Mississippi County Water Quality Reports

Adams County, MS: 11 Violations — 85/100 (2026)

2026 report: Adams County, MS scores 85/100 (Grade A). 5 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Alcorn County, MS: 13 Violations — 76/100 (2026)

2026 report: Alcorn County, MS scores 76/100 (Grade B). 4 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter picks.

Amite County, MS: 12 Violations — 78/100 (2026)

2026 report: Amite County, MS scores 78/100 (Grade B). 3 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Attala County, MS: 12 Violations — 86/100 (2026)

2026 report: Attala County, MS scores 86/100 (Grade A). 4 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Benton County, MS: 3 Health Violations — 87/100 (2026)

2026 report: Benton County, MS scores 87/100 (Grade A). 4 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Bolivar County, MS: 15 Health Violations — 82/100 (2026)

2026 report: Bolivar County, MS scores 82/100 (Grade B). 20 ZIP codes analyzed. 119 EPA violations found. Free report with contaminant data and filter p...

Calhoun County, MS: 3 Health Violations — 76/100 (2026)

2026 report: Calhoun County, MS scores 76/100 (Grade B). 8 ZIP codes analyzed. 28 EPA violations found. Free report with contaminant data and filter picks.

Carroll County, MS: 12 Violations — 88/100 (2026)

2026 report: Carroll County, MS scores 88/100 (Grade A). 5 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Chickasaw County, MS: 2 Health Violations — 64/100 (2026)

2026 report: Chickasaw County, MS scores 64/100 (Grade C). 6 ZIP codes analyzed. 24 EPA violations found. Free report with contaminant data and filter p...

Choctaw County, MS: 1 Health Violation — 78/100 (2026)

2026 report: Choctaw County, MS scores 78/100 (Grade B). 7 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter picks.

Claiborne County, MS: 3 Health Violations — 88/100 (2026)

2026 report: Claiborne County, MS scores 88/100 (Grade A). 3 ZIP codes analyzed. 49 EPA violations found. Free report with contaminant data and filter p...

Clarke County, MS: 14 Violations — 83/100 (2026)

2026 report: Clarke County, MS scores 83/100 (Grade B). 3 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.

Clay County, MS: 9 Violations — 62/100 (2026)

2026 report: Clay County, MS scores 62/100 (Grade C). 4 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Coahoma County, MS: 20 Health Violations — 80/100 (2026)

2026 report: Coahoma County, MS scores 80/100 (Grade B). 14 ZIP codes analyzed. 93 EPA violations found. Free report with contaminant data and filter pi...

Copiah County, MS: Lead Above EPA Limits — 86/100 (2026)

2026 report: Copiah County, MS scores 86/100 (Grade A). 4 ZIP codes analyzed. 33 EPA violations found. Lead above EPA limits. Free report with contamina...

Covington County, MS: 2 Health Violations — 87/100 (2026)

2026 report: Covington County, MS scores 87/100 (Grade A). 3 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter p...

DeSoto County, MS: 7 Health Violations — 85/100 (2026)

2026 report: DeSoto County, MS scores 85/100 (Grade A). 10 ZIP codes analyzed. 55 EPA violations found. Free report with contaminant data and filter picks.

Forrest County, MS: 30 Violations — 66/100 (2026)

2026 report: Forrest County, MS scores 66/100 (Grade C). 5 ZIP codes analyzed. 30 EPA violations found. Free report with contaminant data and filter picks.

Franklin County, MS: 2 Health Violations — 84/100 (2026)

2026 report: Franklin County, MS scores 84/100 (Grade B). 5 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter pi...

George County, MS: 8 Violations — 71/100 (2026)

2026 report: George County, MS scores 71/100 (Grade B). 1 ZIP code analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Greene County, MS: 2 Health Violations — 79/100 (2026)

2026 report: Greene County, MS scores 79/100 (Grade B). 4 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Grenada County, MS: 2 Health Violations — 80/100 (2026)

2026 report: Grenada County, MS scores 80/100 (Grade B). 5 ZIP codes analyzed. 18 EPA violations found. Free report with contaminant data and filter picks.

Hancock County, MS: 2 Health Violations — 73/100 (2026)

2026 report: Hancock County, MS scores 73/100 (Grade B). 10 ZIP codes analyzed. 28 EPA violations found. Free report with contaminant data and filter pi...

Harrison County, MS: Lead Above EPA Limits — 79/100 (2026)

2026 report: Harrison County, MS scores 79/100 (Grade B). 17 ZIP codes analyzed. 93 EPA violations found. Lead above EPA limits. Free report with contam...

Hinds County, MS: 747 Health Violations — 69/100 (2026)

2026 report: Hinds County, MS scores 69/100 (Grade C). 36 ZIP codes analyzed. 937 EPA violations found. Free report with contaminant data and filter picks.

Holmes County, MS: 5 Health Violations — 86/100 (2026)

2026 report: Holmes County, MS scores 86/100 (Grade A). 8 ZIP codes analyzed. 60 EPA violations found. Free report with contaminant data and filter picks.

Humphreys County, MS: 3 Health Violations — 82/100 (2026)

2026 report: Humphreys County, MS scores 82/100 (Grade B). 6 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter p...

Issaquena County, MS: 1 Health Violation — 77/100 (2026)

2026 report: Issaquena County, MS scores 77/100 (Grade B). 2 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter p...

Itawamba County, MS: 2 Health Violations — 96/100 (2026)

2026 report: Itawamba County, MS scores 96/100 (Grade A). 3 ZIP codes analyzed. 21 EPA violations found. Free report with contaminant data and filter pi...

Jackson County, MS: 17 Health Violations — 80/100 (2026)

2026 report: Jackson County, MS scores 80/100 (Grade B). 14 ZIP codes analyzed. 88 EPA violations found. Free report with contaminant data and filter pi...

Jasper County, MS: 15 Violations — 87/100 (2026)

2026 report: Jasper County, MS scores 87/100 (Grade A). 8 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter picks.

Jefferson County, MS: 1 Health Violation — 84/100 (2026)

2026 report: Jefferson County, MS scores 84/100 (Grade B). 4 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter p...

Jefferson Davis County, MS: 1 Health Violation — 95/100

2026 report: Jefferson Davis County, MS scores 95/100 (Grade A). 3 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and fi...

Jones County, MS: 5 Health Violations — 81/100 (2026)

2026 report: Jones County, MS scores 81/100 (Grade B). 10 ZIP codes analyzed. 60 EPA violations found. Free report with contaminant data and filter picks.

Kemper County, MS: 1 Health Violation — 87/100 (2026)

2026 report: Kemper County, MS scores 87/100 (Grade A). 4 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Lafayette County, MS: 12 Violations — 78/100 (2026)

2026 report: Lafayette County, MS scores 78/100 (Grade B). 6 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter p...

Lamar County, MS: 3 Health Violations — 81/100 (2026)

2026 report: Lamar County, MS scores 81/100 (Grade B). 4 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter picks.

Lauderdale County, MS: 1 Health Violation — 83/100 (2026)

2026 report: Lauderdale County, MS scores 83/100 (Grade B). 15 ZIP codes analyzed. 74 EPA violations found. Free report with contaminant data and filter...

Lawrence County, MS: 1 Health Violation — 86/100 (2026)

2026 report: Lawrence County, MS scores 86/100 (Grade A). 5 ZIP codes analyzed. 22 EPA violations found. Free report with contaminant data and filter pi...

Leake County, MS: 7 Violations — 73/100 (2026)

2026 report: Leake County, MS scores 73/100 (Grade B). 3 ZIP codes analyzed. 7 EPA violations found. Free report with contaminant data and filter picks.

Lee County, MS: 4 Health Violations — 76/100 (2026)

2026 report: Lee County, MS scores 76/100 (Grade B). 10 ZIP codes analyzed. 88 EPA violations found. Free report with contaminant data and filter picks.

Leflore County, MS: 1 Health Violation — 82/100 (2026)

2026 report: Leflore County, MS scores 82/100 (Grade B). 7 ZIP codes analyzed. 45 EPA violations found. Free report with contaminant data and filter picks.

Lincoln County, MS: 4 Health Violations — 93/100 (2026)

2026 report: Lincoln County, MS scores 93/100 (Grade A). 6 ZIP codes analyzed. 28 EPA violations found. Free report with contaminant data and filter picks.

Lowndes County, MS: 3 Health Violations — 67/100 (2026)

2026 report: Lowndes County, MS scores 67/100 (Grade C). 10 ZIP codes analyzed. 36 EPA violations found. Free report with contaminant data and filter pi...

Madison County, MS: 11 Health Violations — 84/100 (2026)

2026 report: Madison County, MS scores 84/100 (Grade B). 8 ZIP codes analyzed. 38 EPA violations found. Free report with contaminant data and filter picks.

Marion County, MS: 1 Health Violation — 84/100 (2026)

2026 report: Marion County, MS scores 84/100 (Grade B). 3 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter picks.

Marshall County, MS: 2 Health Violations — 84/100 (2026)

2026 report: Marshall County, MS scores 84/100 (Grade B). 6 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter pi...

Monroe County, MS: 31 Health Violations — 80/100 (2026)

2026 report: Monroe County, MS scores 80/100 (Grade B). 11 ZIP codes analyzed. 67 EPA violations found. Free report with contaminant data and filter picks.

Montgomery County, MS: 3 Health Violations — 95/100 (2026)

2026 report: Montgomery County, MS scores 95/100 (Grade A). 3 ZIP codes analyzed. 38 EPA violations found. Free report with contaminant data and filter ...

Neshoba County, MS: 8 Violations — 89/100 (2026)

2026 report: Neshoba County, MS scores 89/100 (Grade A). 2 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Newton County, MS: 1 Health Violation — 90/100 (2026)

2026 report: Newton County, MS scores 90/100 (Grade A). 4 ZIP codes analyzed. 26 EPA violations found. Free report with contaminant data and filter picks.

Noxubee County, MS: 4 Health Violations — 79/100 (2026)

2026 report: Noxubee County, MS scores 79/100 (Grade B). 3 ZIP codes analyzed. 22 EPA violations found. Free report with contaminant data and filter picks.

Oktibbeha County, MS: 2 Health Violations — 85/100 (2026)

2026 report: Oktibbeha County, MS scores 85/100 (Grade A). 5 ZIP codes analyzed. 47 EPA violations found. Free report with contaminant data and filter p...

Panola County, MS: 5 Health Violations — 87/100 (2026)

2026 report: Panola County, MS scores 87/100 (Grade A). 7 ZIP codes analyzed. 61 EPA violations found. Free report with contaminant data and filter picks.

Pearl River County, MS: 13 Violations — 75/100 (2026)

2026 report: Pearl River County, MS scores 75/100 (Grade B). 5 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter...

Perry County, MS: 1 Health Violation — 85/100 (2026)

2026 report: Perry County, MS scores 85/100 (Grade A). 4 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Pike County, MS: 5 Health Violations — 85/100 (2026)

2026 report: Pike County, MS scores 85/100 (Grade A). 5 ZIP codes analyzed. 47 EPA violations found. Free report with contaminant data and filter picks.

Pontotoc County, MS: 3 Health Violations — 71/100 (2026)

2026 report: Pontotoc County, MS scores 71/100 (Grade B). 8 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter pi...

Prentiss County, MS: 2 Health Violations — 94/100 (2026)

2026 report: Prentiss County, MS scores 94/100 (Grade A). 5 ZIP codes analyzed. 23 EPA violations found. Free report with contaminant data and filter pi...

Quitman County, MS: 12 Health Violations — 77/100 (2026)

2026 report: Quitman County, MS scores 77/100 (Grade B). 9 ZIP codes analyzed. 57 EPA violations found. Free report with contaminant data and filter picks.

Rankin County, MS: 41 Health Violations — 84/100 (2026)

2026 report: Rankin County, MS scores 84/100 (Grade B). 15 ZIP codes analyzed. 109 EPA violations found. Free report with contaminant data and filter pi...

Scott County, MS: 1 Health Violation — 82/100 (2026)

2026 report: Scott County, MS scores 82/100 (Grade B). 10 ZIP codes analyzed. 35 EPA violations found. Free report with contaminant data and filter picks.

Sharkey County, MS: 17 Health Violations — 78/100 (2026)

2026 report: Sharkey County, MS scores 78/100 (Grade B). 7 ZIP codes analyzed. 55 EPA violations found. Free report with contaminant data and filter picks.

Simpson County, MS: 16 Violations — 80/100 (2026)

2026 report: Simpson County, MS scores 80/100 (Grade B). 7 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter picks.

Smith County, MS: 11 Health Violations — 85/100 (2026)

2026 report: Smith County, MS scores 85/100 (Grade A). 3 ZIP codes analyzed. 29 EPA violations found. Free report with contaminant data and filter picks.

Stone County, MS: 2 Health Violations — 81/100 (2026)

2026 report: Stone County, MS scores 81/100 (Grade B). 2 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Sunflower County, MS: 16 Health Violations — 88/100 (2026)

2026 report: Sunflower County, MS scores 88/100 (Grade A). 10 ZIP codes analyzed. 83 EPA violations found. Free report with contaminant data and filter ...

Tallahatchie County, MS: 18 Health Violations — 82/100

2026 report: Tallahatchie County, MS scores 82/100 (Grade B). 10 ZIP codes analyzed. 75 EPA violations found. Free report with contaminant data and filt...

Tate County, MS: 3 Health Violations — 78/100 (2026)

2026 report: Tate County, MS scores 78/100 (Grade B). 4 ZIP codes analyzed. 18 EPA violations found. Free report with contaminant data and filter picks.

Tippah County, MS: 1 Health Violation — 90/100 (2026)

2026 report: Tippah County, MS scores 90/100 (Grade A). 5 ZIP codes analyzed. 27 EPA violations found. Free report with contaminant data and filter picks.

Tishomingo County, MS: 17 Violations — 93/100 (2026)

2026 report: Tishomingo County, MS scores 93/100 (Grade A). 6 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter ...

Tunica County, MS: 1 Health Violation — 72/100 (2026)

2026 report: Tunica County, MS scores 72/100 (Grade B). 2 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Union County, MS: 1 Health Violation — 78/100 (2026)

2026 report: Union County, MS scores 78/100 (Grade B). 4 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter picks.

Walthall County, MS: 4 Violations — 81/100 (2026)

2026 report: Walthall County, MS scores 81/100 (Grade B). 2 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Warren County, MS: 4 Health Violations — 80/100 (2026)

2026 report: Warren County, MS scores 80/100 (Grade B). 6 ZIP codes analyzed. 18 EPA violations found. Free report with contaminant data and filter picks.

Washington County, MS: 14 Health Violations — 84/100 (2026)

2026 report: Washington County, MS scores 84/100 (Grade B). 10 ZIP codes analyzed. 81 EPA violations found. Free report with contaminant data and filter...

Wayne County, MS: 4 Health Violations — 91/100 (2026)

2026 report: Wayne County, MS scores 91/100 (Grade A). 4 ZIP codes analyzed. 28 EPA violations found. Free report with contaminant data and filter picks.

Webster County, MS: 3 Violations — 92/100 (2026)

2026 report: Webster County, MS scores 92/100 (Grade A). 2 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter picks.

Wilkinson County, MS: 3 Health Violations — 79/100 (2026)

2026 report: Wilkinson County, MS scores 79/100 (Grade B). 4 ZIP codes analyzed. 37 EPA violations found. Free report with contaminant data and filter p...

Winston County, MS: 8 Violations — 88/100 (2026)

2026 report: Winston County, MS scores 88/100 (Grade A). 2 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Yalobusha County, MS: 3 Health Violations — 84/100 (2026)

2026 report: Yalobusha County, MS scores 84/100 (Grade B). 6 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter p...

Yazoo County, MS: 2 Health Violations — 88/100 (2026)

2026 report: Yazoo County, MS scores 88/100 (Grade A). 5 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.