Watch Water Systems in South Carolina

124 community drinking-water systems in South Carolina currently rated Watch (MISI 21–40).

Systems in the Watch band (MISI 21–40) exhibit emerging stress indicators that warrant monitoring. One or more risk families may show moderate pressure — often early signs of capital deferral, revenue concentration, or demographic shifts affecting the customer base.

SystemPop. ServedMISIBand

GREENVILLE WATER SYSTEM (2310001)396K28.128Watch

CHARLESTON WATER SYSTEM (1010001)327K36.628Watch

COLUMBIA CITY OF (4010001)320K35.105Watch

GSW&SA (2620004)248K32.118Watch

BJW&SA (0720003)146K36.047Watch

SPARTANBURG WATER SYSTEM (4210001)140K35.744Watch

BCWSA/SANGAREE W/D (0820002)95K34.366Watch

MT PLEASANT WATER WORKS (1010002)92K34.071Watch

SJWD WATER DISTRICT (4220006)87K34.788Watch

ROCK HILL CITY OF (4610002)83K31.336Watch

SUMMERVILLE CPW (1810003)82K38.029Watch

FLORENCE CITY OF (2110001)80K27.823Watch

LANCASTER CO WATER (2920001)79K34.038Watch

GREER CPW (2310005)54K28.128Watch

SUMTER CITY OF (4310001)53K21.837Watch

DARLINGTON COUNTY W&SA (1620001)52K33.979Watch

MYRTLE BEACH CITY OF (2610001)51K33.992Watch

GREENWOOD CPW (2410001)50K28.286Watch

JOINT MUNICIPAL WSC (3220003)48K35.405Watch

AIKEN CITY OF (0210001)45K36.034Watch

GOOSE CREEK CITY OF (0810004)41K36.628Watch

N MYRTLE BEACH CITY OF (2610011)41K39.465Watch

DCWA/KNIGHTSVILLE (1820001)40K28.289Watch

BLUE RIDGE WATER CO INC (2320003)40K23.633Watch

ELECTRIC CITY UTILITIES (0410012)38K25.232Watch

GCWSD/WACCAMAW NECK (2220010)38K34.573Watch

SENECA CITY OF (3710002)37K32.081Watch

INMAN-CAMPOBELLO W/D (4220002)37K23.255Watch

LAURENS COUNTY W&S COMM (3020001)36K30.085Watch

EASLEY COMBINED UTIL (3910002)36K30.074Watch

WEST COLUMBIA CITY OF (3210004)34K38.169Watch

FORT JACKSON (4010501)31K29.097Watch

YORK CO/EAST (4620002)30K37.655Watch

WOODRUFF ROEBUCK W/D (4220007)29K35.639Watch

CONWAY CITY OF (2610008)27K22.626Watch

DCPW/ASHLEY PHOSPHATE (1820008)26K38.236Watch

HILTON HEAD PSD 1 (0720006)26K36.628Watch

FORT MILL TOWN OF (4610003)25K30.794Watch

GAFFNEY BPW (1110001)24K32.040Watch

LEXINGTON TOWN OF (3210001)24K30.641Watch

LUGOFF ELGIN WATER AUTH (2820001)23K31.050Watch

ST JOHN'S WATER (1020002)23K36.628Watch

WALHALLA CITY OF (3710004)19K32.701Watch

SOUTH ISLAND PSD (0720001)18K24.626Watch

CAMDEN CITY OF (2810001)18K38.694Watch

TRICO WATER COMPANY (1720001)18K20.292Watch

CLEMSON TOWN OF (3910004)18K23.500Watch

CAYCE CITY OF (3210003)17K24.167Watch

WEST ANDERSON W/D (0420006)17K32.770Watch

SANDY SPRINGS WATER CO INC (0420003)17K24.776Watch

BUCKSPORT WATER COMPANY (2620003)17K30.555Watch

PIONEER RURAL WATER DIST (3720001)17K24.707Watch

MARCO RURAL WATER CO (3320001)17K32.243Watch

CHESTER METRO (1220002)16K33.844Watch

SIX MILE W/D (3920002)15K22.955Watch

LAURENS CPW (3010001)14K30.085Watch

BIG CREEK W/S DISTRICT (0420009)14K23.844Watch

BCWSA - EAST COOPER (0820009)13K30.118Watch

CONWAY RURAL (2620001)13K34.320Watch

HIGH HILLS (4320003)13K31.223Watch

UNION CITY OF (4410001)12K35.645Watch

STARR-IVA W/D (0420005)11K26.841Watch

OCEAN LAKES LTD (2660048)11K24.626Watch

PICKENS WTP (3910001)10K36.003Watch

NEWBERRY CITY OF (3610001)10K31.050Watch

KIAWAH ISLAND UTILITY (1010008)10K22.626Watch

LAKE CITY CITY OF (2110007)9K29.729Watch

GSWSA - MARION CITY OF (3310001)9K20.292Watch

GEORGETOWN CITY OF (2210001)9K30.118Watch

BENNETTSVILLE CITY OF (3410001)9K29.902Watch

MONCKS CORNER CITY OF (0810001)9K22.626Watch

CLINTON CITY OF (3010002)9K32.849Watch

BEECH ISLAND W/D (0220004)9K20.843Watch

HARTSVILLE CITY OF (1610003)9K22.446Watch

YORK CITY OF (4610001)9K35.413Watch

MCCORMICK CO WATER AUTH (3520002)9K23.041Watch

CLOVER TOWN OF (4610006)8K20.843Watch

CLEMSON UNIVERSITY (3910006)8K26.021Watch

WESTMINSTER CITY OF (3710003)8K38.466Watch

GILBERT-SUMMIT W/D (3220001)8K38.114Watch

VALLEY PSA (0220012)8K24.796Watch

GASTON RURAL WATER DIST (3220002)8K27.911Watch

MEANSVILLE RILEY W/D (4420001)7K31.361Watch

MULLINS CITY OF (3310002)7K20.292Watch

HOMELAND PARK W/D (0420001)7K30.705Watch

NEW ELLENTON-CPW (0210007)7K20.843Watch

WILLIAMSBURG COUNTY W&S (4510007)7K28.485Watch

DILLON CITY OF (1710001)7K31.530Watch

BELTON CITY OF (0410004)7K27.297Watch

WILLIAMSTON TOWN OF (0410010)7K30.504Watch

CWS/I-20 (3250012)7K26.688Watch

CHERAW TOWN OF (1310001)6K36.217Watch

BATESBURG LEESVILLE DPW (3210002)6K39.531Watch

KINGSTREE TOWN OF (4510002)6K20.013Watch

SEABROOK ISLAND TOWN OF (1010009)6K31.076Watch

MANNING TOWN OF (1410002)6K20.748Watch

EDISTO BEACH TOWN OF (1510006)6K33.999Watch

ABBEVILLE CITY OF (0110001)6K30.858Watch

DRAYTONVILLE WATER DIST (1120003)5K21.991Watch

DANIEL MORGAN WATER DISTRICT (1120001)5K23.967Watch

DONALDS-DUE WEST W/A (0120001)5K33.203Watch

FOLLY BEACH CITY OF (1010005)5K38.236Watch

JOHNSONVILLE CITY OF (2110011)5K34.939Watch

GEORGETOWN RURAL COMM WA (2220001)5K32.118Watch

ALLIGATOR RURAL WATER (1320004)5K34.993Watch

BARNWELL TOWN OF (0610001)5K21.972Watch

BLACKSBURG TOWN OF (1110002)4K33.648Watch

SWS LANDRUM WTP (4210003)4K27.296Watch

GCWSD/KILSOCK WATER SYS (2220002)4K24.626Watch

LAKEWOOD CAMPGROUND (2660049)4K32.620Watch

HONEA PATH TOWN OF (0410003)4K30.587Watch

KEOWEE KEY UTILITY SYSTEM INC (3750023)4K22.078Watch

ALLENDALE TOWN OF (0310001)4K31.491Watch

BISHOPVILLE TOWN OF (3110001)4K27.848Watch

BAMBERG-PUBLIC WORKS (0510001)4K34.856Watch

JACKSON TOWN OF (0210002)4K28.335Watch

FRIPP ISLAND PSD (0720002)4K30.620Watch

MIDCOUNTY WATER DIST 2 (2020004)4K24.738Watch

DENMARK TOWN OF (0510002)4K27.749Watch

CENTRAL TOWN OF (3910005)3K20.791Watch

BROAD CREEK PSD (0720009)3K36.628Watch

HAMPTON TOWN OF (2510001)3K20.490Watch

UUC - TEGA CAY WATER SERVICE INC024.796Watch

CWS/RIVER HILLS S/D (4650006)020.843Watch