Largest water suppliers
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that supplier.
| Supplier | City | Population | Lead (p90) |
|---|---|---|---|
| Greenville Water (sc2310001) | Greenville | 426,057 | 0.0000 mg/L |
| Columbia City of (sc4010001) | Columbia | 354,068 | 0.0050 mg/L |
| Charleston Water System (sc1010001) | Charleston | 327,422 | 0.0035 mg/L |
| Gsw&Sa (sc2620004) | Conway | 252,840 | 0.0006 mg/L |
| Spartanburg Water System (sc4210001) | Spartanburg | 166,364 | 0.0000 mg/L |
| Bjw&Sa (sc0720003) | — | 164,829 | 0.0006 mg/L |
| Bcwsa Sangaree W/D (0820002) | Moncks Corner | 95,345 | 0.0004 mg/L |
| Mt Pleasant Water Works (1010002) | Mount Pleasant | 91,500 | 0.0011 mg/L |
| Rock Hill City of (sc4610002) | Rock Hill | 89,850 | 0.0020 mg/L |
| Sjwd Middle Tyger Wtp (sc4220006) | Lyman | 89,531 | 0.0000 mg/L |
| Summerville Cpw (sc1810003) | Summerville | 81,750 | 0.0009 mg/L |
| Florence City of (sc2110001) | Florence | 79,745 | 0.0011 mg/L |
| Lancaster County W&Sd (sc2920001) | Lancaster | 79,107 | 0.0050 mg/L |
| Greer Cpw (sc2310005) | Greer | 54,024 | 0.0000 mg/L |
| Sumter City of (sc4310001) | Sumter | 53,070 | 0.0008 mg/L |
| Darlington County W&Sa (sc1620001) | Darlington | 52,288 | 0.0016 mg/L |
| Greenwood Cpw (2410001) | Greenwood | 52,022 | 0.0040 mg/L |
| Aiken City of (sc0210001) | Aiken | 51,533 | 0.0008 mg/L |
| Myrtle Beach City of (sc2610001) | Myrtle Beach | 49,375 | 0.0006 mg/L |
| Joint Municipal Wsc (sc3220003) | Lexington | 47,838 | 0.0040 mg/L |
| Orangeburg Dpu (sc3810001) | Orangeburg | 47,463 | 0.0007 mg/L |
| Laurens County W&S Comm (sc3020001) | Laurens | 44,866 | 0.0000 mg/L |
| N Myrtle Beach City of (sc2610011) | North Myrtle Beach | 43,883 | 0.0013 mg/L |
| Goose Creek City of (sc0810004) | Goose Creek | 43,744 | 0.0000 mg/L |
| Gcwsd Waccamaw Neck (sc2220010) | Pawleys Island | 41,300 | 0.0069 mg/L |
| Inman Campobello W/D (4220002) | Inman | 41,007 | 0.0000 mg/L |
| Dcwa Knightsville (sc1820001) | Summerville | 40,141 | 0.0003 mg/L |
| Blue Ridge Water Co Inc (sc2320003) | Greer | 40,006 | 0.0070 mg/L |
| Seneca City of (sc3710002) | Seneca | 39,772 | 0.0030 mg/L |
| Electric City Utilities (sc0410012) | Anderson | 38,204 | 0.0000 mg/L |
| Easley Combined Util (sc3910002) | Easley | 36,098 | 0.0000 mg/L |
| Powdersville Water District (sc0420002) | Easley | 34,960 | 0.0050 mg/L |
| West Columbia City of (sc3210004) | West Columbia | 34,028 | 0.0030 mg/L |
| Woodruff Roebuck W/D (sc4220007) | Woodruff | 32,038 | 0.0000 mg/L |
| Fort Jackson (sc4010501) | Fort Jackson | 31,000 | 0.0000 mg/L |
| York County East Wd (sc4620002) | York | 30,225 | 0.0030 mg/L |
| Edgefield Co W&Sa (1920001) | North Augusta | 29,200 | 0.0021 mg/L |
| Conway City of (sc2610008) | Conway | 27,005 | 0.0006 mg/L |
| Dcws Ashley Phosphate (sc1820008) | North Charleston | 26,536 | 0.0005 mg/L |
| North Augusta City of (sc0210003) | North Augusta | 26,125 | 0.0017 mg/L |
| Lugoff Elgin Water Auth (sc2820001) | Lugoff | 25,783 | 0.0017 mg/L |
| Chesterfield Co Rural Water (sc1320003) | Chesterfield | 25,691 | 0.0017 mg/L |
| Hilton Head Psd 1 (0720006) | Hilton Head Island | 25,558 | 0.0010 mg/L |
| Cassatt Wtr Kershaw-Lee Co Rwa | Cassatt | 25,485 | 0.0015 mg/L |
| Fort Mill Town of (sc4610003) | Fort Mill | 25,000 | 0.0000 mg/L |
| Gaffney Bpw (sc1110001) | Gaffney | 24,290 | 0.0000 mg/L |
| Lexington Town of (3210001) | Lexington | 24,284 | 0.0040 mg/L |
| St John'S Water (sc1020002) | Johns Island (Sta.) | 22,592 | 0.0020 mg/L |
| Breezy Hill W/D (sc0220006) | Graniteville | 21,197 | 0.0008 mg/L |
| Hammond W/D (sc0420007) | Belton | 21,193 | 0.0110 mg/L |
| Camden City of (sc2810001) | Camden | 19,076 | 0.0022 mg/L |
| South Island Psd (sc0720001) | Hilton Head Island | 18,299 | 0.0021 mg/L |
| York County West Wd (sc4620003) | York | 18,273 | 0.0000 mg/L |
| Lcf Water District (sc4220010) | Chesnee | 18,152 | 0.0000 mg/L |
| Trico Water Company (sc1720001) | Dillon | 17,963 | 0.0013 mg/L |
| Clemson City of (sc3910004) | Clemson | 17,896 | 0.0050 mg/L |
| Cayce City of (sc3210003) | Cayce | 17,460 | 0.0000 mg/L |
| West Anderson W/D (0420006) | West Anderson | 17,430 | 0.0000 mg/L |
| Sandy Springs Water Co Inc (sc0420003) | La France | 17,311 | 0.0030 mg/L |
| Bucksport Water Company (sc2620003) | Conway | 17,123 | 0.0021 mg/L |
| Marco Rural Water Co (sc3320001) | Marion | 17,120 | 0.0000 mg/L |
| Pioneer Rural Water Dist (sc3720001) | Westminster | 16,929 | 0.0000 mg/L |
| Walhalla City of (sc3710004) | Walhalla | 16,010 | 0.0000 mg/L |
| Chester Metropolitan District (1220002) | Fort Lawn | 15,668 | 0.0000 mg/L |
| Six Mile W/D (sc3920002) | Six Mile | 14,845 | 0.0021 mg/L |
| Lancaster City of (sc2910001) | Lancaster | 14,074 | 0.0030 mg/L |
| Laurens Cpw (sc3010001) | Laurens | 13,902 | 0.0020 mg/L |
| Big Creek W/S District (0420009) | Belton | 13,647 | 0.0000 mg/L |
| Union City of (sc4410001) | Union | 13,076 | 0.0000 mg/L |
| Bcwsa East Cooper (sc0820009) | Moncks Corner | 12,933 | 0.0007 mg/L |
| Conway Rural (sc2620001) | Conway | 12,740 | 0.0002 mg/L |
| High Hills Rural Water Co Inc (4320003) | Dalzell | 12,545 | 0.0013 mg/L |
| Walterboro City of (1510004) | Walterboro | 11,829 | 0.0007 mg/L |
| Newberry Co W&Sa (sc3620002) | Newberry | 11,157 | 0.0000 mg/L |
| York City of (sc4610001) | York | 11,137 | 0.0000 mg/L |
| Starr-Iva W/D (sc0420005) | Starr | 11,125 | 0.0000 mg/L |
| Ocean Lakes Ltd (sc2660048) | Myrtle Beach | 10,727 | 0.0012 mg/L |
| Tega Cay City of (sc4610008) | Tega Cay | 10,500 | 0.0000 mg/L |
| Gilbert-Summit Wd (3220001) | Gilbert | 10,400 | 0.0020 mg/L |
| Winnsboro Town of (2010001) | Winnsboro | 10,391 | 0.0120 mg/L |
| Pickens Wtp (sc3910001) | Pickens | 10,263 | 0.0040 mg/L |
| Shaw Afb (sc4310501) | Shaw Afb | 10,000 | 0.0002 mg/L |
| Newberry City of (3610001) | Newberry | 9,947 | 0.0000 mg/L |
| Grassy Pond Water Co Inc (sc1120002) | Gaffney | 9,895 | 0.0000 mg/L |
| Westminster City of (sc3710003) | Westminster | 9,588 | 0.0040 mg/L |
| Broadway W&S District (sc0420008) | Anderson | 9,586 | 0.0000 mg/L |
| Southside W/D (3920010) | Liberty | 9,568 | 0.0000 mg/L |
| Kiawah Island Utility (sc1010008) | Johns Island (Sta.) | 9,550 | 0.0011 mg/L |
| Isle of Palms W/S Comm (sc1010004) | Isle of Palms | 9,530 | 0.0005 mg/L |
| Lake City City of (sc2110007) | Lake City | 9,191 | 0.0013 mg/L |
| Bennettsville City of (sc3410001) | Bennettsville | 9,168 | 0.0010 mg/L |
| Gsw&Sa-Marion City of (sc3310001) | Marion | 9,104 | 0.0012 mg/L |
| Georgetown City of (sc2210001) | Georgetown | 9,092 | 0.0074 mg/L |
| Moncks Corner City of (sc0810001) | Moncks Corner | 8,956 | 0.0006 mg/L |
| Clinton City of (sc3010002) | Clinton | 8,938 | 0.0030 mg/L |
| Beech Island W/D (sc0220004) | Beech Island | 8,935 | 0.0046 mg/L |
| Hartsville City of (sc1610003) | Hartsville | 8,711 | 0.0018 mg/L |
| Dacusville-Cedar Rock Wt Co (sc3920008) | Pickens | 8,700 | 0.0000 mg/L |
| Mccormick Co W&Sa (sc3520002) | Mccormick | 8,500 | 0.0000 mg/L |
| Clover Town of (sc4610006) | Clover | 8,400 | 0.0000 mg/L |