| GROVE HILL WATER WORKS Groundwater | AL0000255 | 7 | 3 | |
| ALABASTER WATER BOARD GU | AL0001148 | 9 | 2 | |
| CLANTON WATER DEPARTMENT Surface Water | AL0000213 | 8 | 2 | |
| COLBERT COUNTY RURAL WATER SYSTEM GU | AL0000314 | 8 | 2 | |
| GADSDEN WATER WORKS AND SEWER BOARD Surface Water | AL0000577 | 8 | 2 | |
| HIGHLAND WATER AUTHORITY Surface Water | AL0000580 | 8 | 2 | |
| NORTHEAST ETOWAH COUNTY WATER CO-OP Surface Water | AL0000587 | 8 | 2 | |
| ROGERSVILLE WATER WORKS & SEWER BOARD Groundwater | AL0000789 | 8 | 2 | |
| WILCOX COUNTY WATER AUTHORITY Groundwater | AL0001371 | 8 | 2 | |
| SOUTH MARENGO CO WATER & FIRE PRO AUTH Surface Water | AL0001439 | 8 | 2 | |
| SHELBY COUNTY WATER SYSTEM Surface Water | AL0001671 | 8 | 2 | |
| MARBURY WATER SYSTEM, INC. Surface Water | AL0000013 | 7 | 2 | |
| PRATTVILLE (WATER WORKS BOARD OF) Groundwater | AL0000017 | 7 | 2 | |
| BELFOREST WATER SYSTEM Groundwater | AL0000025 | 7 | 2 | |
| THOMASVILLE WATER WORKS & SEWER BOARD Surface Water | AL0000262 | 7 | 2 | |
| TUSCUMBIA WATER WORKS Surface Water | AL0000331 | 7 | 2 | |
| MILLBROOK UTILITIES Groundwater | AL0000539 | 7 | 2 | |
| HOLTVILLE WATER SYSTEM Surface Water | AL0000540 | 7 | 2 | |
| TRI COMMUNITY WATER SYSTEM Surface Water | AL0000549 | 7 | 2 | |
| WETUMPKA WATER WORKS & SEWER BOARD Surface Water | AL0000551 | 7 | 2 | |
| WEST ETOWAH WATER & FIRE PRO AUTHORITY MX | AL0000582 | 7 | 2 | |
| SOUTHSIDE WATER WORKS Groundwater | AL0000591 | 7 | 2 | |
| LIMESTONE COUNTY WATER SYSTEM GU | AL0000833 | 7 | 2 | |
| ASBURY WATER SYSTEM Surface Water | AL0000935 | 7 | 2 | |
| BOAZ WATER & SEWER BOARD Surface Water | AL0000936 | 7 | 2 | |
| GUNTERSVILLE WATER WORKS & SEWER BOARD Surface Water | AL0000943 | 7 | 2 | |
| PELHAM WATER WORKS Groundwater | AL0001163 | 7 | 2 | |
| STERRETT-VANDIVER WATER SYSTEM Surface Water | AL0001164 | 7 | 2 | |
| PELL CITY WATER WORKS Surface Water | AL0001204 | 7 | 2 | |
| PINE HILL WATER DEPARTMENT Surface Water | AL0001393 | 7 | 2 | |
| ARDMORE WATER SYSTEM Groundwater | AL0001420 | 7 | 2 | |
| NORTHEAST ALABAMA WATER SYSTEM Surface Water | AL0001422 | 7 | 2 | |
| BEULAH UTILITIES DISTRICT Surface Water | AL0000180 | 6 | 2 | |
| HAWK PRIDE MT WATER SYSTEM GU | AL0000316 | 6 | 2 | |
| SPRING VALLEY WATER AUTHORITY Surface Water | AL0000329 | 6 | 2 | |
| IRONDALE WATER SYSTEM Groundwater | AL0000751 | 6 | 2 | |
| WARRIOR RIVER WATER AUTHORITY Groundwater | AL0000763 | 6 | 2 | |
| WEST LAUDERDALE CO WATER & FPA Surface Water | AL0000794 | 6 | 2 | |
| HUNTSVILLE UTILITIES Groundwater | AL0000882 | 6 | 2 | |
| ALBERTVILLE UTILITIES BOARD Surface Water | AL0000933 | 6 | 2 | |
| PHENIX CITY UTILITIES Surface Water | AL0001142 | 6 | 2 | |
| RUSSELL COUNTY WATER AUTHORITY Groundwater | AL0001145 | 6 | 2 | |
| GREENHILL WATER & FIRE PRO AUTHORITY Surface Water | AL0001423 | 6 | 2 | |
| LITTLEVILLE WATERWORKS Surface Water | AL0000320 | 5 | 2 | |
| MUSCLE SHOALS UTILITY BOARD Surface Water | AL0000321 | 5 | 2 | |
| SHEFFIELD UTILITIES DEPARTMENT Surface Water | AL0000327 | 5 | 2 | |
| COLLINSVILLE WATER WORKS Surface Water | AL0000506 | 5 | 2 | |
| FLORENCE WATER-WASTEWATER DEPARTMENT Surface Water | AL0000783 | 5 | 2 | |
| SMITHS WATER AND SEWER AUTHORITY Surface Water | AL0000820 | 5 | 2 | |
| HARVEST-MONROVIA WATER SYSTEM GU | AL0000878 | 5 | 2 | |
| SARALAND WATER SERVICE Groundwater | AL0001021 | 5 | 2 | |
| WEAVER WATER SYSTEM Groundwater | AL0000168 | 4 | 2 | |
| CHISHOLM HEIGHTS WATER & F P AUTHORITY Surface Water | AL0000777 | 4 | 2 | |
| OPELIKA UTILITIES Surface Water | AL0000816 | 4 | 2 | |
| GRAND BAY WATER WORKS BOARD Groundwater | AL0000983 | 3 | 2 | |
| FAIRHOPE WATER SYSTEM (CITY OF) Groundwater | AL0000035 | 2 | 2 | |
| HELENA UTILITY BOARD Groundwater | AL0001157 | 7 | 1 | |
| CENTRE WATER & SEWER BOARD Surface Water | AL0000188 | 6 | 1 | ⚠ High Risk |
| BESSEMER WATER SERVICE Surface Water | AL0000737 | 6 | 1 | |
| LOACHAPOKA WATER AUTHORITY Groundwater | AL0000814 | 6 | 1 | |
| SARDIS CITY WATER BOARD Surface Water | AL0000947 | 6 | 1 | |
| CHILDERSBURG WATER & SEWER BOARD Groundwater | AL0001228 | 6 | 1 | |
| HUGULEY WATER AUTHORITY Surface Water | AL0000177 | 5 | 1 | |
| MONTEVALLO WATER WORKS & SEWER GU | AL0001160 | 5 | 1 | |
| ODENVILLE (UTIL BOARD OF THE TOWN OF) Surface Water | AL0001203 | 5 | 1 | |
| SPRINGVILLE WATER WORKS Surface Water | AL0001211 | 5 | 1 | |
| MADISON COUNTY WATER DEPARTMENT Surface Water | AL0000888 | 3 | 1 | |
| TALLADEGA WATER AND SEWER BOARD, CITY OF Groundwater | AL0001260 | 3 | 1 | |
| NORTH BALDWIN UTILITIES Groundwater | AL0000023 | 2 | 1 | |
| OXFORD WATER WORKS & SEWER BOARD Groundwater | AL0000162 | 2 | 1 | |
| ECLECTIC WATER WORKS & SEWER BOARD Surface Water | AL0000533 | 2 | 1 | |
| STEVENSON (UTIL. BOARD OF THE TOWN OF) Groundwater | AL0000732 | 2 | 1 | |
| AUBURN WATER WORKS Groundwater | AL0000804 | 2 | 1 | |
| MACON COUNTY WATER AUTHORITY Surface Water | AL0000867 | 2 | 1 | |
| TUSKEGEE UTILITIES BOARD Surface Water | AL0000870 | 2 | 1 | |
| UNION SPRINGS UTIL BOARD Groundwater | AL0000118 | 1 | 1 | |
| JACKSON WATER WORKS & SEWER BOARD Surface Water | AL0000256 | 1 | 1 | |
| FRIENDSHIP WATER WORKS Surface Water | AL0000537 | 1 | 1 | |
| TALLASSEE WATER WORKS Surface Water | AL0000548 | 1 | 1 | |
| BIRMINGHAM WATER WORKS BOARD Surface Water | AL0000738 | 5 | 0 | |
| COOK SPRINGS WATER AUTHORITY MX | AL0001434 | 5 | 0 | |
| LANETT WATER WORKS Surface Water | AL0000179 | 4 | 0 | |
| MARGARET WATER WORKS Surface Water | AL0001199 | 4 | 0 | |
| TALLADEGA COUNTY WATER SYSTEM Surface Water | AL0001685 | 4 | 0 | |
| EAST ALABAMA WATER & FIRE PRO DISTRICT Surface Water | AL0000174 | 3 | 0 | |
| SOUTH ALABAMA UTILITIES WATER SYSTEM Groundwater | AL0000967 | 3 | 0 | |
| DAPHNE (UTILITIES BOARD OF THE CITY OF) Groundwater | AL0000029 | 2 | 0 | |
| GILBERTOWN (UTILITIES BOARD OF TOWN OF) Groundwater | AL0000237 | 2 | 0 | |
| ANDALUSIA (UTILITIES BOARD OF) Groundwater | AL0000356 | 2 | 0 | |
| HANCEVILLE (THE WWSB OF THE CITY OF) Groundwater | AL0000406 | 2 | 0 | |
| JOPPA, HULACO & RYAN WATER AUTHORITY Surface Water | AL0000409 | 2 | 0 | |
| BRIDGEPORT UTILITIES BOARD Surface Water | AL0000713 | 2 | 0 | |
| CUMBERLAND MOUNTAIN WATER Surface Water | AL0000717 | 2 | 0 | |
| SECTION-DUTTON WATER SYSTEM Surface Water | AL0000728 | 2 | 0 | |
| SCOTTSBORO WATER WORKS Surface Water | AL0000729 | 2 | 0 | |
| MOULTON WATER WORKS BOARD Surface Water | AL0000798 | 2 | 0 | |
| WEST LAWRENCE WATER COOP Surface Water | AL0000801 | 2 | 0 | |
| MADISON WATER WORKS & SEWER GU | AL0000885 | 2 | 0 | |
| US ARMY GARRISON-REDSTONE ARSENAL Surface Water | AL0000899 | 2 | 0 | |
| TRIANA WATER WORKS Surface Water | AL0000905 | 2 | 0 | |
| ARAB WATER WORKS BOARD Surface Water | AL0000934 | 2 | 0 | |
| DECATUR (MUNICIPAL UTILITIES BOARD OF) Surface Water | AL0001084 | 2 | 0 | |
| HARTSELLE UTILITY BOARD Surface Water | AL0001086 | 2 | 0 | |
| NE MORGAN CO WATER AND SEWER AUTHORITY Surface Water | AL0001088 | 2 | 0 | |
| PIKE COUNTY WATER AUTHORITY Groundwater | AL0001120 | 2 | 0 | |
| JACKSON COUNTY WATER AUTHORITY Surface Water | AL0001748 | 2 | 0 | |
| DEKALB-JACKSON WATER SUPPLY DISTRICT Surface Water | AL0001796 | 2 | 0 | |
| SPANISH FORT WATER SYSTEM Groundwater | AL0000068 | 1 | 0 | |
| BAKERHILL WATER AUTHORITY Groundwater | AL0000079 | 1 | 0 | |
| CLEVELAND WATER WORKS Groundwater | AL0000101 | 1 | 0 | |
| SNEAD WATER WORKS Groundwater | AL0000108 | 1 | 0 | |
| GREENVILLE WATER WORKS Groundwater | AL0000125 | 1 | 0 | |
| JACKSONVILLE WATER WORKS, GAS AND SEWER Groundwater | AL0000154 | 1 | 0 | |
| LAFAYETTE WATER WORKS, AL Surface Water | AL0000178 | 1 | 0 | |
| BUTLER WATER SYSTEM Groundwater | AL0000232 | 1 | 0 | |
| CHILTON WATER AUTHORITY Groundwater | AL0000234 | 1 | 0 | |
| NORTH CHOCTAW WATER & SEWER AUTHORITY Groundwater | AL0000243 | 1 | 0 | |
| ELBA WATER WORKS Groundwater | AL0000295 | 1 | 0 | ◐ Low Level |
| ENTERPRISE WATER WORKS Groundwater | AL0000296 | 1 | 0 | |
| EVERGREEN WATER WORKS Groundwater | AL0000338 | 1 | 0 | |
| COVINGTON COUNTY WATER AUTHORITY Groundwater | AL0000361 | 1 | 0 | |
| OPP UTILITIES BOARD Groundwater | AL0000375 | 1 | 0 | |
| OWASSA-BROWNSVILLE WATER AUTHORITY Groundwater | AL0000393 | 1 | 0 | |
| SOUTH CRENSHAW COUNTY WATER AUTHORITY Groundwater | AL0000397 | 1 | 0 | |
| V.A.W. WATER SYSTEM, INC Surface Water | AL0000413 | 1 | 0 | |
| DALEVILLE WATER & SEWER BOARD Groundwater | AL0000420 | 1 | 0 | |
| NORTH DALLAS WATER AUTHORITY Groundwater | AL0000482 | 1 | 0 | |
| SELMA WATER WORKS & SEWER BOARD Groundwater | AL0000490 | 1 | 0 | |
| BREWTON WATER WORKS Groundwater | AL0000555 | 1 | 0 | |
| MCCALL WATER SYSTEM INC Groundwater | AL0000566 | 1 | 0 | |
| RIVERVIEW WATER WORKS Groundwater | AL0000570 | 1 | 0 | |
| GENEVA WATER WORKS Groundwater | AL0000622 | 1 | 0 | |
| EUTAW WATER DEPARTMENT Groundwater | AL0000636 | 1 | 0 | |
| GREENSBORO (UTILITIES BD OF THE CITY OF) Groundwater | AL0000645 | 1 | 0 | ◐ Low Level |
| DOTHAN UTILITIES (CITY OF) Groundwater | AL0000681 | 1 | 0 | |
| TAYLOR WATER SYSTEM Groundwater | AL0000702 | 1 | 0 | |
| MULGA WATER WORKS AND GAS DEPARTMENT Surface Water | AL0000755 | 1 | 0 | |
| VERNON WATER AND SEWER BOARD Surface Water | AL0000773 | 1 | 0 | |
| NEW HOPE WATER SYSTEM Surface Water | AL0000893 | 1 | 0 | |
| DEMOPOLIS WATER WORKS AND SEWER BOARD Groundwater | AL0000908 | 1 | 0 | |
| NORTH MARSHALL UTILITIES Surface Water | AL0000945 | 1 | 0 | |
| MOBILE COUNTY WATER & FIRE PRO AUTHORITY Groundwater | AL0001002 | 1 | 0 | |
| ST. ELMO-IRVINGTON WATER AUTHORITY Groundwater | AL0001031 | 1 | 0 | |
| MONROEVILLE (WATER WORKS BD. OF CITY OF) Groundwater | AL0001052 | 1 | 0 | |
| PICKENS COUNTY WATER & F. P. AUTHORITY Groundwater | AL0001106 | 1 | 0 | |
| LIVINGSTON WATER WORKS Groundwater | AL0001220 | 1 | 0 | |
| SUMTER COUNTY WATER AUTHORITY Groundwater | AL0001222 | 1 | 0 | |
| YORK WATER SYSTEM/CITY OF YORK Groundwater | AL0001223 | 1 | 0 | |
| LINCOLN (CITY OF) Groundwater | AL0001245 | 1 | 0 | |
| COKER WATER AUTHORITY Groundwater | AL0001299 | 1 | 0 | ◐ Low Level |
| CAMDEN WATER & SEWER DEPARTMENT Groundwater | AL0001374 | 1 | 0 | |
| SOUTHWEST ALABAMA WATER AUTHORITY Groundwater | AL0001426 | 1 | 0 | |
| FRANKLIN COUNTY WATER SERVICES AUTHORITY Surface Water | AL0001500 | 1 | 0 | |
| MYRTLEWOOD WATER SYSTEM Groundwater | AL0001506 | 1 | 0 | |
| BUTLER COUNTY WATER AUTHORITY Groundwater | AL0001507 | 1 | 0 | |
| QUINT-MAR WATER AUTHORITY Groundwater | AL0001508 | 1 | 0 | |
| COFFEE COUNTY WATER AUTHORITY Groundwater | AL0001789 | 1 | 0 | |