PFAS in South Carolina tap water
66 of 165 tested systems measured above the federal limit. 91 had a detection of any kind.
Every public water system below was required by the EPA to test for 29 PFAS compounds. Sorted by the highest PFOA or PFOS reading, worst first. Find yours for the full set of readings and what removes them.
| Water system | Highest PFOA | Highest PFOS | Found | Against the 4 ppt limit |
|---|---|---|---|---|
| Winnsboro Town of (2010001) | none detected | 32.8 ppt | 4 of 29 | Above |
| Midcounty Water Dist 2 (2020004) | none detected | 20.1 ppt | 4 of 29 | Above |
| Draytonville Water Dist (1120003) | 16.2 ppt | 19.4 ppt | 7 of 29 | Above |
| Grassy Pond Water Co (1120002) | 15 ppt | 19 ppt | 7 of 29 | Above |
| Gaffney Bpw (1110001) | 18 ppt | 17.1 ppt | 7 of 29 | Above |
| Goucher Wd (1120004) | 14 ppt | 17 ppt | 7 of 29 | Above |
| Batesburg Leesville Dpw (3210002) | 11.5 ppt | 15 ppt | 4 of 29 | Above |
| Blacksburg Town of (1110002) | 12.4 ppt | 13 ppt | 8 of 29 | Above |
| Gsw&sa (sc2620004) | 11.4 ppt | 11.5 ppt | 7 of 29 | Above |
| Newberry City of (3610001) | 6.3 ppt | 11.3 ppt | 7 of 29 | Above |
| Conway Rural (2620001) | 10.9 ppt | 10.8 ppt | 7 of 29 | Above |
| Conway City of (sc2610008) | 9.2 ppt | 10.3 ppt | 7 of 29 | Above |
| N Myrtle Beach City of (sc2610011) | 8.4 ppt | 10 ppt | 7 of 29 | Above |
| Saluda Cpw (4110001) | 6.5 ppt | 9.9 ppt | 6 of 29 | Above |
| Georgetown City of (2210001) | 8.3 ppt | 9.7 ppt | 6 of 29 | Above |
| Saluda Co W&s Authority (4120001) | 5.2 ppt | 9.7 ppt | 6 of 29 | Above |
| Gcwsd Waccamaw Neck (sc2220010) | 9.5 ppt | 9.1 ppt | 7 of 29 | Above |
| Lugoff Elgin Water Auth (2820001) | 7.1 ppt | 9.3 ppt | 5 of 29 | Above |
| Mccormick Co W&sa (sc3520002) | none detected | 8.8 ppt | 5 of 29 | Above |
| Greenwood Cpw (2410001) | 5.9 ppt | 8.7 ppt | 6 of 29 | Above |
| Laurens County W&s Comm (sc3020001) | 7.5 ppt | 8.7 ppt | 9 of 29 | Above |
| Columbia City of (sc4010001) | 6.9 ppt | 8.6 ppt | 7 of 29 | Above |
| St John's Water (sc1020002) | 5.4 ppt | 8.5 ppt | 5 of 29 | Above |
| Mt Pleasant Water Works (1010002) | 5.5 ppt | 8.4 ppt | 6 of 29 | Above |
| Ware Shoals Town of (2410003) | 5.7 ppt | 8.4 ppt | 6 of 29 | Above |
| Bgwc I-20 (3250012) | 5.7 ppt | 8.3 ppt | 7 of 29 | Above |
| Clinton City of (3010002) | 8 ppt | 8.1 ppt | 9 of 29 | Above |
| Dcwa Knightsville (1820001) | 6.5 ppt | 8.1 ppt | 7 of 29 | Above |
| Folly Beach City of (1010005) | 5 ppt | 8.1 ppt | 7 of 29 | Above |
| Newberry Co W&sa (3620002) | 4.8 ppt | 8.1 ppt | 5 of 29 | Above |
| Summerville Cpw (sc1810003) | 6.2 ppt | 8.1 ppt | 6 of 29 | Above |
| Isle of Palms W/s Comm (sc1010004) | 5.7 ppt | 8 ppt | 7 of 29 | Above |
| Moncks Corner City of (sc0810001) | 5.8 ppt | 8 ppt | 7 of 29 | Above |
| Kiawah Island Utility (sc1010008) | 4.5 ppt | 7.9 ppt | 6 of 29 | Above |
| West Columbia City of (3210004) | 6.1 ppt | 7.9 ppt | 6 of 29 | Above |
| Amicks Ferry Wtr System (3250077) | 4.6 ppt | 7.6 ppt | 5 of 29 | Above |
| Seabrook Island Town of (1010009) | 5 ppt | 7.5 ppt | 5 of 29 | Above |
| Dcws Ashley Phosphate (1820008) | 6.4 ppt | 7.4 ppt | 5 of 29 | Above |
| Fort Jackson (4010501) | 6.9 ppt | 7.3 ppt | 7 of 29 | Above |
| Goose Creek City of (0810004) | 5.8 ppt | 7.2 ppt | 6 of 29 | Above |
| Bcwsa East Cooper (0820009) | 5.9 ppt | 7.1 ppt | 7 of 29 | Above |
| Bcwsa Sangaree W/d (0820002) | 6.1 ppt | 7.1 ppt | 5 of 29 | Above |
| Dcwa Calomet Valley (1850009) | 5.2 ppt | 6.7 ppt | 7 of 29 | Above |
| Florence City of (sc2110001) | 5.5 ppt | 6.7 ppt | 5 of 29 | Above |
| Charleston Water System (sc1010001) | 4.7 ppt | 6.5 ppt | 5 of 29 | Above |
| Cayce City of (3210003) | 5.5 ppt | 6.3 ppt | 6 of 29 | Above |
| Joint Municipal Wsc (3220003) | 4.4 ppt | 6.2 ppt | 5 of 29 | Above |
| Shaw Afb (sc4310501) | 6.1 ppt | 6.2 ppt | 4 of 29 | Above |
| Union City of (4410001) | 5.9 ppt | 6.1 ppt | 6 of 29 | Above |
| Lexington Town of (3210001) | 4.4 ppt | 5.7 ppt | 5 of 29 | Above |
| Bjw&sa (0720003) | 5.6 ppt | 5.3 ppt | 5 of 29 | Above |
| Fripp Island Psd (0720002) | 4.4 ppt | 5.4 ppt | 5 of 29 | Above |
| Cheraw Town of (1310001) | none detected | 5.3 ppt | 4 of 29 | Above |
| Myrtle Beach City of (sc2610001) | 5.3 ppt | 5.3 ppt | 7 of 29 | Above |
| Camden City of (2810001) | 5.2 ppt | 4.7 ppt | 4 of 29 | Above |
| Hilton Head Psd 1 (0720006) | 5.1 ppt | 5.2 ppt | 4 of 29 | Above |
| Meansville Riley W/d (sc4420001) | 5.2 ppt | 4.9 ppt | 5 of 29 | Above |
| Daniel Morgan Water District (1120001) | 4.1 ppt | 5 ppt | 2 of 29 | Above |
| Ocean Lakes Ltd (2660048) | 5 ppt | 4.6 ppt | 3 of 29 | Above |
| Starr-iva W/d (sc0420005) | 4.9 ppt | 4 ppt | 3 of 29 | Above |
| Belton City of (sc0410004) | 4.8 ppt | none detected | 5 of 29 | Above |
| Breezy Hill W/d (0220006) | 4.8 ppt | none detected | 4 of 29 | Above |
| Chester Metropolitan District (1220002) | 4.6 ppt | 4.7 ppt | 4 of 29 | Above |
| Woodruff Roebuck W/d (4220007) | 4.7 ppt | none detected | 4 of 29 | Above |
| Central Town of (3910005) | 4.2 ppt | 4.2 ppt | 3 of 29 | Above |
| Orangeburg Dpu (3810001) | none detected | 4.2 ppt | 4 of 29 | Above |
| Lancaster City of (sc2910001) | 4 ppt | none detected | 4 of 29 | Within |
| Abbeville City of | none detected | none detected | 4 of 29 | Within |
| Aiken City of (0210001) | none detected | none detected | 2 of 29 | Within |
| Allendale Town of (sc0310001) | none detected | none detected | 0 of 29 | Within |
| Alligator Rural Water (sc1320004) | none detected | none detected | 0 of 29 | Within |
| Andrews Town of (sc2210003) | none detected | none detected | 0 of 29 | Within |
| Bamberg Public Works (0510001) | none detected | none detected | 0 of 29 | Within |
| Barnwell Town of (sc0610001) | none detected | none detected | 0 of 29 | Within |
| Beech Island W/d (sc0220004) | none detected | none detected | 0 of 29 | Within |
| Bennettsville City of (sc3410001) | none detected | none detected | 0 of 29 | Within |
| Bethlehem-roanoke W/d (3920003) | none detected | none detected | 0 of 29 | Within |
| Big Creek W/s District (0420009) | none detected | none detected | 1 of 29 | Within |
| Bishopville Town of (3110001) | none detected | none detected | 0 of 29 | Within |
| Blue Ridge Water Co Inc (sc2320003) | none detected | none detected | 0 of 29 | Within |
| Branchville Town of (3810005) | none detected | none detected | 0 of 29 | Within |
| Broad Creek Psd (0720009) | none detected | none detected | 0 of 29 | Within |
| Broadway W&s District (0420008) | none detected | none detected | 1 of 29 | Within |
| Bucksport Water Company (sc2620003) | none detected | none detected | 0 of 29 | Within |
| Cassatt Wtr Kershaw-lee Co Rwa | none detected | none detected | 0 of 29 | Within |
| Chesterfield Co Rural Water (sc1320003) | none detected | none detected | 0 of 29 | Within |
| Clemson City of (sc3910004) | none detected | none detected | 1 of 29 | Within |
| Clemson University (sc3910006) | none detected | none detected | 1 of 29 | Within |
| Clover Town of (4610006) | none detected | none detected | 0 of 29 | Within |
| Dacusville-cedarrock Wt Co (sc3920008) | none detected | none detected | 0 of 29 | Within |
| Dalzell Water District (sc4320001) | none detected | none detected | 0 of 29 | Within |
| Darlington City of (sc1610001) | none detected | none detected | 0 of 29 | Within |
| Darlington County W&sa (1620001) | none detected | none detected | 0 of 29 | Within |
| Denmark Town of (0510002) | none detected | none detected | 0 of 29 | Within |
| Dillon City of (sc1710001) | none detected | none detected | 0 of 29 | Within |
| Donalds-due West W&sa (sc0120001) | none detected | none detected | 4 of 29 | Within |
| Easley Combined Util (sc3910002) | none detected | none detected | 0 of 29 | Within |
| Edgefield Co W&sa (1920001) | none detected | none detected | 0 of 29 | Within |
| Edisto Beach Town of (sc1510006) | none detected | none detected | 0 of 29 | Within |
| Electric City Utilities (0410012) | none detected | none detected | 1 of 29 | Within |
| Fort Mill Town of (sc4610003) | none detected | none detected | 2 of 29 | Within |
| Gaston Rural Water Dist (sc3220002) | none detected | none detected | 0 of 29 | Within |
| Gcwsd Kilsock Water Sys (sc2220002) | none detected | none detected | 0 of 29 | Within |
| Georgetown Rural Comm Wa (2220001) | none detected | none detected | 0 of 29 | Within |
| Gilbert-summit Wd (3220001) | none detected | none detected | 0 of 29 | Within |
| Greenville Water (2310001) | none detected | none detected | 0 of 29 | Within |
| Greer Cpw (sc2310005) | none detected | none detected | 0 of 29 | Within |
| Gsw&sa-marion City of (3310001) | none detected | none detected | 0 of 29 | Within |
| Hammond W/d (sc0420007) | none detected | none detected | 1 of 29 | Within |
| Hartsville City of (sc1610003) | none detected | none detected | 0 of 29 | Within |
| Hemingway Town of (sc4510004) | none detected | none detected | 0 of 29 | Within |
| High Hills Rural Water Co Inc (4320003) | none detected | none detected | 0 of 29 | Within |
| Homeland Park W/d (0420001) | none detected | none detected | 1 of 29 | Within |
| Honea Path Town of (0410003) | none detected | none detected | 3 of 29 | Within |
| Inman Campobello W/d (4220002) | none detected | none detected | 0 of 29 | Within |
| Jackson Town of (0210002) | none detected | none detected | 0 of 29 | Within |
| Johnsonville City of (sc2110011) | none detected | none detected | 0 of 29 | Within |
| Keowee Key Utility System Inc (3750023) | none detected | none detected | 0 of 29 | Within |
| Kingstree Town of (4510002) | none detected | none detected | 0 of 29 | Within |
| Lake City City of (sc2110007) | none detected | none detected | 0 of 29 | Within |
| Lake View Town of (sc1710003) | none detected | none detected | 0 of 29 | Within |
| Lakewood Campground (2660049) | none detected | none detected | 0 of 29 | Within |
| Lamar Town of (sc1610004) | none detected | none detected | 0 of 29 | Within |
| Lancaster County W&sd (2920001) | none detected | none detected | 2 of 29 | Within |
| Laurens Cpw (3010001) | none detected | none detected | 3 of 29 | Within |
| Lcf Water District (sc4220010) | none detected | none detected | 0 of 29 | Within |
| Liberty City of (sc3910003) | none detected | none detected | 0 of 29 | Within |
| Loris City of (2610010) | none detected | none detected | 0 of 29 | Within |
| Manning Town of (1410002) | none detected | none detected | 0 of 29 | Within |
| Marco Rural Water Co (sc3320001) | none detected | none detected | 0 of 29 | Within |
| Marlboro Water Co (sc3420001) | none detected | none detected | 0 of 29 | Within |
| Metro Subdistrict B (4220003) | none detected | none detected | 0 of 29 | Within |
| Montmorenci W/d (0220008) | none detected | none detected | 0 of 29 | Within |
| Mullins City of (3310002) | none detected | none detected | 0 of 29 | Within |
| New Ellenton-cpw (0210007) | none detected | none detected | 0 of 29 | Within |
| North Augusta City of (0210003) | none detected | none detected | 0 of 29 | Within |
| Pendleton Town of (sc0410006) | none detected | none detected | 1 of 29 | Within |
| Pickens WTP (3910001) | none detected | none detected | 0 of 29 | Within |
| Pioneer Rural Water Dist (sc3720001) | none detected | none detected | 0 of 29 | Within |
| Powdersville Water District (sc0420002) | none detected | none detected | 1 of 29 | Within |
| Rock Hill City of (sc4610002) | none detected | none detected | 2 of 29 | Within |
| Sandy Springs Water Co Inc (sc0420003) | none detected | none detected | 1 of 29 | Within |
| Seneca City of (3710002) | none detected | none detected | 0 of 29 | Within |
| Silver Lake MHP (sc3260022) | none detected | none detected | 0 of 29 | Within |
| Six Mile W/d (sc3920002) | none detected | none detected | 0 of 29 | Within |
| Sjwd Middle Tyger WTP (4220006) | none detected | none detected | 0 of 29 | Within |
| South Island Psd (sc0720001) | none detected | none detected | 0 of 29 | Within |
| Southside W/d (3920010) | none detected | none detected | 0 of 29 | Within |
| Spartanburg Water System (4210001) | none detected | none detected | 0 of 29 | Within |
| Srns Llc A-area (0230501) | none detected | none detected | 0 of 29 | Within |
| Sumter City of (sc4310001) | none detected | none detected | 0 of 29 | Within |
| Sws-landrum WTP (sc4210003) | none detected | none detected | 0 of 29 | Within |
| Tega Cay City of (sc4610008) | none detected | none detected | 2 of 29 | Within |
| Trico Water Company (sc1720001) | none detected | none detected | 0 of 29 | Within |
| Valley Psa (sc0220012) | none detected | none detected | 0 of 29 | Within |
| Walhalla City of (sc3710004) | none detected | none detected | 0 of 29 | Within |
| Walterboro City of (1510004) | none detected | none detected | 0 of 29 | Within |
| Wcwsa (sc4510007) | none detected | none detected | 0 of 29 | Within |
| West Anderson W/d (0420006) | none detected | none detected | 1 of 29 | Within |
| West Pelzer Town of (sc0410009) | none detected | none detected | 0 of 29 | Within |
| Westminster City of (3710003) | none detected | none detected | 0 of 29 | Within |
| Williamston Town of (0410010) | none detected | none detected | 1 of 29 | Within |
| York City of (4610001) | none detected | none detected | 2 of 29 | Within |
| York County East Wd (4620002) | none detected | none detected | 2 of 29 | Within |
| York County West WD | none detected | none detected | 2 of 29 | Within |
All 165 systems the EPA tested in South Carolina, every one of them with its own page. Each was tested for 29 PFAS compounds.
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Source, the EPA’s fifth Unregulated Contaminant Monitoring Rule, final dataset published 2026-10-15. Original data →