| LINCOLNVILLE TOWN OF (SC1010007) | LINCOLNVILLE, SC | 1,980 | 114 | — |
| FAIRFAX TOWN OF (SC0310004) | FAIRFAX, SC | 1,962 | 47 | — |
| BLACKVILLE TOWN OF (SC0610003) | BLACKVILLE, SC | 1,934 | 57 | — |
| SWANSEA TOWN OF (SC3210006) | SWANSEA, SC | 1,923 | 70 | — |
| JONESVILLE TOWN OF (SC4410002) | JONESVILLE, SC | 1,917 | 16 | — |
| METRO SUBDISTRICT B (4220003) | SPARTANBURG, SC | 1,905 | 8 | Clean |
| BARRINEAU WATER SYSTEM (1420002) | LAKE CITY, SC | 1,879 | 1 | — |
| MITFORD WATER DISTRICT (SC2020005) | GREAT FALLS, SC | 1,878 | 33 | — |
| IVA TOWN OF (SC0410001) | IVA, SC | 1,874 | 37 | — |
| VARNVILLE TOWN OF (2510005) | HAMPTON, SC | 1,865 | 13 | — |
| MCCORMICK CPW (3510001) | MCCORMICK, SC | 1,818 | 57 | — |
| GCWSD GARDEN CITY POINT (SC2220011) | PAWLEYS ISLAND, SC | 1,790 | 6 | — |
| UPPER CALHOUN/BELLEVILLE (0920001) | GASTON, SC | 1,779 | 30 | — |
| PAMPLICO TOWN OF (SC2110010) | PAMPLICO, SC | 1,734 | 40 | — |
| HOLLY HILL TOWN OF (SC3810002) | HOLLY HILL, SC | 1,710 | 10 | — |
| FOXWOOD HILLS (SC3750025) | DES PERES, SC | 1,703 | 26 | — |
| CHESTERFIELD TOWN OF (1310002) | CHESTERFIELD, SC | 1,670 | 29 | — |
| DCWS/CLAY FIELD DRIVE (SC1850014) | SUMMERVILLE, SC | 1,648 | 0 | — |
| LIEBER CORRECTIONAL INSTITUTE (1870050) | COLUMBIA, SC | 1,646 | 37 | — |
| RIDGE SPRING TOWN OF (SC4110002) | RIDGE SPRING, SC | 1,575 | 26 | — |
| ELLOREE WATER SYSTEM (SC3810003) | ELLOREE, SC | 1,498 | 26 | — |
| DCWS SOUTHERN PALMS (SC1850011) | SUMMERVILLE, SC | 1,494 | 7 | — |
| MIDCOUNTY WATER DIST 1 (2020002) | WINNSBORO, SC | 1,487 | 7 | — |
| NORTH TOWN OF (SC3810010) | NORTH, SC | 1,378 | 35 | — |
| COLLEGE ACRES PUBLIC W/D (SC0220002) | AIKEN, SC | 1,360 | 24 | — |
| LAKE VIEW TOWN OF (SC1710003) | CONWAY, SC | 1,293 | 17 | Clean |
| PROSPERITY TOWN OF (SC3610005) | PROSPERITY, SC | 1,292 | 10 | — |
| BOWMAN TOWN OF (SC3810004) | BOWMAN, SC | 1,274 | 41 | — |
| UPPER CALHOUN/SANDY RUN (SC0920002) | GASTON, SC | 1,247 | 34 | — |
| MCBEE TOWN OF (SC1310004) | MCBEE, SC | 1,239 | 2 | — |
| TALATHA W/D (SC0220005) | NEW ELLENTON, SC | 1,237 | 11 | — |
| LAKE WYLIE MHP (SC4660081) | CARY, SC | 1,225 | 7 | — |
| BRANCHVILLE TOWN OF (3810005) | BRANCHVILLE, SC | 1,218 | 52 | Clean |
| WAGENER TOWN OF (SC0210004) | WAGENER, SC | 1,210 | 46 | — |
| MCCRADY TRAINING CENTER (SC4070911) | EASTOVER, SC | 1,200 | 29 | — |
| SUMTER CO-WEDGEFIELD-STATEBURG WD | SUMTER, SC | 1,200 | 115 | — |
| CLIFFS AT GLASSY THE (SC2350023) | GREER, SC | 1,195 | 2 | — |
| BGWC OAKLAND PLANTATION (SC4350006) | ELGIN, SC | 1,180 | 434 | — |
| MONETTA TOWN OF (SC0210008) | MONETTA, SC | 1,152 | 62 | — |
| SCRANTON TOWN OF (SC2110009) | SCRANTON, SC | 1,133 | 7 | — |
| GCWSD WEDGEFIELD PLANTATION (2220006) | PAWLEYS ISLAND, SC | 1,132 | 5 | — |
| BGWC GLENN VILLAGE II (SC3250058) | ELGIN, SC | 1,116 | 54 | — |
| BURNETTOWN W/D (SC0220007) | BATH, SC | 1,090 | 56 | — |
| GCWSD PLANTERSVILLE SYS (2220004) | PAWLEYS ISLAND, SC | 1,079 | 11 | — |
| ROLLING MEADOWS MHP (3260027) | GREENWOOD VILLAGE, SC | 1,056 | 50 | — |
| HARBOR ISLAND (SC0750013) | KIAWAH ISLAND, SC | 1,039 | 52 | — |
| LAMAR TOWN OF (SC1610004) | LAMAR, SC | 1,034 | 89 | Clean |
| LCJMWSC-PELION TOWN OF (SC3210010) | LEXINGTON, SC | 1,001 | 12 | — |
| CIRCLE K 2723876 (SC1570920) | CHARLOTTE, SC | 1,000 | 12 | — |
| RIDGEVILLE INDUSTRIAL CAMPUS (SC1830031) | SUMMERVILLE, SC | 1,000 | 0 | — |