South Carolina Drinking Water Compliance Records
562 water systems serving 4,815,162 people. 8,883 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
363
65%
B
98
17%
C
73
13%
D
24
4%
F
4
1%
562
Water Systems
4,815,162
Population Served
8,883
Historical Records
1,364
Health-Based (All Years)
Systems With the Most Recent EPA Records
LINCOLNVILLE TOWN OF (SC1010007)
1,980 served27 historical records12 recent
C
BEL AIR MHP (SC4060009)
34 served20 historical records11 recent
D
GCWSD CARVERS BAY (SC2220013)
3,133 served19 historical records11 recent
D
HIGH HILLS RURAL WATER CO INC (4320003)
12,545 served19 historical records10 recent
C
COUNTRY PARK (SC3260187)
36 served23 historical records10 recent
D
HIDDEN ACRES MHP (SC3260207)
74 served16 historical records10 recent
C
CALHOUN FALLS TOWN OF (SC0110002)
2,473 served25 historical records10 recent
D
RICHLAND ESTATES MHC (SC4060038)
90 served28 historical records10 recent
D
LOCKHART TOWN OF (SC4420010)
496 served21 historical records9 recent
F
GLEN AT CLOVER LLC THE (SC4660064)
300 served26 historical records9 recent
C
Large Systems With No Recent Records
CHARLESTON WATER SYSTEM (SC1010001)
327,422 served14 historical records
A
GSW&SA (SC2620004)
252,840 served11 historical records
A
SPARTANBURG WATER SYSTEM (SC4210001)
166,364 served10 historical records
A
BCWSA SANGAREE W/D (0820002)
95,345 served13 historical records
A
MT PLEASANT WATER WORKS (1010002)
91,500 served2 historical records
A
ROCK HILL CITY OF (SC4610002)
89,850 served14 historical records
A
SJWD MIDDLE TYGER WTP (SC4220006)
89,531 served3 historical records
A
SUMMERVILLE CPW (SC1810003)
81,750 served6 historical records
A
FLORENCE CITY OF (SC2110001)
79,745 served9 historical records
A
LANCASTER COUNTY W&SD (SC2920001)
79,107 served22 historical records
A
Largest Water Systems in South Carolina
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| GREENVILLE WATER (SC2310001) | B | 426,057 | 18 |
| COLUMBIA CITY OF (SC4010001) | C | 354,068 | 23 |
| CHARLESTON WATER SYSTEM (SC1010001) | A | 327,422 | 14 |
| GSW&SA (SC2620004) | A | 252,840 | 11 |
| SPARTANBURG WATER SYSTEM (SC4210001) | A | 166,364 | 10 |
| BJW&SA (SC0720003) | C | 164,829 | 18 |
| BCWSA SANGAREE W/D (0820002) | A | 95,345 | 13 |
| MT PLEASANT WATER WORKS (1010002) | A | 91,500 | 2 |
| ROCK HILL CITY OF (SC4610002) | A | 89,850 | 14 |
| SJWD MIDDLE TYGER WTP (SC4220006) | A | 89,531 | 3 |
| SUMMERVILLE CPW (SC1810003) | A | 81,750 | 6 |
| FLORENCE CITY OF (SC2110001) | A | 79,745 | 9 |
| LANCASTER COUNTY W&SD (SC2920001) | A | 79,107 | 22 |
| GREER CPW (SC2310005) | A | 54,024 | 12 |
| SUMTER CITY OF (SC4310001) | A | 53,070 | 4 |
| DARLINGTON COUNTY W&SA (SC1620001) | A | 52,288 | 4 |
| GREENWOOD CPW (2410001) | A | 52,022 | 10 |
| AIKEN CITY OF (SC0210001) | A | 51,533 | 19 |
| MYRTLE BEACH CITY OF (SC2610001) | B | 49,375 | 15 |
| JOINT MUNICIPAL WSC (SC3220003) | A | 47,838 | 13 |
Contaminants in South Carolina
Lead in South CarolinaArsenic in South CarolinaNitrate in South CarolinaFluoride in South CarolinaPFOS in South CarolinaPFOA in South CarolinaTHMs in South CarolinaHAA5 in South Carolina
Cities in South Carolina
GREENVILLE(1)COLUMBIA(118)CONWAY(9)CHARLESTON(1)SPARTANBURG(3)OKATIE(2)SUMMERVILLE(17)MONCKS CORNER(11)GREER(3)ROCK HILL(24)LANCASTER(2)MOUNT PLEASANT(3)LYMAN(1)FLORENCE(1)EASLEY(7)LEXINGTON(25)ANDERSON(22)WEST COLUMBIA(32)SUMTER(17)MYRTLE BEACH(4)YORK(16)DARLINGTON(2)LAURENS(3)AIKEN(8)NORTH AUGUSTA(2)PAWLEYS ISLAND(7)GREENWOOD(5)SWANSEA(3)HILTON HEAD ISLAND(6)ORANGEBURG(3)GAFFNEY(4)N MYRTLE BEACH(1)NORTH MYRTLE BEACH(1)GOOSE CREEK(1)SENECA(5)BELTON(3)INMAN(1)POWDERSVILLE(1)JOHNS ISLAND (STA.)(2)WOODRUFF(1)FORT JACKSON(1)WESTMINSTER(9)EDGEFIELD(1)FORT MILL(8)JOHNS ISLAND(2)CHESTERFIELD(2)CLEMSON(4)NORTH CHARLESTON(1)MARION(2)LUGOFF(1)CASSATT(1)PICKENS(6)DILLON(2)CHESNEE(2)UNION(3)SANDY SPRINGS(2)LA FRANCE(2)GRANITEVILLE(2)NEWBERRY(3)CAMDEN(1)CAYCE(1)WEST ANDERSON(1)GEORGETOWN(3)DALZELL(2)WALHALLA(1)CHESTER(1)FORT LAWN(1)WINNSBORO(3)SIX MILE(1)BENNETTSVILLE(2)KINGSTREE(3)LIBERTY(3)GLOVERVILLE(2)GASTON(10)WALTERBORO(2)KIAWAH ISLAND(3)STARR(1)LAKE CITY(2)SALEM(8)GILBERT(4)TEGA CAY(1)MCCORMICK(2)MANNING(4)SHAW AFB(1)SILVERSTREET(1)CLOVER(12)ISLE OF PALMS(1)CLINTON(1)BEECH ISLAND(1)NEW ELLENTON(3)HARTSVILLE(1)HAMPTON(5)SALUDA(3)MULLINS(1)BATESBURG(2)HONEA PATH(2)BATESBURG-LEESVILLE(1)WILLIAMSTON(1)ALLENDALE(2)NORRIS(2)