| MUD CREEK WATER ASSOCIATION #1 | | 1,764 | 0.0853 mg/L |
| TOWN OF POTTS CAMP | | 1,085 | 0.0554 mg/L |
| PINE GROVE WATER ASSOCIATION | | 457 | 0.0499 mg/L |
| DEESON ROUNDLAKE #2 | | 243 | 0.0454 mg/L |
| HANCOCK COUNTY WATER & SEWER | | 3,254 | 0.0437 mg/L |
| MANTEE WATER ASSOCIATION | | 486 | 0.0435 mg/L |
| NEW LIGHT WATER ASSOCIATION | | 642 | 0.0432 mg/L |
| UNION W/A | | 300 | 0.0366 mg/L |
| HAPPY ACRES MOBILE HOME PARK | | 120 | 0.0365 mg/L |
| THE OAKS UTILITIES | PASS CHRISTIAN | 797 | 0.0326 mg/L |
| LONGVIEW WATER ASSOCIATION | | 500 | 0.0321 mg/L |
| HOPEWELL WATER ASSOCIATION | | 1,684 | 0.0314 mg/L |
| MS VALLEY STATE UNIVERSITY | | 2,250 | 0.0301 mg/L |
| SLATE SPRINGS WATER ASSN | | 351 | 0.0292 mg/L |
| TOWN OF STURGIS | | 323 | 0.0273 mg/L |
| HELENA UTILITY DISTRICT | | 497 | 0.0265 mg/L |
| CITY OF GREENVILLE (AIRBASE) | GREENVILLE | 30 | 0.0258 mg/L |
| MS STATE PENITENTIARY-MN LN | | 2,500 | 0.0245 mg/L |
| TOWN OF OSYKA | | 420 | 0.0234 mg/L |
| SUNFLOWER WATER ASSN | | 473 | 0.0234 mg/L |
| LILY ROSE W/A #1 | | 1,675 | 0.0218 mg/L |
| GOLDING ACRES WATER ASSN | | 99 | 0.0218 mg/L |
| CMU - LAKE CAROLINE | | 8,511 | 0.0213 mg/L |
| DEESON-ROUNDLAKE WATER CORP | | 187 | 0.0202 mg/L |
| RANDOLPH WATER ASSOCIATION #1 | | 1,299 | 0.0200 mg/L |
| PRAIRIE LAND WATER ASSOCIATION, INC | | 2,500 | 0.0197 mg/L |
| WILK-AMITE W/A #2-NORTHWEST | | 121 | 0.0193 mg/L |
| TALKING WARRIOR WATER ASSN #1 | | 1,539 | 0.0192 mg/L |
| PLUM POINT COMMUNITY WATER ASSN | | 148 | 0.0190 mg/L |
| ENON-LOCKE-CURTIS WATER ASSN | | 1,460 | 0.0190 mg/L |
| PILGRIM REST WATER ASSOCIATION | | 359 | 0.0189 mg/L |
| TOWN OF GUNNISON | | 295 | 0.0188 mg/L |
| TOWN OF EDEN | | 123 | 0.0187 mg/L |
| JANICE W/A #2-SOUTH | | 227 | 0.0183 mg/L |
| VILLAGE OF GLENDORA | | 161 | 0.0180 mg/L |
| TOWN OF WEST | | 210 | 0.0171 mg/L |
| SCOTT COMBINED WATER & SEWER D | | 288 | 0.0170 mg/L |
| BRADLEY WATER ASSOCIATION | | 467 | 0.0169 mg/L |
| MORGAN CHAPEL WATER ASSN | | 528 | 0.0166 mg/L |
| NORTH DISTRICT 1 WATER ASSN. | | 700 | 0.0161 mg/L |
| CROOKED CREEK W/A - NORTH | | 1,100 | 0.0160 mg/L |
| WAKE FOREST WATER ASSN | | 571 | 0.0160 mg/L |
| FRIENDSHIP COMMUNITY W/A | | 2,434 | 0.0158 mg/L |
| TOWN OF PITTSBORO | | 1,077 | 0.0158 mg/L |
| SOUTH VICTORIA | | 143 | 0.0156 mg/L |
| MAGNOLIA RURAL WATER ASSN | | 2,922 | 0.0155 mg/L |
| CARSON CENTRAL WATER ASSN | | 300 | 0.0155 mg/L |
| TOWN OF NEW HOULKA | | 1,515 | 0.0153 mg/L |
| TOWN OF NEW AUGUSTA | | 570 | 0.0152 mg/L |
| TISHOMINGO CO WATER DISTRICT | | 2,598 | 0.0151 mg/L |
| TOWN OF BOLTON | | 640 | 0.0150 mg/L |
| S MS PUBLIC WATER AUTH-MCLAURIN | | 905 | 0.0150 mg/L |
| LAMPTON WATER ASSOCIATION | | 1,983 | 0.0147 mg/L |
| HIDDEN VALLEY LIGHT ASSN | | 61 | 0.0147 mg/L |
| CITY OF JACKSON | JACKSON | 189,673 | 0.0147 mg/L |
| NAVAL CONSTRUCTION BATTAL CTR | | 3,347 | 0.0146 mg/L |
| TOWN OF LIBERTY | | 1,069 | 0.0146 mg/L |
| TOWN OF TISHOMINGO | | 818 | 0.0144 mg/L |
| TOWN OF GEORGETOWN | | 465 | 0.0144 mg/L |
| CITY OF NEWTON | NEWTON | 3,373 | 0.0144 mg/L |
| GRENADA-BOGUE BASIN/GORE SPRGS | | 1,832 | 0.0143 mg/L |
| TOWN OF BASSFIELD | | 1,199 | 0.0143 mg/L |
| CITY OF BRUCE | BRUCE | 2,798 | 0.0141 mg/L |
| TOWN OF SHUQUALAK | | 989 | 0.0140 mg/L |
| CITY OF CALHOUN CITY | CALHOUN CITY | 2,101 | 0.0140 mg/L |
| TOWN OF WALNUT | | 1,449 | 0.0140 mg/L |
| CITY OF MARKS | MARKS | 2,099 | 0.0138 mg/L |
| SWEET HOME WATER & SEWER DIST | | 1,695 | 0.0138 mg/L |
| MULTI-MART WATER ASSOCIATION | | 1,785 | 0.0138 mg/L |
| TOWN OF CROSBY | | 300 | 0.0137 mg/L |
| HOLMES JR COLLEGE | | 1,052 | 0.0136 mg/L |
| TOWN OF JONESTOWN | | 968 | 0.0134 mg/L |
| CITY OF LOUISVILLE - NORTHEAST | | 780 | 0.0134 mg/L |
| SUNNYHILL WATER ASSOCIATION | | 3,833 | 0.0133 mg/L |
| CAMPGROUND WATER ASSN | | 1,175 | 0.0132 mg/L |
| SIXTOWN WATER ASSOCIATION | | 828 | 0.0132 mg/L |
| BUNKER HILL WATER ASSOCIATION | | 2,700 | 0.0131 mg/L |
| COLD SPRINGS WATER ASSOCIATION | | 589 | 0.0130 mg/L |
| PRCUA-HILLSDALE WATER SYSTEM | | 238 | 0.0128 mg/L |
| CITY OF MAGEE | MAGEE | 3,526 | 0.0126 mg/L |
| RENSHAW WATER ASSOCIATION | | 467 | 0.0125 mg/L |
| WILK-AMITE W/A #1-SOUTH | | 2,149 | 0.0123 mg/L |
| TOWN OF DODDSVILLE | | 264 | 0.0122 mg/L |
| SMITHS CROSSING WATER ASSN | | 4,480 | 0.0122 mg/L |
| LAFAYETTE SPRINGS WATER ASSN | | 290 | 0.0121 mg/L |
| CITY OF PASCAGOULA | PASCAGOULA | 22,686 | 0.0120 mg/L |
| CLARA WATER ASSOCIATION | | 1,690 | 0.0120 mg/L |
| TRI-LAKES WATER ASSN-EAST | | 304 | 0.0120 mg/L |
| DARLING WATER ASSOCIATION | | 211 | 0.0120 mg/L |
| TOWNSEND WATER ASSOCIATION | | 238 | 0.0120 mg/L |
| NORTH HAVEN WATER ASSOCIATION | | 930 | 0.0118 mg/L |
| TOWN OF OAKLAND | | 579 | 0.0118 mg/L |
| KIPLING W/A #4 | | 169 | 0.0115 mg/L |
| DOUBLE PONDS WATER ASSOCIATION | | 2,500 | 0.0114 mg/L |
| TOWN OF DECATUR | | 1,945 | 0.0113 mg/L |
| THOMASTOWN WATER ASSOCIATION | | 908 | 0.0112 mg/L |
| TOWN OF BROOKSVILLE | | 2,816 | 0.0112 mg/L |
| NORTH COVINGTON W/A-NORTH | | 1,259 | 0.0112 mg/L |
| EAST LEE BLVD WATER ASSN. | | 211 | 0.0111 mg/L |
| CITY OF GULFPORT | GULFPORT | 75,056 | 0.0110 mg/L |