Watch Water Systems in South Carolina

128 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)396K29.117Watch

CHARLESTON WATER SYSTEM (1010001)327K36.628Watch

COLUMBIA CITY OF (4010001)320K37.084Watch

GSW&SA (2620004)248K32.118Watch

BJW&SA (0720003)146K36.047Watch

SPARTANBURG WATER SYSTEM (4210001)140K36.733Watch

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

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

SJWD WATER DISTRICT (4220006)87K35.777Watch

ROCK HILL CITY OF (4610002)83K33.315Watch

SUMMERVILLE CPW (1810003)82K38.029Watch

FLORENCE CITY OF (2110001)80K27.823Watch

LANCASTER CO WATER (2920001)79K36.017Watch

GREER CPW (2310005)54K29.117Watch

SUMTER CITY OF (4310001)53K22.826Watch

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

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

GREENWOOD CPW (2410001)50K30.265Watch

JOINT MUNICIPAL WSC (3220003)48K37.384Watch

AIKEN CITY OF (0210001)45K38.013Watch

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)40K24.622Watch

ELECTRIC CITY UTILITIES (0410012)38K25.998Watch

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

SENECA CITY OF (3710002)37K34.060Watch

INMAN-CAMPOBELLO W/D (4220002)37K24.244Watch

LAURENS COUNTY W&S COMM (3020001)36K32.064Watch

EASLEY COMBINED UTIL (3910002)36K31.063Watch

POWDERSVILLE WATER DISTRICT (0420002)35K21.282Watch

FORT JACKSON (4010501)31K31.076Watch

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

WOODRUFF ROEBUCK W/D (4220007)29K36.628Watch

CONWAY CITY OF (2610008)27K22.626Watch

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

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

FORT MILL TOWN OF (4610003)25K32.773Watch

GAFFNEY BPW (1110001)24K33.029Watch

LEXINGTON TOWN OF (3210001)24K32.620Watch

LUGOFF ELGIN WATER AUTH (2820001)23K33.029Watch

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

HAMMOND W/D (0420007)21K20.826Watch

WALHALLA CITY OF (3710004)19K33.467Watch

SOUTH ISLAND PSD (0720001)18K24.626Watch

TRICO WATER COMPANY (1720001)18K20.292Watch

CLEMSON TOWN OF (3910004)18K24.489Watch

BREEZY HILL W/D (0220006)18K20.826Watch

CAYCE CITY OF (3210003)17K26.146Watch

WEST ANDERSON W/D (0420006)17K34.749Watch

SANDY SPRINGS WATER CO INC (0420003)17K26.755Watch

BUCKSPORT WATER COMPANY (2620003)17K30.555Watch

PIONEER RURAL WATER DIST (3720001)17K25.473Watch

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

CHESTER METRO (1220002)16K35.823Watch

SIX MILE W/D (3920002)15K23.944Watch

LAURENS CPW (3010001)14K32.064Watch

BIG CREEK W/S DISTRICT (0420009)14K25.823Watch

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

CONWAY RURAL (2620001)13K34.320Watch

HIGH HILLS (4320003)13K31.223Watch

UNION CITY OF (4410001)12K37.624Watch

STARR-IVA W/D (0420005)11K28.820Watch

OCEAN LAKES LTD (2660048)11K24.626Watch

PICKENS WTP (3910001)10K36.992Watch

BROADWAY W&S DISTRICT (0420008)10K20.826Watch

NEWBERRY CITY OF (3610001)10K33.029Watch

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)9K34.828Watch

BEECH ISLAND W/D (0220004)9K22.822Watch

HARTSVILLE CITY OF (1610003)9K22.446Watch

YORK CITY OF (4610001)9K37.392Watch

MCCORMICK CO WATER AUTH (3520002)9K25.020Watch

CLOVER TOWN OF (4610006)8K22.822Watch

CLEMSON UNIVERSITY (3910006)8K27.010Watch

WESTMINSTER CITY OF (3710003)8K39.232Watch

VALLEY PSA (0220012)8K26.775Watch

GASTON RURAL WATER DIST (3220002)8K29.890Watch

MEANSVILLE RILEY W/D (4420001)7K33.340Watch

MULLINS CITY OF (3310002)7K20.292Watch

HOMELAND PARK W/D (0420001)7K31.471Watch

NEW ELLENTON-CPW (0210007)7K22.822Watch

WILLIAMSBURG COUNTY W&S (4510007)7K23.012Watch

DILLON CITY OF (1710001)7K31.530Watch

BELTON CITY OF (0410004)7K29.276Watch

WILLIAMSTON TOWN OF (0410010)7K32.483Watch

CWS/I-20 (3250012)7K28.667Watch

CHERAW TOWN OF (1310001)6K36.217Watch

KINGSTREE TOWN OF (4510002)6K20.013Watch

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

MANNING TOWN OF (1410002)6K20.748Watch

EDISTO BEACH TOWN OF (1510006)6K37.589Watch

ABBEVILLE CITY OF (0110001)6K32.837Watch

DRAYTONVILLE WATER DIST (1120003)5K22.980Watch

DANIEL MORGAN WATER DISTRICT (1120001)5K24.956Watch

DONALDS-DUE WEST W/A (0120001)5K35.182Watch

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)5K23.951Watch

BLACKSBURG TOWN OF (1110002)4K34.637Watch

SWS LANDRUM WTP (4210003)4K28.285Watch

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

LAKEWOOD CAMPGROUND (2660049)4K32.620Watch

HONEA PATH TOWN OF (0410003)4K32.566Watch

KEOWEE KEY UTILITY SYSTEM INC (3750023)4K23.663Watch

DALZELL WATER DISTRICT (4320001)4K20.824Watch

ALLENDALE TOWN OF (0310001)4K32.480Watch

MONTMORENCI W/D (0220008)4K20.824Watch

BISHOPVILLE TOWN OF (3110001)4K28.837Watch

BAMBERG-PUBLIC WORKS (0510001)4K35.845Watch

AMICKS FERRY WTR SYSTEM (3250077)4K20.673Watch

JACKSON TOWN OF (0210002)4K30.314Watch

FRIPP ISLAND PSD (0720002)4K30.620Watch

MIDCOUNTY WATER DIST 2 (2020004)4K26.717Watch

DENMARK TOWN OF (0510002)4K28.738Watch

CENTRAL TOWN OF (3910005)3K21.780Watch

BROAD CREEK PSD (0720009)3K36.628Watch

HAMPTON TOWN OF (2510001)3K20.490Watch

WILLISTON TOWN OF (0610002)3K21.908Watch

UUC - TEGA CAY WATER SERVICE INC026.775Watch

CWS/RIVER HILLS S/D (4650006)022.822Watch