waterbycounty

Mississippi Water Quality

Drinking water data for all 82 counties.

Avg Water Score

99.6

State Grade

A

Counties with Data

82

of 82 total

All Mississippi Counties

CountyWater Score
Adams County100.0
Alcorn County100.0
Attala County100.0
Carroll County100.0
Chickasaw County100.0
Choctaw County100.0
Clarke County100.0
Clay County100.0
DeSoto County100.0
Forrest County100.0
George County100.0
Grenada County100.0
Harrison County100.0
Itawamba County100.0
Jackson County100.0
Jefferson Davis County100.0
Jones County100.0
Kemper County100.0
Lamar County100.0
Lauderdale County100.0
Lawrence County100.0
Leake County100.0
Lee County100.0
Leflore County100.0
Lincoln County100.0
Lowndes County100.0
Madison County100.0
Marshall County100.0
Monroe County100.0
Neshoba County100.0
Newton County100.0
Oktibbeha County100.0
Pearl River County100.0
Prentiss County100.0
Scott County100.0
Simpson County100.0
Tippah County100.0
Tishomingo County100.0
Walthall County100.0
Webster County100.0
Wilkinson County100.0
Winston County100.0
Amite County99.9
Claiborne County99.9
Copiah County99.9
Covington County99.9
Greene County99.9
Jefferson County99.9
Lafayette County99.9
Marion County99.9
Panola County99.9
Pike County99.9
Pontotoc County99.9
Tunica County99.9
Union County99.9
Warren County99.9
Washington County99.9
Yalobusha County99.9
Yazoo County99.9
Calhoun County99.8
Hancock County99.8
Humphreys County99.8
Noxubee County99.8
Rankin County99.8
Stone County99.8
Bolivar County99.7
Hinds County99.7
Montgomery County99.7
Tate County99.7
Holmes County99.6
Perry County99.6
Wayne County99.6
Sunflower County99.5
Jasper County99.4
Franklin County99.3
Benton County99.1
Smith County98.7
Tallahatchie County98.7
Quitman County98.6
Coahoma County97.4
Sharkey County93.9
Issaquena County86.7

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Data Source

Water quality data sourced from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

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