PFAS in South Carolina drinking water
164 community water systems tested
40.2%
of tested systems detected PFOA or PFOS
(66/164)
(66/164)
Water systems
PFAS value per system, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Systems that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| System | City | Population | PFAS (ug/L) |
|---|---|---|---|
| WINNSBORO TOWN OF (2010001) | WINNSBORO | 10,391 | 0.0328 ug/L |
| MIDCOUNTY WATER DIST 2 (SC2020004) | WINNSBORO | 3,500 | 0.0201 ug/L |
| DRAYTONVILLE WATER DIST (SC1120003) | GAFFNEY | 5,456 | 0.0194 ug/L |
| GRASSY POND WATER CO INC (SC1120002) | GAFFNEY | 9,895 | 0.0190 ug/L |
| GAFFNEY BPW (SC1110001) | GAFFNEY | 24,290 | 0.0180 ug/L |
| GOUCHER WD (1120004) | PACOLET | 5,323 | 0.0170 ug/L |
| GRASSY POND WATER CORPORATION | GAFFNEY | 1,303 | 0.0160 ug/L |
| BATESBURG LEESVILLE DPW (SC3210002) | BATESBURG | 6,814 | 0.0150 ug/L |
| BLACKSBURG TOWN OF (SC1110002) | BLACKSBURG | 4,496 | 0.0130 ug/L |
| GSW&SA (SC2620004) | CONWAY | 252,840 | 0.0115 ug/L |
| NEWBERRY CITY OF (3610001) | NEWBERRY | 9,947 | 0.0113 ug/L |
| CONWAY RURAL (SC2620001) | CONWAY | 12,740 | 0.0109 ug/L |
| N MYRTLE BEACH CITY OF (SC2610011) | NORTH MYRTLE BEACH | 43,883 | 0.0100 ug/L |
| SALUDA CPW (SC4110001) | SALUDA | 3,390 | 0.0099 ug/L |
| GEORGETOWN CITY OF (SC2210001) | GEORGETOWN | 9,092 | 0.0097 ug/L |
| SALUDA CO W&S AUTHORITY (4120001) | SALUDA | 4,535 | 0.0097 ug/L |
| GCWSD WACCAMAW NECK (SC2220010) | PAWLEYS ISLAND | 41,300 | 0.0095 ug/L |
| LUGOFF ELGIN WATER AUTH (SC2820001) | LUGOFF | 25,783 | 0.0093 ug/L |
| MCCORMICK CO W&SA (SC3520002) | MCCORMICK | 8,500 | 0.0088 ug/L |
| LAURENS COUNTY W&S COMM (SC3020001) | LAURENS | 44,866 | 0.0087 ug/L |
| COLUMBIA CITY OF (SC4010001) | COLUMBIA | 354,068 | 0.0086 ug/L |
| CONWAY CITY OF (SC2610008) | CONWAY | 27,005 | 0.0085 ug/L |
| ST JOHN'S WATER (SC1020002) | JOHNS ISLAND (STA.) | 22,592 | 0.0085 ug/L |
| MT PLEASANT WATER WORKS (1010002) | MOUNT PLEASANT | 91,500 | 0.0084 ug/L |
| WARE SHOALS TOWN OF (SC2410003) | WARE SHOALS | 3,174 | 0.0084 ug/L |
| SUMMERVILLE CPW (SC1810003) | SUMMERVILLE | 81,750 | 0.0081 ug/L |
| DCWA KNIGHTSVILLE (SC1820001) | SUMMERVILLE | 40,141 | 0.0081 ug/L |
| NEWBERRY CO W&SA (SC3620002) | NEWBERRY | 11,157 | 0.0081 ug/L |
| CLINTON CITY OF (SC3010002) | CLINTON | 8,938 | 0.0081 ug/L |
| FOLLY BEACH CITY OF (1010005) | FOLLY BEACH | 5,086 | 0.0081 ug/L |
| ISLE OF PALMS W/S COMM (SC1010004) | ISLE OF PALMS | 9,530 | 0.0080 ug/L |
| MONCKS CORNER CITY OF (SC0810001) | MONCKS CORNER | 8,956 | 0.0080 ug/L |
| WEST COLUMBIA CITY OF (SC3210004) | WEST COLUMBIA | 34,028 | 0.0079 ug/L |
| KIAWAH ISLAND UTILITY (SC1010008) | JOHNS ISLAND (STA.) | 9,550 | 0.0079 ug/L |
| GREENWOOD CPW (2410001) | GREENWOOD | 52,022 | 0.0076 ug/L |
| AMICKS FERRY WTR SYSTEM (SC3250077) | CHAPIN | 3,937 | 0.0076 ug/L |
| SEABROOK ISLAND TOWN OF (1010009) | SEABROOK | 5,939 | 0.0075 ug/L |
| FORT JACKSON (SC4010501) | FORT JACKSON | 31,000 | 0.0073 ug/L |
| BCWSA SANGAREE W/D (0820002) | MONCKS CORNER | 95,345 | 0.0071 ug/L |
| BCWSA EAST COOPER (SC0820009) | MONCKS CORNER | 12,933 | 0.0071 ug/L |
| FLORENCE CITY OF (SC2110001) | FLORENCE | 79,745 | 0.0067 ug/L |
| DCWA CALOMET VALLEY (1850009) | SUMMERVILLE | 275 | 0.0067 ug/L |
| CHARLESTON WATER SYSTEM (SC1010001) | CHARLESTON | 327,422 | 0.0065 ug/L |
| CAYCE CITY OF (SC3210003) | CAYCE | 17,460 | 0.0063 ug/L |
| JOINT MUNICIPAL WSC (SC3220003) | LEXINGTON | 47,838 | 0.0062 ug/L |
| SHAW AFB (SC4310501) | 10,000 | 0.0062 ug/L | |
| UNION CITY OF (SC4410001) | UNION | 13,076 | 0.0061 ug/L |
| LEXINGTON TOWN OF (3210001) | LEXINGTON | 24,284 | 0.0057 ug/L |
| BJW&SA (SC0720003) | 164,829 | 0.0056 ug/L | |
| DCWS ASHLEY PHOSPHATE (SC1820008) | NORTH CHARLESTON | 26,536 | 0.0055 ug/L |
| BGWC I-20 (SC3250012) | WEST COLUMBIA | 7,146 | 0.0055 ug/L |
| FRIPP ISLAND PSD (SC0720002) | 3,536 | 0.0054 ug/L | |
| MYRTLE BEACH CITY OF (SC2610001) | MYRTLE BEACH | 49,375 | 0.0053 ug/L |
| CHERAW TOWN OF (SC1310001) | CHERAW | 6,325 | 0.0053 ug/L |
| HILTON HEAD PSD 1 (0720006) | HILTON HEAD ISLAND | 25,558 | 0.0052 ug/L |
| CAMDEN CITY OF (SC2810001) | CAMDEN | 19,076 | 0.0052 ug/L |
| MEANSVILLE RILEY W/D (SC4420001) | UNION | 7,368 | 0.0052 ug/L |
| OCEAN LAKES LTD (SC2660048) | MYRTLE BEACH | 10,727 | 0.0050 ug/L |
| DANIEL MORGAN WATER DISTRICT (1120001) | GAFFNEY | 5,746 | 0.0050 ug/L |
| GOOSE CREEK CITY OF (SC0810004) | GOOSE CREEK | 43,744 | 0.0049 ug/L |
| STARR-IVA W/D (SC0420005) | STARR | 11,125 | 0.0049 ug/L |
| BREEZY HILL W/D (SC0220006) | GRANITEVILLE | 21,197 | 0.0048 ug/L |
| WOODRUFF ROEBUCK W/D (SC4220007) | WOODRUFF | 32,038 | 0.0047 ug/L |
| CHESTER METROPOLITAN DISTRICT (1220002) | FORT LAWN | 15,668 | 0.0047 ug/L |
| ORANGEBURG DPU (SC3810001) | ORANGEBURG | 47,463 | 0.0042 ug/L |
| LANCASTER CITY OF (SC2910001) | LANCASTER | 14,074 | 0.0040 ug/L |
| GREENVILLE WATER (SC2310001) | GREENVILLE | 426,057 | Not detected |
| SPARTANBURG WATER SYSTEM (SC4210001) | SPARTANBURG | 166,364 | Not detected |
| ROCK HILL CITY OF (SC4610002) | ROCK HILL | 89,850 | Not detected |
| SJWD MIDDLE TYGER WTP (SC4220006) | LYMAN | 89,531 | Not detected |
| LANCASTER COUNTY W&SD (SC2920001) | LANCASTER | 79,107 | Not detected |
| GREER CPW (SC2310005) | GREER | 54,024 | Not detected |
| SUMTER CITY OF (SC4310001) | SUMTER | 53,070 | Not detected |
| DARLINGTON COUNTY W&SA (SC1620001) | DARLINGTON | 52,288 | Not detected |
| AIKEN CITY OF (SC0210001) | AIKEN | 51,533 | Not detected |
| INMAN CAMPOBELLO W/D (4220002) | INMAN | 41,007 | Not detected |
| BLUE RIDGE WATER CO INC (SC2320003) | GREER | 40,006 | Not detected |
| SENECA CITY OF (SC3710002) | SENECA | 39,772 | Not detected |
| ELECTRIC CITY UTILITIES (SC0410012) | ANDERSON | 38,204 | Not detected |
| EASLEY COMBINED UTIL (SC3910002) | EASLEY | 36,098 | Not detected |
| POWDERSVILLE WATER DISTRICT (SC0420002) | EASLEY | 34,960 | Not detected |
| YORK COUNTY EAST WD (SC4620002) | YORK | 30,225 | Not detected |
| EDGEFIELD CO W&SA (1920001) | NORTH AUGUSTA | 29,200 | Not detected |
| NORTH AUGUSTA CITY OF (SC0210003) | 26,125 | Not detected | |
| CHESTERFIELD CO RURAL WATER (SC1320003) | CHESTERFIELD | 25,691 | Not detected |
| CASSATT WTR KERSHAW-LEE CO RWA | CASSATT | 25,485 | Not detected |
| FORT MILL TOWN OF (SC4610003) | FORT MILL | 25,000 | Not detected |
| HAMMOND W/D (SC0420007) | BELTON | 21,193 | Not detected |
| SOUTH ISLAND PSD (SC0720001) | HILTON HEAD ISLAND | 18,299 | Not detected |
| YORK COUNTY WEST WD (SC4620003) | YORK | 18,273 | Not detected |
| LCF WATER DISTRICT (SC4220010) | CHESNEE | 18,152 | Not detected |
| TRICO WATER COMPANY (SC1720001) | DILLON | 17,963 | Not detected |
| CLEMSON CITY OF (SC3910004) | CLEMSON | 17,896 | Not detected |
| WEST ANDERSON W/D (0420006) | WEST ANDERSON | 17,430 | Not detected |
| SANDY SPRINGS WATER CO INC (SC0420003) | LA FRANCE | 17,311 | Not detected |
| BUCKSPORT WATER COMPANY (SC2620003) | CONWAY | 17,123 | Not detected |
| MARCO RURAL WATER CO (SC3320001) | MARION | 17,120 | Not detected |
| PIONEER RURAL WATER DIST (SC3720001) | WESTMINSTER | 16,929 | Not detected |
| WALHALLA CITY OF (SC3710004) | WALHALLA | 16,010 | Not detected |
| SIX MILE W/D (SC3920002) | SIX MILE | 14,845 | Not detected |