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South Carolina Tap Water Quality: Is It Safe to Drink?

2026 EPA water quality data for 563 community water systems serving a combined 4,688,299 people in South Carolina. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.

South Carolina draws drinking water from Piedmont reservoirs, the Santee-Cooper lake system, and Coastal Plain aquifers. Disinfection byproduct violations are the most common compliance issue, particularly among smaller systems. Radium and other naturally occurring radionuclides appear in some Coastal Plain groundwater.

Find Your Water System in South Carolina

Enter your ZIP code to see EPA violations, lead test results, PFAS data, and a safety grade for your water.

📊 Data from EPA’s SDWIS · 🔄 Updated quarterly · 🏛️ 563 water systems in South Carolina

Showing the 250 largest of 563 community water systems in South Carolina, by population served. Use the ZIP search above or the city links to find a smaller system.

GREENVILLE WATER (2310001) GREENVILLE, SC · 396,265 people · Surface Water CHARLESTON WATER SYSTEM (SC1010001) CHARLESTON, SC · 327,422 people · Surface Water COLUMBIA CITY OF (SC4010001) COLUMBIA, SC · 319,500 people · Surface Water GSW&SA (SC2620004) CONWAY, SC · 252,840 people · Surface Water SPARTANBURG WATER SYSTEM (4210001) SPARTANBURG, SC · 166,364 people · Surface Water BJW&SA (0720003) OKATIE, SC · 145,634 people · Surface Water BCWSA SANGAREE W/D (0820002) MONCKS CORNER, SC · 95,345 people · Surface Water Purchased MT PLEASANT WATER WORKS (1010002) MOUNT PLEASANT, SC · 91,500 people · Surface Water Purchased SJWD MIDDLE TYGER WTP (4220006) LYMAN, SC · 87,259 people · Surface Water ROCK HILL CITY OF (SC4610002) ROCK HILL, SC · 84,504 people · Surface Water SUMMERVILLE CPW (SC1810003) SUMMERVILLE, SC · 81,750 people · Surface Water Purchased FLORENCE CITY OF (SC2110001) FLORENCE, SC · 79,745 people · Surface Water LANCASTER COUNTY W&SD (SC2920001) LANCASTER, SC · 79,107 people · Surface Water Purchased GREER CPW (SC2310005) GREER, SC · 54,024 people · Surface Water SUMTER CITY OF (SC4310001) SUMTER, SC · 53,070 people · Groundwater DARLINGTON COUNTY W&SA (SC1620001) DARLINGTON, SC · 52,288 people · Groundwater GREENWOOD CPW (2410001) GREENWOOD, SC · 52,022 people · Surface Water MYRTLE BEACH CITY OF (SC2610001) MYRTLE BEACH, SC · 49,375 people · Surface Water Purchased JOINT MUNICIPAL WSC (SC3220003) SWANSEA, SC · 47,838 people · Surface Water Purchased ORANGEBURG DPU (SC3810001) ORANGEBURG, SC · 46,896 people · Surface Water AIKEN CITY OF (SC0210001) AIKEN, SC · 45,090 people · Surface Water LAURENS COUNTY W&S COMM (SC3020001) LAURENS, SC · 44,866 people · Surface Water GOOSE CREEK CITY OF (SC0810004) GOOSE CREEK, SC · 43,744 people · Surface Water Purchased N MYRTLE BEACH CITY OF (SC2610011) NORTH MYRTLE BEACH, SC · 40,625 people · Surface Water Purchased DCWA KNIGHTSVILLE (SC1820001) SUMMERVILLE, SC · 40,141 people · Surface Water Purchased BLUE RIDGE WATER CO INC (SC2320003) GREER, SC · 40,006 people · Surface Water Purchased ELECTRIC CITY UTILITIES (SC0410012) ANDERSON, SC · 38,204 people · Surface Water Purchased GCWSD WACCAMAW NECK (SC2220010) PAWLEYS ISLAND, SC · 37,790 people · Surface Water SENECA CITY OF (SC3710002) SENECA, SC · 37,478 people · Surface Water INMAN CAMPOBELLO W/D (4220002) INMAN, SC · 36,685 people · Surface Water Purchased EASLEY COMBINED UTIL (SC3910002) EASLEY, SC · 36,098 people · Surface Water POWDERSVILLE WATER DISTRICT (SC0420002) POWDERSVILLE, SC · 34,960 people · Surface Water Purchased WEST COLUMBIA CITY OF (3210004) WEST COLUMBIA, SC · 34,028 people · Surface Water FORT JACKSON (SC4010501) FORT JACKSON, SC · 31,000 people · Surface Water Purchased YORK COUNTY EAST WD (SC4620002) YORK, SC · 30,225 people · Surface Water Purchased EDGEFIELD CO W&SA (1920001) EDGEFIELD, SC · 29,200 people · Surface Water WOODRUFF ROEBUCK W/D (4220007) WOODRUFF, SC · 28,897 people · Surface Water CONWAY CITY OF (SC2610008) CONWAY, SC · 27,005 people · Surface Water Purchased DCWS ASHLEY PHOSPHATE (SC1820008) SUMMERVILLE, SC · 26,536 people · Surface Water Purchased NORTH AUGUSTA CITY OF (SC0210003) NORTH AUGUSTA, SC · 26,125 people · Surface Water LUGOFF ELGIN WATER AUTH (SC2820001) LUGOFF, SC · 25,783 people · Surface Water CHESTERFIELD CO RURAL WATER (SC1320003) CHESTERFIELD, SC · 25,691 people · Groundwater Purchased HILTON HEAD PSD 1 (0720006) HILTON HEAD ISLAND, SC · 25,558 people · Surface Water Purchased CASSATT WTR KERSHAW-LEE CO RWA CASSATT, SC · 25,485 people · Groundwater FORT MILL TOWN OF (SC4610003) FORT MILL, SC · 25,000 people · Surface Water Purchased GAFFNEY BPW (SC1110001) GAFFNEY, SC · 24,290 people · Surface Water LEXINGTON TOWN OF (3210001) LEXINGTON, SC · 24,284 people · Surface Water Purchased ST JOHN'S WATER (SC1020002) JOHNS ISLAND, SC · 22,592 people · Surface Water Purchased HAMMOND W/D (SC0420007) BELTON, SC · 21,193 people · Surface Water Purchased SOUTH ISLAND PSD (SC0720001) HILTON HEAD ISLAND, SC · 18,299 people · Groundwater YORK COUNTY WEST WD (SC4620003) YORK, SC · 18,273 people · Surface Water Purchased CAMDEN CITY OF (2810001) CAMDEN, SC · 18,193 people · Surface Water LCF WATER DISTRICT (SC4220010) CHESNEE, SC · 18,152 people · Surface Water Purchased TRICO WATER COMPANY (SC1720001) DILLON, SC · 17,963 people · Groundwater CLEMSON CITY OF (SC3910004) CLEMSON, SC · 17,896 people · Surface Water Purchased BREEZY HILL W/D (SC0220006) GRANITEVILLE, SC · 17,822 people · Surface Water CAYCE CITY OF (SC3210003) WEST COLUMBIA, SC · 17,460 people · Surface Water WEST ANDERSON W/D (0420006) ANDERSON, SC · 17,430 people · Surface Water Purchased SANDY SPRINGS WATER CO INC (SC0420003) SANDY SPRINGS, SC · 17,311 people · Surface Water Purchased BUCKSPORT WATER COMPANY (SC2620003) CONWAY, SC · 17,123 people · Groundwater MARCO RURAL WATER CO (SC3320001) MARION, SC · 17,120 people · Groundwater PIONEER RURAL WATER DIST (SC3720001) WESTMINSTER, SC · 16,929 people · Surface Water WALHALLA CITY OF (SC3710004) WALHALLA, SC · 16,010 people · Surface Water CHESTER METROPOLITAN DISTRICT (1220002) CHESTER, SC · 15,668 people · Surface Water SIX MILE W/D (SC3920002) SIX MILE, SC · 14,845 people · Surface Water Purchased LANCASTER CITY OF (SC2910001) LANCASTER, SC · 14,074 people · Surface Water Purchased LAURENS CPW (SC3010001) LAURENS, SC · 13,902 people · Surface Water BIG CREEK W/S DISTRICT (0420009) BELTON, SC · 13,647 people · Surface Water Purchased UNION CITY OF (SC4410001) UNION, SC · 13,076 people · Surface Water BCWSA EAST COOPER (SC0820009) MONCKS CORNER, SC · 12,933 people · Surface Water Purchased CONWAY RURAL (SC2620001) CONWAY, SC · 12,740 people · Surface Water Purchased HIGH HILLS RURAL WATER CO INC (4320003) DALZELL, SC · 12,545 people · Groundwater WALTERBORO CITY OF (1510004) WALTERBORO, SC · 11,829 people · Groundwater NEWBERRY CO W&SA (SC3620002) NEWBERRY, SC · 11,157 people · Surface Water YORK CITY OF (SC4610001) YORK, SC · 11,137 people · Surface Water Purchased STARR-IVA W/D (SC0420005) STARR, SC · 11,125 people · Surface Water Purchased OCEAN LAKES LTD (SC2660048) MYRTLE BEACH, SC · 10,727 people · Surface Water Purchased TEGA CAY CITY OF (SC4610008) TEGA CAY, SC · 10,500 people · Surface Water Purchased GILBERT-SUMMIT WD (3220001) GILBERT, SC · 10,400 people · Groundwater WINNSBORO TOWN OF (2010001) WINNSBORO, SC · 10,391 people · Surface Water PICKENS WTP (SC3910001) PICKENS, SC · 10,263 people · Surface Water Purchased NEWBERRY CITY OF (3610001) SILVERSTREET, SC · 9,947 people · Surface Water GRASSY POND WATER CO INC (SC1120002) GAFFNEY, SC · 9,895 people · Surface Water Purchased BROADWAY W&S DISTRICT (SC0420008) ANDERSON, SC · 9,586 people · Surface Water Purchased SOUTHSIDE W/D (3920010) LIBERTY, SC · 9,568 people · Surface Water Purchased KIAWAH ISLAND UTILITY (SC1010008) KIAWAH ISLAND, SC · 9,550 people · Surface Water Purchased ISLE OF PALMS W/S COMM (SC1010004) ISLE OF PALMS, SC · 9,530 people · Surface Water Purchased LAKE CITY CITY OF (SC2110007) LAKE CITY, SC · 9,191 people · Groundwater BENNETTSVILLE CITY OF (SC3410001) BENNETTSVILLE, SC · 9,168 people · Surface Water GSW&SA-MARION CITY OF (3310001) CONWAY, SC · 9,104 people · Groundwater GEORGETOWN CITY OF (SC2210001) GEORGETOWN, SC · 9,092 people · Surface Water MONCKS CORNER CITY OF (SC0810001) MONCKS CORNER, SC · 8,956 people · Surface Water Purchased CLINTON CITY OF (SC3010002) CLINTON, SC · 8,938 people · Surface Water BEECH ISLAND W/D (SC0220004) BEECH ISLAND, SC · 8,935 people · Groundwater HARTSVILLE CITY OF (SC1610003) HARTSVILLE, SC · 8,711 people · Groundwater DACUSVILLE-CEDAR ROCK WT CO (SC3920008) PICKENS, SC · 8,700 people · Surface Water Purchased MCCORMICK CO W&SA (SC3520002) MCCORMICK, SC · 8,500 people · Surface Water Purchased CLOVER TOWN OF (SC4610006) CLOVER, SC · 8,400 people · Surface Water Purchased CLEMSON UNIVERSITY (SC3910006) CLEMSON, SC · 8,320 people · Surface Water Purchased WESTMINSTER CITY OF (3710003) WESTMINSTER, SC · 8,085 people · Surface Water VALLEY PSA (SC0220012) GLOVERVILLE, SC · 7,752 people · Groundwater GASTON RURAL WATER DIST (SC3220002) GASTON, SC · 7,550 people · Groundwater MEANSVILLE RILEY W/D (SC4420001) UNION, SC · 7,368 people · Surface Water Purchased MULLINS CITY OF (3310002) CONWAY, SC · 7,366 people · Groundwater HOMELAND PARK W/D (SC0420001) ANDERSON, SC · 7,328 people · Surface Water Purchased NEW ELLENTON CPW (SC0210007) NEW ELLENTON, SC · 7,277 people · Groundwater DARLINGTON CITY OF (SC1610001) DARLINGTON, SC · 7,142 people · Groundwater WCWSA (SC4510007) KINGSTREE, SC · 7,099 people · Groundwater DILLON CITY OF (SC1710001) DILLON, SC · 6,998 people · Groundwater BATESBURG LEESVILLE DPW (SC3210002) BATESBURG-LEESVILLE, SC · 6,814 people · Surface Water BELTON CITY OF (SC0410004) BELTON, SC · 6,762 people · Surface Water Purchased WILLIAMSTON TOWN OF (0410010) WILLIAMSTON, SC · 6,693 people · Surface Water Purchased BGWC I-20 (SC3250012) COLUMBIA, SC · 6,637 people · Surface Water Purchased SALEM TOWN OF (SC3710001) SALEM, SC · 6,444 people · Surface Water Purchased BETHLEHEM-ROANOKE W/D (SC3920003) PICKENS, SC · 6,334 people · Surface Water Purchased CHERAW TOWN OF (SC1310001) CHERAW, SC · 6,325 people · Surface Water KINGSTREE TOWN OF (SC4510002) KINGSTREE, SC · 6,009 people · Groundwater SEABROOK ISLAND TOWN OF (1010009) JOHNS ISLAND, SC · 5,939 people · Surface Water Purchased MANNING CITY OF (SC1410002) MANNING, SC · 5,908 people · Groundwater EDISTO BEACH TOWN OF (SC1510006) EDISTO ISLAND, SC · 5,848 people · Groundwater DANIEL MORGAN WATER DISTRICT (1120001) CHESNEE, SC · 5,746 people · Surface Water Purchased ABBEVILLE CITY OF (SC0110001) ABBEVILLE, SC · 5,650 people · Surface Water PENDLETON TOWN OF (SC0410006) PENDLETON, SC · 5,597 people · Surface Water Purchased DRAYTONVILLE WATER DIST (SC1120003) GAFFNEY, SC · 5,456 people · Surface Water Purchased MARLBORO WATER CO (SC3420001) BENNETTSVILLE, SC · 5,360 people · Groundwater GOUCHER WD (1120004) PACOLET, SC · 5,323 people · Surface Water Purchased DONALDS-DUE WEST W&SA (SC0120001) DONALDS, SC · 5,200 people · Surface Water Purchased SWS-LANDRUM WTP (SC4210003) SPARTANBURG, SC · 5,143 people · Surface Water SHAW AFB (SC4310501) SHAW AFB, SC · 5,125 people · Groundwater FOLLY BEACH CITY OF (1010005) FOLLY BEACH, SC · 5,086 people · Surface Water Purchased JOHNSONVILLE CITY OF (SC2110011) JOHNSONVILLE, SC · 5,083 people · Groundwater GEORGETOWN RURAL COMM WA (2220001) GEORGETOWN, SC · 4,941 people · Groundwater ALLIGATOR RURAL WATER (SC1320004) MCBEE, SC · 4,743 people · Groundwater BARNWELL TOWN OF (SC0610001) BARNWELL, SC · 4,693 people · Groundwater SALUDA CO W&S AUTHORITY (4120001) RIDGE SPRING, SC · 4,535 people · Surface Water BLACKSBURG TOWN OF (SC1110002) BLACKSBURG, SC · 4,496 people · Surface Water Purchased GCWSD KILSOCK WATER SYS (SC2220002) PAWLEYS ISLAND, SC · 4,417 people · Groundwater LAKEWOOD CAMPGROUND (SC2660049) MYRTLE BEACH, SC · 4,415 people · Groundwater HONEA PATH TOWN OF (SC0410003) HONEA PATH, SC · 4,386 people · Surface Water Purchased TROLLEY RUN STATION DEVELOPMENT(0220016) GLOVERVILLE, SC · 4,361 people · Groundwater LORIS CITY OF (SC2610010) LORIS, SC · 4,350 people · Surface Water Purchased KEOWEE KEY UTILITY SYSTEM INC (3750023) SALEM, SC · 4,108 people · Surface Water Purchased HIGHWAY 88 W/D (SC0420004) SANDY SPRINGS, SC · 3,990 people · Surface Water Purchased AMICKS FERRY WTR SYSTEM (SC3250077) CHAPIN, SC · 3,937 people · Surface Water Purchased DALZELL WATER DISTRICT (SC4320001) SUMTER, SC · 3,912 people · Groundwater ALLENDALE TOWN OF (SC0310001) ALLENDALE, SC · 3,882 people · Groundwater MONTMORENCI W/D (SC0220008) AIKEN, SC · 3,837 people · Groundwater BISHOPVILLE TOWN OF (SC3110001) BISHOPVILLE, SC · 3,810 people · Groundwater BAMBERG PUBLIC WORKS (SC0510001) BAMBERG, SC · 3,735 people · Groundwater JACKSON TOWN OF (SC0210002) JACKSON, SC · 3,660 people · Groundwater WALLACE WATER COMPANY (SC3420002) WALLACE, SC · 3,552 people · Groundwater FRIPP ISLAND PSD (SC0720002) FRIPP ISLAND, SC · 3,536 people · Surface Water Purchased CLARENDON CO W&S HWY 260 (SC1450013) MANNING, SC · 3,521 people · Groundwater DENMARK TOWN OF (SC0510002) DENMARK, SC · 3,500 people · Groundwater MIDCOUNTY WATER DIST 2 (SC2020004) WINNSBORO, SC · 3,500 people · Surface Water Purchased CENTRAL TOWN OF (SC3910005) CENTRAL, SC · 3,495 people · Surface Water Purchased BROAD CREEK PSD (SC0720009) HILTON HEAD ISLAND, SC · 3,481 people · Surface Water Purchased PAGELAND CITY OF (SC1310003) PAGELAND, SC · 3,467 people · Groundwater Purchased HAMPTON TOWN OF (2510001) HAMPTON, SC · 3,467 people · Groundwater ANDREWS TOWN OF (SC2210003) ANDREWS, SC · 3,450 people · Groundwater SALUDA CPW (SC4110001) SALUDA, SC · 3,390 people · Surface Water Purchased LIBERTY CITY OF (SC3910003) LIBERTY, SC · 3,349 people · Surface Water Purchased EASLEY CENTRAL W/D #1 (SC3920001) NORRIS, SC · 3,283 people · Surface Water OSWEGO RURAL WATER CO (SC4320006) SUMTER, SC · 3,282 people · Groundwater Purchased MARIETTA W/D (2320004) MARIETTA, SC · 3,255 people · Surface Water Purchased WILLISTON TOWN OF (SC0610002) WILLISTON, SC · 3,251 people · Groundwater EASLEY CENTRAL W/D #2 (SC3920007) NORRIS, SC · 3,234 people · Surface Water Purchased HEMINGWAY TOWN OF (SC4510004) HEMINGWAY, SC · 3,191 people · Groundwater WARE SHOALS TOWN OF (SC2410003) WARE SHOALS, SC · 3,174 people · Surface Water Purchased GCWSD CARVERS BAY (SC2220013) PAWLEYS ISLAND, SC · 3,133 people · Groundwater SANTUCK HEBRON WATER CO (4420007) CARLISLE, SC · 3,109 people · Surface Water Purchased BETHUNE RURAL WATER (SC2820006) BETHUNE, SC · 3,100 people · Groundwater NINETY SIX CPW (SC2410002) NINETY SIX, SC · 2,880 people · Surface Water Purchased BROWNS CREEK W/D (SC4420002) UNION, SC · 2,790 people · Surface Water Purchased ALLENDALE INDUSTRIAL PARK (SC0320002) ALLENDALE, SC · 2,694 people · Groundwater RIDGELAND TOWN OF (2710001) RIDGELAND, SC · 2,678 people · Groundwater SILVER SPRINGS W/D (SC3820002) NEESES, SC · 2,660 people · Surface Water Purchased ST MATTHEWS TOWN OF (SC0910001) ST MATTHEWS, SC · 2,644 people · Groundwater KERSHAW TOWN OF (SC2910003) KERSHAW, SC · 2,567 people · Surface Water Purchased BELTON-HONEA PATH WA (SC0410011) HONEA PATH, SC · 2,555 people · Surface Water JENKINSVILLE WATER COMPANY (SC2020001) JENKINSVILLE, SC · 2,550 people · Groundwater BROWNS FERRY WATER CO (SC2220003) GEORGETOWN, SC · 2,550 people · Groundwater SULLIVANS ISLAND TOWN OF (1010003) SULLIVANS ISLAND, SC · 2,521 people · Surface Water Purchased CALHOUN FALLS TOWN OF (SC0110002) CALHOUN FALLS, SC · 2,473 people · Surface Water Purchased ROCKY CREEK W/D (SC4420003) JONESVILLE, SC · 2,464 people · Surface Water Purchased MCCOLL TOWN OF (SC3410003) MCCOLL, SC · 2,445 people · Groundwater SANTEE TOWN OF (3810011) SANTEE, SC · 2,388 people · Surface Water Purchased BULL SWAMP RURAL WTR CO (SC3820001) ORANGEBURG, SC · 2,350 people · Groundwater WATER OAK UTILITY CO (SC0750002) HILTON HEAD, SC · 2,318 people · Surface Water Purchased ST GEORGE TOWN OF (1810001) ST GEORGE, SC · 2,300 people · Groundwater COWARD TOWN OF (SC2110012) COWARD, SC · 2,283 people · Groundwater WHITMIRE TOWN OF (3610004) WHITMIRE, SC · 2,256 people · Surface Water YEMASSEE TOWN OF (SC2510006) HAMPTON, SC · 2,202 people · Groundwater HOPKINS COMMUNITY WATER SYSTEM (4020002) IRMO, SC · 2,200 people · Groundwater RIVERVIEW RURAL CWS (SC4620001) FORT MILL, SC · 2,200 people · Surface Water Purchased ESTILL TOWN OF (SC2510002) ESTILL, SC · 2,120 people · Groundwater SUMMERTON TOWN OF (SC1410003) SUMMERTON, SC · 2,096 people · Groundwater LATTA TOWN OF (SC1710002) LATTA, SC · 2,076 people · Groundwater LINCOLNVILLE TOWN OF (SC1010007) LINCOLNVILLE, SC · 1,980 people · Surface Water Purchased FAIRFAX TOWN OF (SC0310004) FAIRFAX, SC · 1,962 people · Groundwater BLACKVILLE TOWN OF (SC0610003) BLACKVILLE, SC · 1,934 people · Groundwater SWANSEA TOWN OF (SC3210006) SWANSEA, SC · 1,923 people · Surface Water Purchased JONESVILLE TOWN OF (SC4410002) JONESVILLE, SC · 1,917 people · Surface Water Purchased METRO SUBDISTRICT B (4220003) SPARTANBURG, SC · 1,905 people · Surface Water Purchased BARRINEAU WATER SYSTEM (1420002) LAKE CITY, SC · 1,879 people · Groundwater MITFORD WATER DISTRICT (SC2020005) GREAT FALLS, SC · 1,878 people · Surface Water Purchased IVA TOWN OF (SC0410001) IVA, SC · 1,874 people · Surface Water Purchased VARNVILLE TOWN OF (2510005) HAMPTON, SC · 1,865 people · Groundwater MCCORMICK CPW (3510001) MCCORMICK, SC · 1,818 people · Surface Water GCWSD GARDEN CITY POINT (SC2220011) PAWLEYS ISLAND, SC · 1,790 people · Surface Water Purchased UPPER CALHOUN/BELLEVILLE (0920001) GASTON, SC · 1,779 people · Groundwater PAMPLICO TOWN OF (SC2110010) PAMPLICO, SC · 1,734 people · Groundwater HOLLY HILL TOWN OF (SC3810002) HOLLY HILL, SC · 1,710 people · Groundwater FOXWOOD HILLS (SC3750025) DES PERES, MO · 1,703 people · Surface Water Purchased CHESTERFIELD TOWN OF (1310002) CHESTERFIELD, SC · 1,670 people · Groundwater Purchased DCWS/CLAY FIELD DRIVE (SC1850014) SUMMERVILLE, SC · 1,648 people · Surface Water Purchased LIEBER CORRECTIONAL INSTITUTE (1870050) COLUMBIA, SC · 1,646 people · Groundwater RIDGE SPRING TOWN OF (SC4110002) RIDGE SPRING, SC · 1,575 people · Surface Water Purchased ELLOREE WATER SYSTEM (SC3810003) ELLOREE, SC · 1,498 people · Groundwater DCWS SOUTHERN PALMS (SC1850011) SUMMERVILLE, SC · 1,494 people · Surface Water Purchased MIDCOUNTY WATER DIST 1 (2020002) WINNSBORO, SC · 1,487 people · Groundwater NORTH TOWN OF (SC3810010) NORTH, SC · 1,378 people · Groundwater COLLEGE ACRES PUBLIC W/D (SC0220002) AIKEN, SC · 1,360 people · Groundwater LAKE VIEW TOWN OF (SC1710003) CONWAY, SC · 1,293 people · Groundwater Purchased PROSPERITY TOWN OF (SC3610005) PROSPERITY, SC · 1,282 people · Surface Water Purchased BOWMAN TOWN OF (SC3810004) BOWMAN, SC · 1,274 people · Surface Water Purchased UPPER CALHOUN/SANDY RUN (SC0920002) GASTON, SC · 1,247 people · Groundwater MCBEE TOWN OF (SC1310004) MCBEE, SC · 1,239 people · Groundwater Purchased TALATHA W/D (SC0220005) NEW ELLENTON, SC · 1,237 people · Groundwater LAKE WYLIE MHP (SC4660081) CARY, NC · 1,225 people · Groundwater BRANCHVILLE TOWN OF (3810005) BRANCHVILLE, SC · 1,218 people · Groundwater WAGENER TOWN OF (SC0210004) WAGENER, SC · 1,210 people · Groundwater SUMTER CO-WEDGEFIELD-STATEBURG WD SUMTER, SC · 1,200 people · Groundwater CLIFFS AT GLASSY THE (SC2350023) GREER, SC · 1,195 people · Groundwater BGWC OAKLAND PLANTATION (SC4350006) COLUMBIA, SC · 1,180 people · Groundwater MONETTA TOWN OF (SC0210008) MONETTA, SC · 1,152 people · Surface Water Purchased SCRANTON TOWN OF (SC2110009) SCRANTON, SC · 1,133 people · Groundwater GCWSD WEDGEFIELD PLANTATION (2220006) PAWLEYS ISLAND, SC · 1,132 people · Groundwater BGWC GLENN VILLAGE II (SC3250058) COLUMBIA, SC · 1,116 people · Groundwater BURNETTOWN W/D (SC0220007) BATH, SC · 1,090 people · Groundwater GCWSD PLANTERSVILLE SYS (2220004) PAWLEYS ISLAND, SC · 1,079 people · Groundwater ROLLING MEADOWS MHP (3260027) WEST COLUMBIA, SC · 1,056 people · Groundwater HARBOR ISLAND (SC0750013) KIAWAH ISLAND, SC · 1,039 people · Surface Water Purchased LAMAR TOWN OF (SC1610004) LAMAR, SC · 1,034 people · Groundwater Purchased LCJMWSC-PELION TOWN OF (SC3210010) SWANSEA, SC · 1,001 people · Surface Water Purchased BGWC NEVITT FOREST (SC0450007) COLUMBIA, SC · 966 people · Surface Water Purchased RIDGEWAY TOWN OF (SC2010002) RIDGEWAY, SC · 950 people · Surface Water Purchased JEFFERSON TOWN OF (SC1310005) JEFFERSON, SC · 948 people · Groundwater Purchased HEATH SPRINGS TOWN OF (SC2910002) HEATH SPRINGS, SC · 947 people · Surface Water Purchased HARLEYVILLE TOWN OF (SC1810002) HARLEYVILLE, SC · 946 people · Groundwater

South Carolina Drinking Water: Frequently Asked Questions

Is South Carolina tap water safe to drink?

South Carolina has 563 community water systems regulated by the EPA serving a combined 4,688,299 people. Water quality varies by system — search above to find your specific utility and see its violation history, lead test results, and safety grade.

How many water systems are in South Carolina?

There are 563 EPA-regulated community water systems in South Carolina serving a combined 4,688,299 people. Each system is required to test for over 90 contaminants and publicly report any violations.

Does South Carolina have PFAS in its drinking water?

PFAS (forever chemicals) have been detected in water systems across the country, including South Carolina. The EPA finalized enforceable PFAS limits in 2024. Search for your specific water system above to see if PFAS were detected and whether levels exceed the new federal limits.

EPA data last updated: 2026-07-12