| JOINT MUNICIPAL WSC (SC3220003) | 47,838 | 44 | Detected |
| WEST COLUMBIA CITY OF (3210004) | 34,028 | 27 | Detected |
| LEXINGTON TOWN OF (3210001) | 24,284 | 79 | Detected |
| CAYCE CITY OF (3210003) | 17,460 | 28 | Detected |
| GILBERT-SUMMIT WD (3220001) | 7,795 | 154 | Detected |
| GASTON RURAL WATER DIST (SC3220002) | 7,550 | 24 | Clean |
| BGWC I-20 (SC3250012) | 6,637 | 21 | Detected |
| BATESBURG LEESVILLE DPW (SC3210002) | 6,202 | 38 | Detected |
| AMICKS FERRY WTR SYSTEM (SC3250077) | 3,671 | 12 | Detected |
| SWANSEA TOWN OF (SC3210006) | 1,923 | 70 | — |
| BGWC GLENN VILLAGE II (SC3250058) | 1,116 | 54 | — |
| ROLLING MEADOWS MHP (3260027) | 1,056 | 50 | — |
| LCJMWSC-PELION TOWN OF (SC3210010) | 1,001 | 12 | — |
| WILD MEADOWS S/D (SC3250097) | 878 | 33 | — |
| BGWC CHARWOOD S/D (3250035) | 683 | 285 | — |
| MCGREGOR DOWNS (SC3260059) | 626 | 42 | — |
| BATESBURG-LEESVILLE #2 (3210011) | 595 | 2 | — |
| BGWC VANARSDALE S/D (3250027) | 509 | 14 | — |
| BGWC ROLLINGWOOD (SC3250052) | 493 | 9 | — |
| BGWC LAKEWOOD ESTATES (SC3250005) | 492 | 42 | — |
| BGWC HIDDEN VALLEY (SC3250073) | 480 | 1 | — |
| BGWC HEATHERWOOD-BLUE RIDGE (SC3250015) | 455 | 1 | — |
| BGWC THE LANDINGS (3250063) | 430 | 4 | — |
| BGWC LEXINGTON ESTATES (SC3250050) | 419 | 780 | — |
| BGWC WINDY HILL (SC3250057) | 375 | 166 | — |
| BGWC BELLEMEAD S/D (3250031) | 367 | 303 | — |
| BGWC INDIAN FORK-40 LOVE (3250066) | 367 | 12 | — |
| BGWC LANDS END CONDOS (SC3270300) | 359 | 1 | — |
| BGWC DUTCHMAN SHORES (SC3250021) | 335 | 16 | — |
| BGWC LEXINGTON FARMS (SC3250069) | 335 | 460 | — |
| BGWC PARKWOOD S/D (3250029) | 311 | 23 | — |
| BGWC CEDARWOOD (SC3250047) | 300 | 4 | — |
| BGWC HARBORSIDE (SC3270302) | 286 | 3 | — |
| BGWC FALCON RANCHES (SC3250016) | 278 | 1 | — |
| BGWC LAKE VILLAGE (SC3250054) | 197 | 4 | — |
| BASIN ROCK MHP (SC3260164) | 190 | 65 | — |
| ROCKFORD PLACE-CHARWOOD (3250099) | 174 | 13 | — |
| BGWC SANGAREE MHP (SC3260012) | 174 | 232 | — |
| BGWC WESTSIDE TERRACE (3250002) | 172 | 5 | — |
| RIDGE POINTE S/D (SC3250105) | 170 | 2 | — |
| BGWC MURRAY LODGE (3250013) | 146 | 136 | — |
| HIGHLANDS AT GASTON (SC3270011) | 140 | 20 | — |
| BGWC CREEKWOOD (3250042) | 136 | 6 | — |
| MURRAY HILL ESTATES (SC3250014) | 134 | 36 | — |
| BGWC IDLEWOOD (SC3250017) | 134 | 51 | — |
| LAKE LODGE APARTMENTS (3270301) | 130 | 30 | — |
| BGWC PEACHTREE ACRES (3250045) | 124 | 25 | — |
| BGWC MURRAY PARK ESTATES (SC3250019) | 122 | 56 | — |
| SILVER LAKE MHP (SC3260022) | 122 | 32 | Clean |
| PINE RIDGE MHP (SC3260157) | 100 | 95 | — |