State rankings
South Carolina water-system rankings
Lowest-scoring systems in South Carolina
Ranked lowest score first. Population shown for context.
1 SALUDA CPW (SC4110001) SALUDA, SC · ~3,390 served 10 2 CLINTON CITY OF (SC3010002) CLINTON, SC · ~8,938 served 15 3 LAURENS COUNTY W&S COMM (SC3020001) LAURENS, SC · ~44,866 served 19 4 GREENWOOD CPW (2410001) GREENWOOD, SC · ~52,022 served 22 5 CONWAY CITY OF (SC2610008) CONWAY, SC · ~27,005 served 34 6 GAFFNEY BPW (SC1110001) GAFFNEY, SC · ~24,290 served 34 7 CONWAY RURAL (SC2620001) CONWAY, SC · ~12,740 served 34 8 GRASSY POND WATER CO INC (SC1120002) GAFFNEY, SC · ~9,895 served 34 9 GEORGETOWN CITY OF (SC2210001) GEORGETOWN, SC · ~9,092 served 34 10 BATESBURG LEESVILLE DPW (SC3210002) BATESBURG-LEESVILLE, SC · ~6,814 served 34 11 DRAYTONVILLE WATER DIST (SC1120003) GAFFNEY, SC · ~5,456 served 34 12 GOUCHER WD (1120004) PACOLET, SC · ~5,323 served 34 13 BLACKSBURG TOWN OF (SC1110002) BLACKSBURG, SC · ~4,496 served 34 14 GRASSY POND WATER CORPORATION GAFFNEY, SC · ~1,303 served 34 15 COLUMBIA CITY OF (SC4010001) COLUMBIA, SC · ~319,500 served 36 16 DCWA KNIGHTSVILLE (SC1820001) SUMMERVILLE, SC · ~40,141 served 43 17 NEWBERRY CITY OF (3610001) SILVERSTREET, SC · ~9,947 served 45 18 WARE SHOALS TOWN OF (SC2410003) WARE SHOALS, SC · ~3,174 served 45 19 ISLE OF PALMS W/S COMM (SC1010004) ISLE OF PALMS, SC · ~9,530 served 48 20 SALUDA CO W&S AUTHORITY (4120001) RIDGE SPRING, SC · ~4,535 served 48 21 WEST COLUMBIA CITY OF (3210004) WEST COLUMBIA, SC · ~34,028 served 49 22 LUGOFF ELGIN WATER AUTH (SC2820001) LUGOFF, SC · ~25,783 served 49 23 NEWBERRY CO W&SA (SC3620002) NEWBERRY, SC · ~11,157 served 49 24 MT PLEASANT WATER WORKS (1010002) MOUNT PLEASANT, SC · ~91,500 served 50 25 SUMMERVILLE CPW (SC1810003) SUMMERVILLE, SC · ~81,750 served 51
Highest-scoring large systems in South Carolina
Systems serving 10,000+ people with the best scores.
1 GREENVILLE WATER (2310001) GREENVILLE, SC · ~396,265 served 100 2 SPARTANBURG WATER SYSTEM (4210001) SPARTANBURG, SC · ~166,364 served 100 3 SJWD MIDDLE TYGER WTP (4220006) LYMAN, SC · ~87,259 served 100 4 ROCK HILL CITY OF (SC4610002) ROCK HILL, SC · ~84,504 served 100 5 LANCASTER COUNTY W&SD (SC2920001) LANCASTER, SC · ~79,107 served 100 6 GREER CPW (SC2310005) GREER, SC · ~54,024 served 100 7 SUMTER CITY OF (SC4310001) SUMTER, SC · ~53,070 served 100 8 DARLINGTON COUNTY W&SA (SC1620001) DARLINGTON, SC · ~52,288 served 100
Scores reflect EPA public records (violations, enforcement, PFAS), are system-level, and can’t account for your home’s plumbing. See the methodology.