAL WATER SYSTEM SD4600870 | BERESFORD | 5,250 | — | — | Compliant |
| GRANT-ROBERTS RURAL WATER SYSTEM SD4600864 | MILBANK | 5,050 | — | — | Compliant |
| TRIPP COUNTY WATER USER DISTRICT SD4600520 | WINNER | 4,860 | — | — | Compliant |
| CLAY RURAL WATER SYSTEM SD4600626 | WAKONDA | 4,780 | — | — | Compliant |
| WR/LJ - MNI WICONI SD4602223 | MURDO | 4,720 | — | — | Compliant |
| BLACK HAWK WATER USER DISTRICT SD4600043 | BLACK HAWK | 4,500 | — | — | Compliant |
| TM RURAL WATER DISTRICT SD4600999 | PARKER | 4,250 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690475 | PINE RIDGE | 4,200 | — | — | Compliant |
| NPS-MOUNT RUSHMORE NATIONAL MEMORIAL SD4680046 | KEYSTONE | 4,100 | — | 10.6 | Exceeds |
| SIOUX RURAL WATER SYSTEM SD4600866 | WATERTOWN | 4,012 | — | — | Compliant |
| EAGLE BUTTE SD4600010 | EAGLE BUTTE | 4,000 | — | — | Compliant |
| DAKOTA DUNES CID SD4602093 | DAKOTA DUNES | 3,700 | — | — | Compliant |
| DELL RAPIDS SD4600105 | DELL RAPIDS | 3,633 | — | — | Compliant |
| OGLALA RWS PIPELINE 084690480 | PINE RIDGE | 3,562 | — | — | Compliant |
| MILBANK SD4600207 | MILBANK | 3,544 | — | — | Compliant |
| DAVISON RURAL WATER SYSTEM INC SD4601090 | MITCHELL | 3,485 | — | — | Compliant |
| HARTFORD SD4600150 | HARTFORD | 3,396 | — | — | Compliant |
| HOT SPRINGS SD4600163 | HOT SPRINGS | 3,395 | — | — | Compliant |
| MOBRIDGE SD4600215 | MOBRIDGE | 3,261 | — | — | Compliant |
| CANTON SD4600082 | CANTON | 3,066 | — | — | Compliant |
| NORTH SIOUX CITY SD4600226 | NORTH SIOUX CITY | 3,042 | — | — | Compliant |
| LEAD SD4602164 | LEAD | 2,982 | — | — | Compliant |
| WINNER SD4600373 | WINNER | 2,921 | — | — | Compliant |
| KINGBROOK III RURAL WATER SYSTEM SD4600874 | ARLINGTON | 2,888 | — | — | Compliant |
| AURORA-BRULE RURAL WATER SYSTEM SD4600621 | KIMBALL | 2,750 | — | — | Compliant |
| KINGBROOK II RURAL WATER SYSTEM SD4600511 | ARLINGTON | 2,715 | — | — | Compliant |
| HANSON RURAL WATER SYSTEM SD4600878 | EMERY | 2,685 | — | — | Compliant |
| LENNOX SD4600193 | LENNOX | 2,571 | — | — | Compliant |
| WR/LJ - NORTH STANLEY COUNTY SD4602224 | MURDO | 2,492 | — | — | Compliant |
| SISSETON SD4600310 | SISSETON | 2,479 | — | — | Compliant |
| CHAMBERLAIN SD4600086 | CHAMBERLAIN | 2,473 | — | — | Compliant |
| ST. FRANCIS 084690020 | ROSEBUD | 2,450 | — | — | Compliant |
| FLANDREAU SD4600127 | FLANDREAU | 2,372 | — | — | Compliant |
| BERESFORD SD4600386 | BERESFORD | 2,359 | — | — | Compliant |
| VOLGA SD4600346 | VOLGA | 2,340 | — | — | Compliant |
| CLARK RURAL WATER SYSTEM SD4600881 | CLARK | 2,325 | — | — | Compliant |
| WEBSTER WATER DEPT SD4600358 | WEBSTER | 2,236 | — | — | Compliant |
| REDFIELD SD4600277 | REDFIELD | 2,214 | — | — | Compliant |
| TRI-COUNTY RURAL WATER SYSTEM SD4600112 | EAGLE BUTTE | 2,190 | — | — | Compliant |
| WANBLEE EAST 084690021 | PINE RIDGE | 2,179 | — | — | Compliant |
| ELK POINT SD4600116 | ELK POINT | 2,124 | — | — | Compliant |
| FORT PIERRE SD4600130 | FORT PIERRE | 2,115 | — | — | Compliant |
| SPRINGFIELD SD4600317 | SPRINGFIELD | 2,108 | — | — | Compliant |
| LOWER BRULE RURAL WATER SUPPLY SYSTEM 084690441 | LOWER BRULE | 2,108 | — | — | Compliant |
| RANDALL III RURAL WATER SYSTEM SD4600435 | LAKE ANDES | 2,000 | — | — | Compliant |
| CUSTER SD4600101 | CUSTER | 1,919 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690494 | ROSEBUD | 1,745 | — | — | Compliant |
| WEBSTER SD4600360 | WEBSTER | 1,696 | — | — | Compliant |
| WHITE HORSE CREEK WATER SYSTEM 084690022 | PINE RIDGE | 1,690 | — | — | Compliant |
| PARKSTON SD4600236 | PARKSTON | 1,567 | — | — | Compliant |
| MISSION WATER SYSTEM 084690532 | MISSION | 1,500 | — | — | Compliant |
| MARTIN SD4600202 | MARTIN | 1,500 | — | — | Compliant |
| ANTELOPE(MISSION) WATER SYSTEM 084690506 | BOX 147, ROSEBUD | 1,500 | — | — | Compliant |
| WAGNER SD4600348 | WAGNER | 1,490 | — | — | Compliant |
| BUTTE-MEADE SWD-BEAN WELL SD4600223 | NEWELL | 1,481 | — | — | Compliant |
| WOLF CREEK SCHOOL 084690538 | BATESLAND | 1,450 | — | — | Compliant |
| CLAY RWS/SOUTH UNION SD4602185 | WAKONDA | 1,447 | — | — | Compliant |
| GROTON SD4600147 | GROTON | 1,380 | — | — | Compliant |
| CROOKS SD4600391 | CROOKS | 1,362 | — | — | Compliant |
| FORT THOMPSON WATER SYSTEM 084690440 | FORT THOMPSON | 1,357 | — | — | Compliant |
| MILLER SD4600211 | MILLER | 1,349 | — | — | Compliant |
| FREEMAN SD4600134 | FREEMAN | 1,329 | — | — | Compliant |
| SALEM SD4600288 | SALEM | 1,325 | — | — | Compliant |
| NORTH SIOUX CITY - MCCOOK LAKE SYSTE SD4600177 | MCCOOK LAKE | 1,300 | — | — | Compliant |
| BALTIC SD4600034 | BALTIC | 1,271 | — | — | Compliant |
| PLATTE SD4600246 | PLATTE | 1,256 | — | — | Compliant |
| LAKOTA TECH HIGH SCHOOL SD4600332 | BATESLAND | 1,250 | — | — | Compliant |
| GARRETSON SD4600138 | GARRETSON | 1,228 | — | — | Compliant |
| GREGORY SD4600145 | GREGORY | 1,221 | — | — | Compliant |
| CLEAR LAKE SD4600092 | CLEAR LAKE | 1,218 | — | — | Compliant |
| BRITTON SD4600388 | BRITTON | 1,215 | — | — | Compliant |
| AURORA SD4600058 | AURORA | 1,200 | — | — | Compliant |
| COLONIAL PINE HILLS SANITARY DISTRIC SD4600263 | RAPID CITY | 1,200 | — | — | Compliant |
| OLD AGENCY WATER SYSTEM 084690458 | AGENCY VILLAGE | 1,180 | — | — | Compliant |
| WR/LJ - CREIGHTON PROJECT SD4602156 | PHILIP | 1,170 | — | — | Compliant |
| GETTYSBURG SD4600142 | GETTYSBURG | 1,162 | — | — | Compliant |
| DEADWOOD SD4600104 | DEADWOOD | 1,156 | — | — | Compliant |
| LEMMON SD4600192 | LEMMON | 1,156 | — | — | Compliant |
| CLARK SD4600091 | CLARK | 1,148 | — | — | Compliant |
| SIOUX I RURAL WATER SYSTEM (SIOUX) SD4600436 | WATERTOWN | 1,125 | — | — | Compliant |
| NORTHDALE SANITARY DISTRICT SD4600514 | PIEDMONT | 1,075 | — | — | Compliant |
| FALL RIVER WUD SD4602201 | ORAL | 1,057 | — | — | Compliant |
| DE SMET SD4600059 | DE SMET | 1,056 | — | — | Compliant |
| PARKER SD4600235 | PARKER | 1,025 | — | — | Compliant |
| LOWER BRULE TRIBAL OFFICE SD4690441 | LOWER BRULE | 1,020 | — | — | Compliant |
| TYNDALL SD4600337 | TYNDALL | 1,012 | — | — | Compliant |
| CROW CREEK WATER COMMISSION SD4690440 | FORT THOMPSON | 1,000 | — | — | Compliant |
| SAINT FRANCIS SD4600330 | ST. FRANCIS | 1,000 | — | — | Compliant |
| PIEDMONT SD4602303 | PIEDMONT | 971 | — | — | Compliant |
| WORTHING SD4600377 | WORTHING | 939 | — | — | Compliant |
| ST FRANCIS WATER AUTHORITY SD4690499 | ROSEBUD | 935 | — | — | Compliant |
| ST FRANCIS WATER AUTHORITY 084690499 | ROSEBUD | 935 | — | — | Compliant |
| IPSWICH SD4600397 | IPSWICH | 928 | — | — | Compliant |
| VALLEY SPRINGS SD4600340 | VALLEY SPRINGS | 925 | — | — | Compliant |
| CENTERVILLE SD4600085 | CENTERVILLE | 918 | — | — | Compliant |
| ARLINGTON SD4600385 | ARLINGTON | 915 | — | — | Compliant |
| MISSION SD4600401 | MISSION | 904 | — | — | Compliant |
| PRAIRIE VIEW PARK ND2700982 | RAPID CITY | 900 | — | — | Compliant |
| WESSINGTON SPRINGS SD4600362 | WESSINGTON SPRINGS | 895 | — | — | Compliant |
| MARION SD4600201 | MARION | 894 | — | — | Compliant |
| WHITEWOOD SD4600368 | WHITEWOOD | 879 | — | — | Compliant |
| HILL CITY SD4600159 | HILL CITY | 872 | — | — | Compliant |
| MINA LAKE SANITARY DISTRICT SD4600501 | ABERDEEN | 863 | — | — | Compliant |
| HOWARD SD4600165 | HOWARD | 848 | — | — | Compliant |
| ALCESTER SD4600004 | ALCESTER | 820 | — | — | Compliant |
| VIBORG SD4600343 | VIBORG | 814 | — | — | Compliant |
| EUREKA SD4600121 | EUREKA | 813 | — | — | Compliant |
| FORT MEADE VA CENTER SD4680002 | FORT MEADE | 800 | — | — | Compliant |
| RANDALL COMM WATER DIST PH 1 SD4607014 | LAKE ANDES | 800 | — | — | Compliant |
| SCOTLAND SD4600290 | SCOTLAND | 785 | — | — | Compliant |
| PLANKINTON SD4600245 | PLANKINTON | 782 | — | — | Compliant |
| WANBLEE WATER SYSTEM 084690471 | PINE RIDGE | 773 | — | — | Compliant |
| PORCUPINE DAY SCHOOL 084690469 | PINE RIDGE | 767 | — | — | Compliant |
| PHILIP SD4600238 | PHILIP | 759 | — | — | Compliant |
| ELKTON SD4600117 | ELKTON | 755 | — | — | Compliant |
| SD DEVELOPMENT CENTER-REDFIELD SD4600503 | REDFIELD | 750 | — | — | Compliant |
| ESTELLINE SD4600119 | ESTELLINE | 749 | — | — | Compliant |
| COLTON SD4600390 | COLTON | 738 | — | — | Compliant |
| WHITEWOOD, TOWN OF SD4600369 | WHITEWOOD | 732 | — | — | Compliant |
| EDGEMONT SD4600114 | EDGEMONT | 725 | — | — | Compliant |
| LAKE ANDES SD4600185 | LAKE ANDES | 710 | — | — | Compliant |
| WALL SD4600417 | WALL | 699 | — | — | Compliant |
| ARMOUR SD4600028 | ARMOUR | 698 | — | — | Compliant |
| CASTLEWOOD SD4600002 | CASTLEWOOD | 698 | — | — | Compliant |
| FAULKTON SD4600125 | FAULKTON | 693 | — | — | Compliant |
| HIGHMORE SD4600158 | HIGHMORE | 682 | — | — | Compliant |
| NEW UNDERWOOD SD4600224 | NEW UNDERWOOD | 679 | — | — | Compliant |
| ONIDA SD4600233 | ONIDA | 658 | — | — | Compliant |
| MANDERSON WATER SYSTEM 084690479 | PINE RIDGE | 650 | — | — | Compliant |
| SUN VALLEY DEVELOPMENT SD4602270 | RAPID CITY | 650 | — | — | Compliant |
| ALEXANDRIA SD4600062 | ALEXANDRIA | 649 | — | — | Compliant |
| SELBY SD4600291 | SELBY | 645 | — | — | Compliant |
| CANISTOTA SD4600080 | CANISTOTA | 642 | — | — | Compliant |
| COLMAN SD4600093 | COLMAN | 634 | — | — | Compliant |
| WOONSOCKET SD4600376 | WOONSOCKET | 618 | — | — | Compliant |
| MENNO SD4600205 | MENNO | 614 | — | — | Compliant |
| CLARK RURAL WATER-KAMPESKA SD4602277 | CLARK | 602 | — | — | Compliant |
| AVON SD4600031 | AVON | 590 | — | — | Compliant |
| LAKE PRESTON SD4600398 | LAKE PRESTON | 589 | — | — | Compliant |
| NEWELL SD4600222 | NEWELL | 583 | — | — | Compliant |
| HUMBOLDT SD4600167 | HUMBOLDT | 579 | — | — | Compliant |
| BURKE SD4600079 | BURKE | 575 | — | — | Compliant |
| TRIPP SD4600334 | TRIPP | 575 | — | — | Compliant |
| KIMBALL SD4600184 | KIMBALL | 572 | — | — | Compliant |
| MCLAUGHLIN SD4600198 | MCLAUGHLIN | 569 | — | — | Compliant |
| CORSICA SD4600097 | CORSICA | 561 | — | — | Compliant |
| LAKE NORDEN SD4600187 | LAKE NORDEN | 554 | — | — | Compliant |
| KADOKA SD4600181 | KADOKA | 543 | — | — | Compliant |
| WHITE RIVER SD4600367 | WHITE RIVER | 533 | — | — | Compliant |
| CROW CREEK TRIBAL SCHOOL 084690437 | STEPHAN | 516 | — | — | Compliant |
| BRIDGEWATER SD4600066 | BRIDGEWATER | 511 | — | — | Compliant |
| RED CLOUD SCHOOL 084690512 | PINE RIDGE | 501 | — | — | Compliant |
| TIMBER LAKE SD4600411 | TIMBER LAKE | 499 | — | — | Compliant |
| WHITE SD4600364 | WHITE | 499 | — | — | Compliant |
| DUPREE SD4600110 | DUPREE | 494 | — | — | Compliant |
| SOUTHERN BLACK HILLS WATER SD4602309 | HOT SPRINGS | 492 | — | — | Compliant |
| HISEGA MEADOWS WATER INC SD4600271 | RAPID CITY | 491 | — | — | Compliant |
| MURDO SD4600221 | MURDO | 488 | — | — | Compliant |
| WARNER SD4600418 | WARNER | 485 | — | — | Compliant |
| EMERY SD4600118 | EMERY | 480 | — | — | Compliant |
| HOLIDAY PARK SD4600309 | SIOUX FALLS | 480 | — | — | Compliant |
| JEFFERSON SD4600060 | JEFFERSON | 475 | — | — | Compliant |
| WAUBAY SD4600357 | WAUBAY | 473 | — | — | Compliant |
| PRESHO SD4600248 | PRESHO | 472 | — | — | Compliant |
| BRYANT SD4600076 | BRYANT | 471 | — | — | Compliant |
| WR/LJ - LOWER BRULE SD4602193 | MURDO | 471 | — | — | Compliant |
| BOWDLE SD4600008 | BOWDLE | 470 | — | — | Compliant |
| PERKINS COUNTY RURAL WATER SD4602228 | BISON | 470 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690474 | PINE RIDGE | 468 | — | — | Compliant |
| MONTROSE SD4600217 | MONTROSE | 468 | — | — | Compliant |
| SPRING CREEK SANITARY DISTRICT SD4602089 | PIERRE | 465 | — | — | Compliant |
| MOUNT VERNON SD4600220 | MOUNT VERNON | 461 | — | — | Compliant |
| WOLSEY SD4600375 | WOLSEY | 459 | — | — | Compliant |
| BEAR BUTTE VALLEY WATER SD4602334 | STURGIS | 450 | — | — | Compliant |
| EVERGREEN WATER SYSTEM 084690477 | PINE RIDGE | 450 | — | — | Compliant |
| HOT SPRINGS VA CENTER SD4680003 | HOT SPRINGS | 445 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690471 | PINE RIDGE | 440 | — | — | Compliant |
| HART RANCH SD4600910 | RAPID CITY | 438 | — | — | Compliant |
| LEOLA SD4600194 | LEOLA | 434 | — | — | Compliant |
| WILMOT SD4600371 | WILMOT | 432 | — | — | Compliant |
| PINE GROVE SD4600948 | RAPID CITY | 425 | — | — | Compliant |
| TABOR SD4600327 | TABOR | 423 | — | — | Compliant |
| IRENE SD4600173 | IRENE | 422 | — | — | Compliant |
| HERMOSA-OLD SYSTEM SD4600154 | HERMOSA | 420 | — | — | Compliant |
| ALLEN WATER SYSTEM 084690481 | PINE RIDGE | 420 | — | — | Compliant |
| MARTY WATER SYSTEM 084690533 | WAGNER | 420 | — | — | Compliant |
| SOUTH CANYON COUNTRY ESTATES SD4600627 | RAPID CITY | 420 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690479 | PINE RIDGE | 418 | — | — | Compliant |
| HERREID SD4600155 | HERREID | 416 | — | — | Compliant |
| BIG STONE CITY SD4600007 | BIG STONE CITY | 412 | — | — | Compliant |
| WESTON HEIGHTS HOMEOWNERS ASSOCIATIO SD4600862 | PIEDMONT | 412 | — | — | Compliant |
| PARMELEE WATER SYSTEM 084690488 | ROSEBUD | 407 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISION SD4690488 | ROSEBUD | 407 | — | — | Compliant |
| AMERICAN HORSE SCHOOL 084690466 | ALLEN | 400 | — | — | Compliant |
| TERRY TROJAN WATER DISTRICT SD4600053 | BLACK HAWK | 400 | — | — | Compliant |
| HERMOSA-NEW SYSTEM SD4602268 | HERMOSA | 400 | — | — | Compliant |
| WHITE LAKE, TOWN OF SD4600365 | WHITE LAKE | 395 | — | — | Compliant |
| HAYTI SD4600151 | HAYTI | 393 | — | — | Compliant |
| GAYVILLE SD4600140 | GAYVILLE | 392 | — | — | Compliant |
| LAKE TRAVERSE UTILITY COMM SD4690458 | PEEVER | 390 | — | — | Compliant |
| OACOMA SD4600229 | OACOMA | 386 | — | — | Compliant |
| SUNRISE WATER SYSTEM 084690033 | PINE RIDGE | 380 | — | — | Compliant |
| HURLEY SD4600168 | HURLEY | 379 | — | — | Compliant |
| ROSHOLT SD4600283 | ROSHOLT | 379 | — | — | Compliant |
| FLANDREAU SCHOOL 084690465 | FLANDREAU | 375 | — | — | Compliant |
| THE RANCH AT BLACK GAP SD4602203 | RAPID CITY | 375 | — | — | Compliant |
| FAITH SD4600124 | FAITH | 367 | — | — | Compliant |
| AMERICAN HORSE CREEK 084690023 | PINE RIDGE | 365 | — | — | Compliant |
| CHESTER SANITARY DISTRICT SD4600088 | EGAN | 363 | — | — | Compliant |
| LONEMAN SCHOOL 084690470 | PINE RIDGE | 362 | — | — | Compliant |
| WHITE LAKE SD4600366 | WHITE LAKE | 359 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690477 | PINE RIDGE | 358 | — | — | Compliant |
| BUTTE-MEADE SWD-VALE WELL SD4602314 | NEWELL | 357 | — | — | Compliant |
| BLUNT SD4600044 | MILLER | 350 | — | — | Compliant |
| KEYSTONE SD4601082 | KEYSTONE | 349 | — | — | Compliant |
| HOVEN SD4600164 | HOVEN | 346 | — | — | Compliant |
| BUFFALO SD4600078 | BUFFALO | 346 | — | — | Compliant |
| COUNTRY VILLAGE PARK SD4600021 | ABERDEEN | 340 | — | — | Compliant |
| ROCKYFORD ELEMENTARY SCHOOL SD4600936 | PORCUPINE | 340 | — | — | Compliant |
| FLORENCE SD4600128 | FLORENCE | 337 | — | — | Compliant |
| BLUCKSBERG MOUNTAIN #2 SD4602366 | PIEDMONT | 333 | — | — | Compliant |
| HUDSON SD4600166 | HUDSON | 332 | — | — | Compliant |
| COLOME SD4600094 | COLOME | 323 | — | — | Compliant |
| HAY CREEK WATER COMPANY SD4602143 | BELLE FOURCHE | 323 | — | — | Compliant |
| STICKNEY SD4600318 | STICKNEY | 321 | — | — | Compliant |
| VALLEY HEIGHTS ESTATES INC SD4602361 | STURGIS | 320 | — | — | Compliant |
| PINE LAKE HILLS SD4600624 | SIOUX FALLS | 320 | — | — | Compliant |
| ETHAN SD4600120 | ETHAN | 320 | — | — | Compliant |
| VEBLEN SD4600341 | VEBLEN | 317 | — | — | Compliant |
| PINE RIDGE HOSPITAL 084690485 | PINE RIDGE | 316 | — | — | Compliant |
| BISON SD4600039 | BISON | 310 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690480 | PINE RIDGE | 308 | — | — | Compliant |
| PRAIRIEWOOD PROPERTY OWNERS SD4602125 | ABERDEEN | 300 | — | — | Compliant |
| PINE VIEW SD4600306 | SIOUX FALLS | 300 | — | — | Compliant |
| IROQUOIS SD4600174 | IROQUOIS | 292 | — | — | Compliant |
| SUMMIT SD4600326 | SUMMIT | 288 | — | — | Compliant |
| BRISTOL SD4600067 | BRISTOL | 288 | — | — | Compliant |
| GOLDEN VALLEY WATER COMPANY SD4602261 | BLACK HAWK | 283 | — | — | Compliant |
| LANGFORD SD4600189 | LANGFORD | 283 | — | — | Compliant |
| MOUNTAIN VIEW ESTATES SD4600325 | STURGIS | 282 | — | — | Compliant |
| WOUNDED KNEE DISTRICT SCHOOL 084690467 | MANDERSON | 280 | — | — | Compliant |
| MARION MANOR SD4600427 | SIOUX FALLS | 280 | — | — | Compliant |
| WAKONDA SD4600349 | WAKONDA | 276 | — | — | Compliant |
| BONESTEEL SD4600045 | BONESTEEL | 275 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690481 | PINE RIDGE | 275 | — | — | Compliant |
| MURRAY WATER COMPANY SD4600323 | STURGIS | 270 | — | — | Compliant |
| ROSCOE SD4600282 | ROSCOE | 269 | — | — | Compliant |
| MOUNTAIN PLAINS 2 HOMEOWNERS ASSOC SD4602169 | SPEARFISH | 268 | — | — | Compliant |
| PUKWANA SD4600250 | CHAMBERLAIN | 267 | — | — | Compliant |
| CHANCELLOR SD4600087 | CHANCELLOR | 266 | — | — | Compliant |
| OKREEK WATER SYSTEM 084690493 | ROSEBUD | 265 | — | — | Compliant |
| LONG HOLLOW WATER SYSTEM 084690457 | AGENCY VILLAGE | 265 | — | — | Compliant |
| KENNEBEC SD4600182 | KENNEBEC | 265 | — | — | Compliant |
| HAPPY HOLIDAY RV RESORT SD4600669 | RAPID CITY | 264 | — | — | Compliant |
| LAKE ANDES TRIBAL HOUSING WATER SYSTEM 084690534 | WAGNER | 264 | — | — | Compliant |
| SUNSET RANCH SD4602263 | PIEDMONT | 263 | — | — | Compliant |
| TRAIL WEST SANITARY DISTRICT SD4600239 | BLACK HAWK | 260 | — | — | Compliant |
| RAINBOW WATER COMPANY SD4602216 | PIEDMONT | 258 | — | — | Compliant |
| OAHE PLAINS SYSTEMS CORPORATION SD4600619 | PIERRE | 257 | — | — | Compliant |
| HENRY SD4600153 | HENRY | 256 | — | — | Compliant |
| SAINT ONGE SEWER & WATER CO SD4600287 | SPEARFISH | 255 | — | — | Compliant |
| WILLOW LAKE SD4600370 | WILLOW LAKE | 255 | — | — | Compliant |
| WOUNDED KNEE WATER SYSTEM 084690478 | PINE RIDGE | 255 | — | — | Compliant |
| WOODLAND HILLS SANITARY DISTRICT SD4600042 | BLACK HAWK | 255 | — | — | Compliant |
| TMT, INC. SD4602154 | PIERRE | 250 | — | — | Compliant |
| VALLEY VIEW WATER COMPANY SD4600040 | PIEDMONT | 248 | — | — | Compliant |
| NEW EFFINGTON SD4600013 | NEW EFFINGTON | 247 | — | — | Compliant |
| EGAN SD4600115 | EGAN | 241 | — | — | Compliant |
| BRUCE SD4600622 | BRUCE | 240 | — | — | Compliant |
| GAS LITE MANOR SD4600298 | SIOUX FALLS | 240 | — | — | Compliant |
| GARY SD4600139 | GARY | 240 | — | — | Compliant |
| PRAIRIE VILLA MOBILE HOME PARK SD4600170 | HURON | 240 | — | — | Compliant |
| WR/LJ - KADOKA PROJECT SD4602168 | MURDO | 237 | — | — | Compliant |
| SUNNYSIDE MOBILE HOME PARK II SD4602001 | PIEDMONT | 235 | — | — | Compliant |
| PIERRE INDIAN LEARNING CENTER 084690027 | PIERRE | 235 | — | — | Compliant |
| DRY CREEK ESTATES SD4602241 | BLACK HAWK | 233 | — | — | Compliant |
| PICKSTOWN SD4680001 | PICKSTOWN | 230 | — | — | Compliant |
| VALLEY VIEW ESTATES SD4600300 | SIOUX FALLS | 230 | — | — | Compliant |
| ENEMY SWIM WATER SYSTEM 084690460 | AGENCY VILLAGE | 230 | — | — | Compliant |
| POLLOCK SD4600247 | POLLOCK | 229 | — | — | Compliant |
| PINE CREST SD4600308 | SIOUX FALLS | 225 | — | — | Compliant |
| BLUCKSBERG MOUNTAIN #1 SD4600324 | PIEDMONT | 223 | — | — | Compliant |
| VIEWFIELD RURAL WATER SYSTEM SD4602287 | BLACK HAWK | 220 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690478 | PINE RIDGE | 220 | — | — | Compliant |
| CARTHAGE SD4600083 | IROQUOIS | 218 | — | — | Compliant |
| TORONTO TOWN OF SD4600413 | TORONTO | 216 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690490 | ROSEBUD | 215 | — | — | Compliant |
| FREDERICK SD4600133 | FREDERICK | 215 | — | — | Compliant |
| ALPENA SD4600025 | MILLER | 212 | — | — | Compliant |
| TULARE SD4600335 | MILLER | 211 | — | — | Compliant |
| PLAINSVIEW MOBILE MANOR SD4600259 | BLACK HAWK | 210 | — | — | Compliant |
| HECLA SD4600152 | HECLA | 208 | — | — | Compliant |
| TRENT SD4600333 | TRENT | 206 | — | — | Compliant |
| WR/LJ - CITY OF RELIANCE SD4600279 | MURDO | 206 | — | — | Compliant |
| NISLAND SD4600225 | NISLAND | 206 | — | — | Compliant |
| HE DOG SCHOOL SD4602037 | MISSION | 202 | — | — | Compliant |
| WAGNER SOUTH HOUSING WATER SYSTEM 084690536 | WAGNER | 200 | — | — | Compliant |
| HUMAN SERVICE CENTER SD4600502 | YANKTON | 200 | — | — | Compliant |
| PINE HILLS PARK SD4600041 | SUMMERSET | 200 | — | — | Compliant |
| DOLAND SD4600108 | DOLAND | 199 | — | — | Compliant |
| MELLETTE SD4600204 | REDFIELD | 199 | — | — | Compliant |
| UPLAND COLONY SD4602077 | ARTESIAN | 198 | — | — | Compliant |
| SAINT LAWRENCE SD4600286 | MILLER | 198 | — | — | Compliant |
| BAD RIVER RURAL WATER SYSTEM SD4600869 | PHILIP | 195 | — | — | Compliant |
| EAGLE NEST HOMES 084690025 | PINE RIDGE | 195 | — | — | Compliant |
| RENDEZVOUS RANCH SD4602210 | BLACK HAWK | 195 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690493 | ROSEBUD | 193 | — | — | Compliant |
| FRANKFORT SD4600132 | FRANKFORT | 192 | — | — | Compliant |
| LANTERN ESTATES SD4600315 | SPEARFISH | 192 | — | — | Compliant |
| MISSION HILL SD4600212 | MISSION HILL | 190 | — | — | Compliant |
| SOUTH SHORE SD4602068 | SOUTH SHORE | 189 | — | — | Compliant |
| HERITAGE PARK SD4600587 | BLACK HAWK | 188 | — | — | Compliant |
| EAST GREGORY RURAL WATER SYSTEM SD4600873 | FAIRFAX | 188 | — | — | Compliant |
| WENTWORTH SD4600419 | EGAN | 181 | — | — | Compliant |
| ROSLYN SD4600284 | ROSLYN | 181 | — | — | Compliant |
| WATERTOWN MOBILE ESTATES SD4600355 | WATERTOWN | 180 | — | — | Compliant |
| PINE CLIFF ESTATES SD4600270 | BLACK HAWK | 180 | — | — | Compliant |
| EAST WINDS COURT, INC. SD4602099 | YANKTON | 180 | — | — | Compliant |
| OAKS WATER USERS ASSOCIATION SD4602135 | NEW UNDERWOOD | 180 | — | — | Compliant |
| WALNUT PARK SD4600316 | SPEARFISH | 180 | — | — | Compliant |
| SOO DELL SD4600302 | SIOUX FALLS | 180 | — | — | Compliant |
| HORSESHOE ACRES WATER ASSOCIATION SD4602266 | PIEDMONT | 180 | — | — | Compliant |
| APPLE SPRINGS SUBDIVISION SD4602318 | HILL CITY | 180 | — | — | Compliant |
| WAGNER NORTH HOUSING WATER SYSTEM 084690535 | WAGNER | 180 | — | — | Compliant |
| PARADISE WATER COMPANY LLC SD4602323 | LEAD | 178 | — | — | Compliant |
| WINNER HOUSING 084690526 | ROSEBUD | 176 | — | — | Compliant |
| RIV-R-LAND WATER COMPANY SD4600519 | JEFFERSON | 175 | — | — | Compliant |
| ENCHANTED HILLS WATER ASSOCIATION SD4600266 | RAPID CITY | 175 | — | — | Compliant |
| SPRING CREEK ACRES SD4602252 | BLACK HAWK | 172 | — | — | Compliant |
| STRATO RIM ESTATES WATER COMPANY SD4602191 | RAPID CITY | 170 | — | — | Compliant |
| RAPID CITY MOBILE HOME PARK SD4600257 | BLACK HAWK | 170 | — | — | Compliant |
| WESSINGTON SD4600361 | WESSINGTON | 170 | — | — | Compliant |
| SPENCER SD4600407 | SPENCER | 170 | — | — | Compliant |
| RUSHMORE RANCH ESTATES SD4602212 | BLACK HAWK | 168 | — | — | Compliant |
| T C & G RURAL WATER SYSTEM SD4600143 | MOBRIDGE | 166 | — | — | Compliant |
| WESTERN ESTATES SD4600074 | BROOKINGS | 165 | — | — | Compliant |
| PEEVER SD4600237 | BRITTON | 164 | — | — | Compliant |
| HOSMER SD4600162 | HOSMER | 164 | — | — | Compliant |
| SPEARFISH VALLEY MOBILE ESTATES SD4600625 | SPEARFISH | 163 | — | — | Compliant |
| CANYON SPRINGS WATER AND SEWER DISTR SD4602311 | BLACK HAWK | 163 | — | — | Compliant |
| MONROE SD4600216 | MONROE | 163 | — | — | Compliant |
| VOLIN SD4600347 | VOLIN | 161 | — | — | Compliant |
| WHITEWOOD FOREST ACRES SD4602354 | WHITEWOOD | 160 | — | — | Compliant |
| PICKSTOWN SD4608001 | PICKSTOWN | 160 | — | — | Compliant |
| LETCHER SD4600196 | LETCHER | 159 | — | — | Compliant |
| RAMONA SD4600252 | ARLINGTON | 159 | — | — | Compliant |
| TIMBERWOOD PARK ESTATES SD4602272 | PIEDMONT | 158 | — | — | Compliant |
| YANKTON SIOUX HOUSING AUTH SD4690485 | WAGNER | 156 | — | — | Compliant |
| HARROLD SD4600149 | HARROLD | 155 | — | — | Compliant |
| WESTBERRY TRAILS WATER USERS ASSOC SD4600253 | PIEDMONT | 155 | — | — | Compliant |
| ASHTON SD4600029 | ASHTON | 154 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690492 | ROSEBUD | 154 | — | — | Compliant |
| DELMONT SD4600106 | DELMONT | 153 | — | — | Compliant |
| CAMELOT SD4600506 | PIERRE | 152 | — | — | Compliant |
| DEERFIELD COLONY SD4602056 | IPSWICH | 150 | — | — | Compliant |
| SWIFT BIRD WATER SYSTEM 084690446 | EAGLE BUTTE | 150 | — | — | Compliant |
| MORROW CROSSING MHC MI0040247 | SIOUX FALLS | 150 | — | — | Compliant |
| ASTORIA SD4600005 | ASTORIA | 150 | — | — | Compliant |
| COACHMAN`S MANOR SD4600033 | SIOUX FALLS | 150 | — | — | Compliant |
| UNIVERSITY ESTATES SD4600075 | BROOKINGS | 150 | — | — | Compliant |
| MAXWELL COLONY SD4602023 | SCOTLAND | 150 | — | — | Compliant |
| CHEYENNE RIVER WATER AUTHORITY SD4690446 | EAGLE BUTTE | 150 | — | — | Compliant |
| CLEGHORN SPRINGS SD4600262 | RAPID CITY | 150 | — | — | Compliant |
| BATESLAND SD4600036 | MARTIN | 148 | — | — | Compliant |
| ISABEL SD4600175 | ISABEL | 145 | — | — | Compliant |
| YANKTON SIOUX HOUSING AUTH SD4690486 | WAGNER | 145 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690482 | PINE RIDGE | 143 | — | — | Compliant |
| NORTHVILLE SD4600227 | NORTHVILLE | 143 | — | — | Compliant |
| FORDHAM COLONY SD4602064 | CARPENTER | 142 | — | — | Compliant |
| CONDE SD4600096 | CONDE | 142 | — | — | Compliant |
| SPRING VALLEY COLONY SD4602016 | WESSINGTON SPRINGS | 140 | — | — | Compliant |
| MILLERDALE COLONY SD4602072 | MILLER | 140 | — | — | Compliant |
| WEEG'S TRAILER COURT SD4600299 | SIOUX FALLS | 140 | — | — | Compliant |
| SUNSET COLONY SD4602025 | BRITTON | 140 | — | — | Compliant |
| HIGH MEADOWS WATER COMPANY SD4600395 | BLACK HAWK | 140 | — | — | Compliant |
| RIVERSIDE ACRES SD4600054 | YANKTON | 140 | — | — | Compliant |
| GLENHAM SD4600144 | GLENHAM | 139 | — | — | Compliant |
| ANDOVER SD4600026 | ANDOVER | 139 | — | — | Compliant |
| BRENTWOOD COLONY SD4602066 | FAULKTON | 137 | — | — | Compliant |
| BLACK HILLS WATER DISTRIBUTION, LLC SD4602144 | BELLE FOURCHE | 135 | — | — | Compliant |
| BLUMENGARD COLONY SD4602057 | FAULKTON | 133 | — | — | Compliant |
| OLDHAM SD4600231 | ARLINGTON | 133 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690489 | ROSEBUD | 132 | — | — | Compliant |
| GRASSLAND COLONY SD4602028 | WESTPORT | 130 | — | — | Compliant |
| CROW CREEK SIOUX TRIBE WATER SYSTEM 084690439 | FORT THOMPSON | 130 | — | — | Compliant |
| NEWPORT COLONY SD4602029 | CLAREMONT | 130 | — | — | Compliant |
| LAKE TRAVERSE UTILITY COMM SD4690460 | PEEVER | 130 | — | — | Compliant |
| PIERPONT SD4600241 | PIERPONT | 129 | — | — | Compliant |
| PEEVER FLATS WATER SYSTEM 084690461 | AGENCY VILLAGE | 129 | — | — | Compliant |
| YALE SD4600378 | IROQUOIS | 128 | — | — | Compliant |
| BUFFALO GAP SD4600077 | BUFFALO GAP | 126 | — | — | Compliant |
| PINE KNOLL SD4600307 | SIOUX FALLS | 125 | — | — | Compliant |
| RED ROCKS WATER SYSTEM 084690032 | PINE RIDGE | 125 | — | — | Compliant |
| DEER MOUNTAIN SANITARY DISTRICT SD4600549 | LEAD | 125 | — | — | Compliant |
| PLATTE COLONY SD4602013 | ACADEMY | 123 | — | — | Compliant |
| WOLF CREEK COLONY SD4602021 | OLIVET | 123 | — | — | Compliant |
| FAIRFAX SD4600122 | FAIRFAX | 123 | — | — | Compliant |
| ROLLING DICE SUBDIVISION SD4602249 | PIEDMONT | 122 | — | — | Compliant |
| JAVA SD4600176 | JAVA | 121 | — | — | Compliant |
| BON HOMME COLONY SD4602024 | TABOR | 120 | — | — | Compliant |
| SINAI SD4600293 | ARLINGTON | 120 | — | — | Compliant |
| MIDLAND SD4600012 | MIDLAND | 120 | — | — | Compliant |
| GREEN BRIAR COURT SD4600213 | MISSION HILL | 120 | — | — | Compliant |
| PELICAN PLAZA SD4600354 | WATERTOWN | 120 | — | — | Compliant |
| CLEARFIELD COLONY SD4602020 | DELMONT | 120 | — | — | Compliant |
| THUNDERBIRD HB INC SD4602049 | WECOTA | 120 | — | — | Compliant |
| CEDAR GROVE COLONY SD4602008 | PLATTE | 120 | — | — | Compliant |
| VALE SANITARY DISTRICT SD4600415 | VALE | 120 | — | — | Compliant |
| VILLAGE OF SANTEE NE3110710 | WAGNER | 120 | — | — | Compliant |
| JAMESVILLE COLONY SD4602018 | UTICA | 120 | — | — | Compliant |
| EVERGREEN COLONY SD4602050 | FAULKTON | 120 | — | — | Compliant |
| PEMBROOK COLONY-SHOP WELL SYSTEM SD4602054 | IPSWICH | 120 | — | — | Compliant |
| PEMBROOK COLONY-EAST WELL SYSTEM SD4602055 | IPSWICH | 120 | — | — | Compliant |
| HOFFMAN TRAILER COURT SD4607068 | JEFFERSON | 120 | — | — | Compliant |
| REVILLO SD4600280 | REVILLO | 119 | — | — | Compliant |
| NEWDALE COLONY SD4602081 | ELKTON | 119 | — | — | Compliant |
| LAKEVIEW COLONY SD4602017 | LAKE ANDES | 118 | — | — | Compliant |
| OELRICHS SD4600230 | OELRICHS | 117 | — | — | Compliant |
| LESTERVILLE SD4600195 | LESTERVILLE | 115 | — | — | Compliant |
| SPRING LAKE COLONY SD4602076 | ARLINGTON | 114 | — | — | Compliant |
| CAVOUR SD4600084 | IROQUOIS | 114 | — | — | Compliant |
| HITCHCOCK SD4600161 | MILLER | 112 | — | — | Compliant |
| COUNTRY ROAD ESTATES SD4602204 | BLACK HAWK | 112 | — | — | Compliant |
| MCINTOSH SD4600197 | MCINTOSH | 111 | — | — | Compliant |
| WITTEN SD4600374 | WITTEN | 110 | — | — | Compliant |
| WESTWOOD COLONY SD4602353 | BRITTON | 110 | — | — | Compliant |
| WESTLINE WATER/GOLF COURSE SD4600206 | SISSETON | 110 | — | — | Compliant |
| ROSEDALE COLONY SD4602015 | MITCHELL | 110 | — | — | Compliant |
| KEN'S TRAILER COURT SD4600314 | SPEARFISH | 110 | — | — | Compliant |
| SKYLINE HEIGHTS SD4600297 | SIOUX FALLS | 110 | — | — | Compliant |
| WR/LJ - MELLETTE WEST PROJECT SD4602208 | MURDO | 110 | — | — | Compliant |
| HERMOSA WATER USERS ASSOCIATION SD4602180 | HERMOSA | 108 | — | — | Compliant |
| MILLBROOK COLONY SD4602010 | MITCHELL | 108 | — | — | Compliant |
| JOBEE ACRES SD4600019 | ABERDEEN | 108 | — | — | Compliant |
| VIVIAN SANITARY DISTRICT SD4600345 | VIVIAN | 108 | — | — | Compliant |
| WHITE ROCK COLONY SD4602027 | ROSHOLT | 108 | — | — | Compliant |
| KENEL WATER SYSTEM 084690507 | STANDING ROCK RESERVATION | 108 | — | — | Compliant |
| SPINK COLONY SD4602059 | FRANKFORT | 108 | — | — | Compliant |
| WR/LJ - MELLETTE EAST SD4602254 | MURDO | 108 | — | — | Compliant |
| CLAREMONT SD4600090 | BRITTON | 108 | — | — | Compliant |
| PLEASANT VALLEY COLONY SD4602086 | FLANDREAU | 107 | — | — | Compliant |
| HERRICK SD4600156 | HERRICK | 105 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690491 | ROSEBUD | 105 | — | — | Compliant |
| PLEASANT VALLEY ESTATES SD4600404 | ABERDEEN | 105 | — | — | Compliant |
| PRAIRIE HAVEN SUBDIVISION SD4602322 | BLACK HAWK | 105 | — | — | Compliant |
| BADGER SD4600032 | BADGER | 105 | — | — | Compliant |
| DAVIS SD4600103 | DAVIS | 104 | — | — | Compliant |
| WESTFIELD ADDITION SD4600521 | SPEARFISH | 104 | — | — | Compliant |
| WESTVIEW HOMEOWNERS ASSOCIATION SD4600876 | SPEARFISH | 103 | — | — | Compliant |
| ROCKPORT COLONY SD4602014 | ALEXANDRIA | 101 | — | — | Compliant |
| GRACEVALE COLONY SD4602079 | WINFRED | 100 | — | — | Compliant |
| D & E WATER COMPANY SD4600392 | BLACK HAWK | 100 | — | — | Compliant |
| SUNSHINE BIBLE ACADEMY SD4601029 | MILLER | 100 | — | — | Compliant |
| MESA VIEW WATER ASSOCIATION SD4602177 | SUMMERSET | 100 | — | — | Compliant |
| HE DOG WATER SYSTEM 084690515 | ROSEBUD RESERVATION | 100 | — | — | Compliant |
| QUINN SD4600251 | QUINN | 100 | — | — | Compliant |
| KIDDER WATER ASSOCIATION SD4600871 | BRITTON | 100 | — | — | Compliant |
| OWEN MOBILE HOME COURT SD4600353 | WATERTOWN | 100 | — | — | Compliant |
| LONG LAKE COLONY SD4602051 | WESTPORT | 100 | — | — | Compliant |
| HEINERT`S TRAILER COURT 084690529 | ROSEBUD | 100 | — | — | Compliant |
| VA CENTER,C.R.WELDY,ENGR SERV SD4600505 | HOT SPRINGS | 100 | — | — | Compliant |
| WARREN WTR CO INC, WARREN REUB SD4600510 | RAPID CITY | 100 | — | — | Compliant |
| BADLANDS NAT MONUMENT SD4600500 | INTERIOR | 100 | — | — | Compliant |
| LAKEVIEW ACRES,C/O MYRIL ARCH SD4600517 | PIERRE | 100 | — | — | Compliant |
| DELL ACRES MOBILE HOME PARK SD4600063 | PIERRE | 100 | — | — | Compliant |
| FARMER SUPPLY COMPANY SD4600410 | RAPID CITY | 100 | — | — | Compliant |
| WESTMILLER WATER ASSOCIATION SD4602098 | BRITTON | 99 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690484 | PINE RIDGE | 99 | — | — | Compliant |
| CLARK COLONY SD4602063 | RAYMOND | 97 | — | — | Compliant |
| CRESBARD SD4600099 | CRESBARD | 96 | — | — | Compliant |
| GOLDEN MEADOWS SD4600516 | BLACK HAWK | 96 | — | — | Compliant |
| GLENDALE COLONY SD4602060 | FRANKFORT | 95 | — | — | Compliant |
| ORLAND COLONY SD4602186 | MONTROSE | 95 | — | — | Compliant |
| RED IRON LAKE WATER SYSTEM 084690456 | AGENCY VILLAGE | 95 | — | — | Compliant |
| HURON COLONY SD4602042 | HURON | 95 | — | — | Compliant |
| HEARTLAND COUNTRY RANCHETTES SD4602235 | BLACK HAWK | 95 | — | — | Compliant |
| QUAAL WATER ASSOCIATION SD4602127 | BLACK HAWK | 95 | — | — | Compliant |
| COLLINS COLONY SD4602358 | IROQUOIS | 95 | — | — | Compliant |
| POTATO CREEK WATER SYSTEM 084690472 | PINE RIDGE | 95 | — | — | Compliant |
| TIMBERLAND PARK SD4600412 | YANKTON | 95 | — | — | Compliant |
| CROW CREEK WATER COMMISSION SD4690439 | FORT THOMPSON | 95 | — | — | Compliant |
| PROSPECT MANOR MHC MI0040490 | SIOUX FALLS | 94 | — | — | Compliant |
| SUNRISE COLONY SD4600320 | SUMMIT | 94 | — | — | Compliant |
| EDEN SD4600113 | EDEN | 94 | — | — | Compliant |
| CHEYENNE RIVER WATER AUTHORITY SD4690450 | EAGLE BUTTE | 94 | — | — | Compliant |
| IDEAL WATER SYSTEM 084690495 | RESERVATION | 94 | — | — | Compliant |
| ROSEBUD UTILITIES COMMISSION SD4690495 | ROSEBUD | 94 | — | — | Compliant |
| PEARL CREEK COLONY SD4602073 | IROQUOIS | 94 | — | — | Compliant |
| BLACKFOOT WATER SYSTEM 084690450 | CHEYENNE RIVER RESERVATION | 94 | — | — | Compliant |
| MAYFIELD COLONY SD4602062 | VIENNA | 93 | — | — | Compliant |
| RED WILLOW COLONY SD4602352 | WHITE | 93 | — | — | Compliant |
| WEST RIVER/LYMAN JONES SD4600109 | MURDO | 92 | — | — | Compliant |
| HAZEL SD4600509 | WATERTOWN | 91 | — | — | Compliant |
| WALLACE SD4600350 | WALLACE | 91 | — | — | Compliant |
| COUNTRY GROVE ESTATES SD4602138 | BRUCE | 90 | — | — | Compliant |
| BRENTWOOD COLONY-SOFT SD4602067 | WECOTA | 90 | — | — | Compliant |
| NEW EFFINGTON SIOUX WATER SYST 084690459 | LAKE TRAVERSE RESERVATION | 90 | — | — | Compliant |
| HARTS TRAILER PARK SD4600244 | PIERRE | 90 | — | — | Compliant |
| PONDEROSA RIDGE SD4600863 | RAPID CITY | 90 | — | — | Compliant |
| NEW ELM SPRINGS COLONY SD4602011 | ETHAN | 90 | — | — | Compliant |
| NORTHWOOD FIRST SUBDIVISION SD4602342 | ABERDEEN | 90 | — | — | Compliant |
| ST FRANCIS IND SCHOOL 084690520 | ST FRANCIS (ROSEBUD RES) | 90 | — | — | Compliant |
| KEY CITY TRAILER COURT SD4600322 | STURGIS | 90 | — | — | Compliant |
| HUTTERVILLE COLONY SOUTH DAKOTA INC SD4602026 | STRATFORD | 90 | — | — | Compliant |
| LAKE TRAVERSE UTILITY COMM. SD4690459 | PEEVER | 90 | — | — | Compliant |
| TSCHETTER HUTTERIAN BRETHREN INC SD4602019 | OLIVET | 90 | — | — | Compliant |
| HILLCREST COLONY SD4602065 | GARDEN CITY | 90 | — | — | Compliant |
| MOUND CITY SD4600219 | MOUND CITY | 89 | — | — | Compliant |
| SPRING CANYON WATER COMPANY SD4600015 | PIEDMONT | 89 | — | — | Compliant |
| CANOVA SD4600081 | CANOVA | 89 | — | — | Compliant |
| DALLAS SD4600102 | DALLAS | 89 | — | — | Compliant |
| WOOD SD4600924 | WOOD | 88 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690476 | PINE RIDGE | 88 | — | — | Compliant |
| WESTPORT SANITARY DISTRICT SD4600179 | ABERDEEN | 88 | — | — | Compliant |
| AR RANCH SD4602379 | BLACKHAWK | 88 | — | — | Compliant |
| BRENTFORD SD4600065 | BRENTFORD | 88 | — | — | Compliant |
| SHARPS CORNER WATER SYSTEM 084690473 | PINE RIDGE | 88 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690473 | PINE RIDGE | 88 | — | — | Compliant |
| PORCUPINE WATER SYSTEM 084690509 | STANDING ROCK RESERVATION | 87 | — | — | Compliant |
| SPEARFISH MEADOWS SD4600875 | RAPID CITY | 87 | — | — | Compliant |
| MASKELL, VILLAGE OF NE3105104 | VERMILLION | 86 | — | — | Compliant |
| GREENWOOD COLONY SD4602022 | DELMONT | 85 | — | — | Compliant |
| OAK MOUNTAIN COUNTRY ESTATES SD4602151 | BLACK HAWK | 85 | — | — | Compliant |
| SHERIDAN LAKE HIGHLANDS, INC. SD4602285 | PIEDMONT | 85 | — | — | Compliant |
| WASTA SD4600352 | WASTA | 84 | — | — | Compliant |
| COUNTRY CLUB PROPERTY OWNERS - BF SD4602173 | BELLE FOURCHE | 84 | — | — | Compliant |
| COUNTRY CLUB ESTATES SD4600629 | HOT SPRINGS | 83 | — | — | Compliant |
| ROLLING MEADOWS SD4600620 | ABERDEEN | 83 | — | — | Compliant |
| OST SANITATION AND MAINTENANCE SD4690472 | PINE RIDGE | 83 | — | — | Compliant |
| HILLSIDE COLONY SD4602061 | DOLAND | 82 | — | — | Compliant |
| PLAINVIEW COLONY SD4602053 | LEOLA | 80 | — | — | Compliant |
| RIVERSIDE COLONY SD4602040 | HURON | 80 | — | — | Compliant |
| THE MEADOWS SD4600023 | ABERDEEN | 80 | — | — | Compliant |
| CAMROSE COLONY SD4602345 | FRANKFORT | 80 | — | — | Compliant |
| WILDWOOD WATER ASSOCIATION SD4600872 | RAPID CITY | 80 | — | — | Compliant |
| BIG BEND WATER SYSTEM 084690438 | FORT THOMPSON | 80 | — | — | Compliant |
| AGAR SD4600024 | AGAR | 80 | — | — | Compliant |
| NORTH MARTIN WATER SYSTEM 084690029 | PINE RIDGE | 78 | — | — | Compliant |
| INTERIOR SD4600171 | INTERIOR | 77 | — | — | Compliant |
| OAK LANE COLONY SD4602044 | ALEXANDRIA | 76 | — | — | Compliant |
| GANN VALLEY, TOWN OF SD4607010 | GANN VALLEY | 75 | — | — | Compliant |
| RIVERSIDE MOBILE HOME COURT SD4600508 | SPEARFISH | 75 | — | — | Compliant |
| LOURIE LANE HOMEOWNERS ASSOC SD4600416 | SPEARFISH | 75 | — | — | Compliant |
| FAIRVIEW HEIGHTS, C/O M.MILLER SD4600394 | YANKTON | 75 | — | — | Compliant |
| UNITED ORDER OF SOUTH DAKOTA SD4602286 | HOT SPRINGS | 75 | — | — | Compliant |
| FRUITDALE SD4600135 | FRUITDALE | 75 | — | — | Compliant |
| THUNDER BUTTE WATER SYSTEM 084690447 | EAGLE BUTTE | 75 | — | — | Compliant |
| CHEYENNE RIVER WATER AUTHORITY SD4690447 | EAGLE BUTTE | 75 | — | — | Compliant |
| TERRA COTTA ESTATES SD4602306 | PIEDMONT | 75 | — | — | Compliant |
| SHAMROCK COLONY SD4602267 | CARPENTER | 75 | — | — | Compliant |
| STRANDBURG SD4600319 | STRANDBURG | 74 | — | — | Compliant |
| ROCK RIDGE COURT SD4602209 | RAPID CITY | 74 | — | — | Compliant |
| OAK VALLEY TRAILER COURT SD4600507 | ST. ONGE | 74 | — | — | Compliant |
| BESTGEN ADDITION WATER COMPANY SD4600387 | PIEDMONT | 73 | — | — | Compliant |
| BRADLEY SD4600047 | BRADLEY | 72 | — | — | Compliant |
| PEACEFUL PINES II SD4602000 | BLACK HAWK | 71 | — | — | Compliant |
| LEWIS AND CLARK WATER CO SD4600380 | YANKTON | 70 | — | — | Compliant |
| WILD TURKEY ESTATES II SD4602282 | BLACK HAWK | 70 | — | — | Compliant |
| WAKPAMNI WATER SYSTEM 084690484 | PINE RIDGE | 70 | — | — | Compliant |
| MANSFIELD WATER USERS ASSOCIATION SD4600200 | MANSFIELD | 70 | — | — | Compliant |
| PRAIRIE HILLS RANCHETTES SD4600617 | BELLE FOURCHE | 70 | — | — | Compliant |
| SANDY MEAD HOUSING DEVELOPMENT SD4602130 | DAKOTA DUNES | 70 | — | — | Compliant |
| SPENCER WATER CO SD4607009 | FT PIERRE | 70 | — | — | Compliant |
| S SPINK/N BEADLE RWS SD4600880 | MILLER | 70 | — | — | Compliant |
| COUNTRY ACRES SD4600383 | YANKTON | 70 | — | — | Compliant |
| THRALL MTN. PROPERTY OWNERS ASSOCIAT SD4600513 | BLACK HAWK | 70 | — | — | Compliant |
| HILLSIDE TRAILER COURT SD4607008 | BROOKINGS | 70 | — | — | Compliant |
| REE HEIGHTS SD4600278 | REE HEIGHTS | 70 | — | — | Compliant |
| EDELWEISS MOUNTAIN IMPROVEMENT ASSOC SD4600273 | BLACK HAWK | 70 | — | — | Compliant |
| CORONA SD4600009 | CORONA | 69 | — | — | Compliant |
| TWIN BROOKS SD4600336 | TWIN BROOKS | 69 | — | — | Compliant |
| FALL RIVER WUD-NORTH SD4602316 | ORAL | 68 | — | — | Compliant |
| LIBERTY HILLS COMMUNITY SD4600518 | HOT SPRINGS | 68 | — | — | Compliant |
| SIPHON HILL WATER ASSOCIATION SD4600272 | RAPID CITY | 68 | — | — | Compliant |
| RICHMOND HEIGHTS HOMEOWNERS ASSOCIAT SD4600504 | ABERDEEN | 67 | — | — | Compliant |
| RIMROCK HIGHLAND ESTATES COMM ASSOC SD4602231 | PIEDMONT | 66 | — | — | Compliant |
| BARNARD SD4600883 | BARNARD | 65 | — | — | Compliant |
| WOLF CREEK WATER SYSTEM 084690483 | PINE RIDGE | 65 | — | — | Compliant |
| SHIRT TAIL GULCH DEVELOPMENT SD4602232 | BLACK HAWK | 65 | — | — | Compliant |
| GRASS RANGE COLONY SD4602009 | KIMBALL | 65 | — | — | Compliant |
| UTICA SD4600338 | MISSION HILL | 65 | — | — | Compliant |
| BEAR CREEK WATER SYSTEM 084690444 | EAGLE BUTTE | 65 | — | — | Compliant |
| CROOKED OAKS CANYON HOMEOWNERS SD4600915 | BLACK HAWK | 65 | — | — | Compliant |
| CHEYENNE RIVER WATER AUTHORITY SD4690444 | EAGLE BUTTE | 65 | — | — | Compliant |
| FAIRBURN WATER ASSOCIATION SD4600877 | FAIRBURN | 65 | — | — | Compliant |
| RED WAGON TRAILER COURT SD4600382 | YANKTON | 65 | — | — | Compliant |
| NORTHERN LIGHTS MOBILE HOME PARK SD4602289 | YANKTON | 65 | — | — | Compliant |
| COPPER OAKS I SD4602136 | NEW UNDERWOOD | 64 | — | — | Compliant |
| WHISPERING WILLOWS SD4602094 | BLACK HAWK | 64 | — | — | Compliant |
| MCCROSSAN BOYS RANCH SD4600296 | SIOUX FALLS | 63 | — | — | Compliant |
| MEADOW CREST SANITARY DISTRICT SD4602258 | SPEARFISH | 63 | — | — | Compliant |