| ST JOHN'S WATER (SC1020002) | JOHNS ISLAND (STA.) | 22,592 | 0.5080 mg/L |
| TOXAWAY POINT | LAKE TOXAWAY | 79 | 0.1900 mg/L |
| CHARLESTON WATER SYSTEM (SC1010001) | CHARLESTON | 327,422 | 0.1650 mg/L |
| GOOSE CREEK CITY OF (SC0810004) | GOOSE CREEK | 43,744 | 0.1350 mg/L |
| FORT JACKSON (SC4010501) | FORT JACKSON | 31,000 | 0.0850 mg/L |
| BGWC DUTCHMAN SHORES (SC3250021) | CHAPIN | 335 | 0.0658 mg/L |
| BGWC WESTSIDE TERRACE (3250002) | WEST COLUMBIA | 172 | 0.0610 mg/L |
| RAE MCKENZIE MOBILE HOME PARK | GRAHAM | 100 | 0.0550 mg/L |
| V P MOBILE HOME PARK | EAST BEND | 91 | 0.0550 mg/L |
| GRANADA SUBDIVISION (SC4350008) | SUMTER | 150 | 0.0536 mg/L |
| LEXINGTON TOWN OF (3210001) | LEXINGTON | 24,284 | 0.0499 mg/L |
| BGWC PARKWOOD S/D (3250029) | WEST COLUMBIA | 311 | 0.0480 mg/L |
| CLEMSON UNIVERSITY (SC3910006) | CLEMSON | 8,320 | 0.0473 mg/L |
| LIEBER CORRECTIONAL INSTITUTE (1870050) | RIDGEVILLE | 1,646 | 0.0447 mg/L |
| COLUMBIA CITY OF (SC4010001) | COLUMBIA | 354,068 | 0.0400 mg/L |
| FOLLY BEACH CITY OF (1010005) | FOLLY BEACH | 5,086 | 0.0400 mg/L |
| WALHALLA CITY OF (SC3710004) | WALHALLA | 16,010 | 0.0390 mg/L |
| BAY RIDGE S/D (SC3750027) | SALEM | 62 | 0.0384 mg/L |
| BGWC GREENFOREST (SC0450006) | ANDERSON | 173 | 0.0379 mg/L |
| RIDGE SPRING TOWN OF (SC4110002) | RIDGE SPRING | 1,575 | 0.0368 mg/L |
| SANDY HILL MHP (SC4060064) | COLUMBIA | 81 | 0.0355 mg/L |
| SUMMERVILLE CPW (SC1810003) | SUMMERVILLE | 81,750 | 0.0350 mg/L |
| SHILOH WATER SYSTEM (SC4320005) | SUMTER | 645 | 0.0335 mg/L |
| PERCIVAL ESTATES MHP (SC4060021) | ELGIN | 12 | 0.0332 mg/L |
| BGWC COUNTRY OAKS (SC4650020) | ROCK HILL | 359 | 0.0331 mg/L |
| WEST UNION TOWN OF (3710005) | WEST UNION | 468 | 0.0321 mg/L |
| OLANTA TOWN OF (SC2110006) | OLANTA | 801 | 0.0320 mg/L |
| N MYRTLE BEACH CITY OF (SC2610011) | NORTH MYRTLE BEACH | 43,883 | 0.0318 mg/L |
| MACDOUGALL CORRECTIONAL INST (SC0870050) | RIDGEVILLE | 790 | 0.0310 mg/L |
| ISLE OF PALMS W/S COMM (SC1010004) | ISLE OF PALMS | 9,530 | 0.0303 mg/L |
| NEW ELLENTON CPW (SC0210007) | | 7,277 | 0.0296 mg/L |
| LAKEWOOD MHP (SC4060032) | COLUMBIA | 110 | 0.0292 mg/L |
| BURNETTOWN W/D (SC0220007) | BATH | 1,090 | 0.0290 mg/L |
| COUNTRY VILLAGE MHP (SC1360008) | CHERAW | 96 | 0.0284 mg/L |
| BGWC RIVERBEND ESTATES (SC4660103) | ROCK HILL | 93 | 0.0284 mg/L |
| DEWEES UTILITIES (SC1050011) | | 55 | 0.0268 mg/L |
| NORTH TOWN OF (SC3810010) | NORTH | 1,378 | 0.0266 mg/L |
| BGWC THE LANDINGS (3250063) | WEST COLUMBIA | 430 | 0.0261 mg/L |
| TWIN OAKS MOBILE HOME PARK | | 50 | 0.0255 mg/L |
| EMERALD SHORES (SC3250088) | CHAPIN | 36 | 0.0255 mg/L |
| BGWC CHARWOOD S/D (3250035) | PINERIDGE | 683 | 0.0250 mg/L |
| CAROLINA HIGHLANDS RETIRE PARK | FRANKLIN | 45 | 0.0248 mg/L |
| BELTON CITY OF (SC0410004) | | 6,762 | 0.0245 mg/L |
| FISHING CREEK POA (SC1550002) | EDISTO BEACH | 98 | 0.0245 mg/L |
| BETHUNE TOWN OF (SC2810002) | BETHUNE | 541 | 0.0240 mg/L |
| BGWC WOODBRIDGE (SC4650028) | ROCK HILL | 173 | 0.0240 mg/L |
| TRIPLE ACRES MHP 1 (SC3260049) | WEST COLUMBIA | 38 | 0.0240 mg/L |
| BOWMAN TOWN OF (SC3810004) | BOWMAN | 1,274 | 0.0238 mg/L |
| RIDGEVILLE TOWN OF (SC1810004) | RIDGEVILLE | 821 | 0.0235 mg/L |
| LINCOLNVILLE TOWN OF (SC1010007) | LINCOLNVILLE | 1,980 | 0.0233 mg/L |
| 611 HARMON LLC (SC4060012) | HOPKINS | 24 | 0.0232 mg/L |
| SEABROOK ISLAND TOWN OF (1010009) | SEABROOK | 5,939 | 0.0226 mg/L |
| BAY CAPITAL WATER WORKS (SC4050031) | COLUMBIA | 647 | 0.0223 mg/L |
| MYRTLE BEACH CITY OF (SC2610001) | MYRTLE BEACH | 49,375 | 0.0223 mg/L |
| KEOWEE BAY S/D (SC3750026) | SALEM | 115 | 0.0221 mg/L |
| NINETY SIX CPW (SC2410002) | NINETY SIX (CORPORATE NAME FOR | 2,880 | 0.0220 mg/L |
| LANGLEY W/D (SC0220001) | | 877 | 0.0220 mg/L |
| BGWC BELLEMEAD S/D (3250031) | LEXINGTON | 367 | 0.0220 mg/L |
| MITCHELL MHP (SC2460001) | GREENWOOD | 43 | 0.0218 mg/L |
| CEDAR VALLEY MHP (SC4660009) | CATAWBA | 290 | 0.0214 mg/L |
| SAND MOUNTAIN MHP (SC3260183) | GASTON | 40 | 0.0214 mg/L |
| TAYLOR MH ESTATE (SC0760015) | BEAUFORT | 162 | 0.0210 mg/L |
| CHERAW TOWN OF (SC1310001) | CHERAW | 6,325 | 0.0200 mg/L |
| BGWC HUNTERS GLEN S/D (0250005) | ANTREVILLE | 97 | 0.0200 mg/L |
| AIKEN CITY OF (SC0210001) | AIKEN | 51,533 | 0.0199 mg/L |
| BGWC POLLYS CIRCLE (SC4660073) | YORK | 114 | 0.0196 mg/L |
| VALLEY PSA (SC0220012) | GLOVERVILLE | 7,752 | 0.0194 mg/L |
| BRIARWOOD MHP (SC0760076) | BEAUFORT | 44 | 0.0190 mg/L |
| BGWC SHANDON (SC4650009) | YORK | 183 | 0.0181 mg/L |
| WHISPERING PINES MHP (SC4360021) | SUMTER | 80 | 0.0181 mg/L |
| ALLIGATOR RURAL WATER (SC1320004) | MCBEE | 4,743 | 0.0180 mg/L |
| ESTILL TOWN OF (SC2510002) | ESTILL | 2,120 | 0.0180 mg/L |
| NEW HOLLAND W/D (SC0220010) | BATESBURG | 301 | 0.0180 mg/L |
| BGWC MURRAY LODGE (3250013) | HILTON | 146 | 0.0180 mg/L |
| SJWD MIDDLE TYGER WTP (SC4220006) | LYMAN | 89,531 | 0.0179 mg/L |
| MIDLAND HILLS MHP (SC3260182) | LEXINGTON | 66 | 0.0179 mg/L |
| HILTON HEAD PSD 1 (0720006) | HILTON HEAD ISLAND | 25,558 | 0.0176 mg/L |
| BGWC HICKORY HILL (SC4650025) | ROCK HILL | 95 | 0.0174 mg/L |
| SALLEY TOWN OF (SC0210005) | | 456 | 0.0172 mg/L |
| BGWC FOXWOOD (SC4650008) | FORT MILL | 570 | 0.0170 mg/L |
| MEADOWVIEW TRAILER COURT | PELHAM | 60 | 0.0170 mg/L |
| EASTOVER TOWN OF (SC4010002) | EASTOVER | 700 | 0.0168 mg/L |
| HARBOR ISLAND (SC0750013) | HELENA | 1,039 | 0.0168 mg/L |
| LAKE VIEW TOWN OF (SC1710003) | LAKE VIEW (CORPORATE NAME FOR | 1,293 | 0.0167 mg/L |
| MCCORDS FERRY AT LAKE MARION (SC3850004) | SANTEE | 21 | 0.0167 mg/L |
| BGWC LAKE VILLAGE (SC3250054) | LEXINGTON | 197 | 0.0166 mg/L |
| GCWSD WACCAMAW NECK (SC2220010) | PAWLEYS ISLAND | 41,300 | 0.0164 mg/L |
| SMOAKS TOWN OF (1510002) | SMOAKS | 176 | 0.0163 mg/L |
| BEECH ISLAND W/D (SC0220004) | BEECH ISLAND | 8,935 | 0.0160 mg/L |
| SHAW AFB (SC4310501) | | 10,000 | 0.0160 mg/L |
| PINE HAVEN MHP | CONOVER | 53 | 0.0160 mg/L |
| CATATOGA AT LAKE TOXAWAY | LAKE TOXAWAY | 35 | 0.0160 mg/L |
| ALLENDALE INDUSTRIAL PARK (SC0320002) | ALLENDALE | 2,694 | 0.0156 mg/L |
| WILD MEADOWS S/D (SC3250097) | LEXINGTON | 878 | 0.0153 mg/L |
| LODGE TOWN OF (1510001) | LODGE | 121 | 0.0152 mg/L |
| BUTLERS MHP (SC0860063) | CROSS | 77 | 0.0151 mg/L |
| BGWC HILTON PLACE (SC3250072) | HILTON | 87 | 0.0150 mg/L |
| JOHNSONVILLE CITY OF (SC2110011) | JOHNSONVILLE | 5,083 | 0.0150 mg/L |
| CHESTERFIELD TOWN OF (1310002) | CHESTERFIELD | 1,670 | 0.0150 mg/L |
| DCWS CONOFLOW (SC1820007) | ST. GEORGE | 150 | 0.0150 mg/L |