Tennessee County Water Quality Reports

Anderson County, TN: 2 Health Violations — 55/100 (2026)

2026 report: Anderson County, TN scores 55/100 (Grade C). 8 ZIP codes analyzed. 49 EPA violations found. Free report with contaminant data and filter pi...

Bedford County, TN: 25 Health Violations — 55/100 (2026)

2026 report: Bedford County, TN scores 55/100 (Grade C). 8 ZIP codes analyzed. 33 EPA violations found. Free report with contaminant data and filter picks.

Benton County, TN: 1 Violation — 81/100 (2026)

2026 report: Benton County, TN scores 81/100 (Grade B). 3 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Bledsoe County, TN: 1 Health Violation — 98/100 (2026)

2026 report: Bledsoe County, TN scores 98/100 (Grade A). 1 ZIP code analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Blount County, TN: 4 Health Violations — 57/100 (2026)

2026 report: Blount County, TN scores 57/100 (Grade C). 12 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Bradley County, TN: 6 Violations — 59/100 (2026)

2026 report: Bradley County, TN scores 59/100 (Grade C). 9 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Campbell County, TN: 6 Violations — 76/100 (2026)

2026 report: Campbell County, TN scores 76/100 (Grade B). 6 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Cannon County, TN: 2 Violations — 70/100 (2026)

2026 report: Cannon County, TN scores 70/100 (Grade B). 5 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Carroll County, TN: 14 Violations — 81/100 (2026)

2026 report: Carroll County, TN scores 81/100 (Grade B). 14 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter pi...

Carter County, TN: PFAS Found in Water — 74/100 (2026)

2026 report: Carter County, TN scores 74/100 (Grade B). 6 ZIP codes analyzed. 10 EPA violations found. PFAS detected. Free report with contaminant data ...

Cheatham County, TN: 3 Violations — 60/100 (2026)

2026 report: Cheatham County, TN scores 60/100 (Grade C). 6 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter picks.

Chester County, TN: 4 Violations — 59/100 (2026)

2026 report: Chester County, TN scores 59/100 (Grade C). 7 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Claiborne County, TN: 13 Violations — 50/100 (2026)

2026 report: Claiborne County, TN scores 50/100 (Grade D). 11 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter ...

Clay County, TN: 3 Health Violations — 71/100 (2026)

2026 report: Clay County, TN scores 71/100 (Grade B). 3 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Cocke County, TN: 5 Violations — 69/100 (2026)

2026 report: Cocke County, TN scores 69/100 (Grade C). 6 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Coffee County, TN: PFAS Found in Water — 60/100 (2026)

2026 report: Coffee County, TN scores 60/100 (Grade C). 5 ZIP codes analyzed. 22 EPA violations found. PFAS detected. Free report with contaminant data ...

Crockett County, TN: 5 Violations — 80/100 (2026)

2026 report: Crockett County, TN scores 80/100 (Grade B). 9 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Cumberland County, TN: 5 Violations — 89/100 (2026)

2026 report: Cumberland County, TN scores 89/100 (Grade A). 8 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter p...

Davidson County, TN: 119 Violations — 60/100 (2026)

2026 report: Davidson County, TN scores 60/100 (Grade C). 48 ZIP codes analyzed. 119 EPA violations found. Free report with contaminant data and filter ...

Decatur County, TN: 20 Violations — 71/100 (2026)

2026 report: Decatur County, TN scores 71/100 (Grade B). 5 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter picks.

DeKalb County, TN: 1 Health Violation — 62/100 (2026)

2026 report: DeKalb County, TN scores 62/100 (Grade C). 5 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter picks.

Dickson County, TN: 6 Violations — 68/100 (2026)

2026 report: Dickson County, TN scores 68/100 (Grade C). 7 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Dyer County, TN: 6 Violations — 84/100 (2026)

2026 report: Dyer County, TN scores 84/100 (Grade B). 7 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Fayette County, TN: 12 Violations — 81/100 (2026)

2026 report: Fayette County, TN scores 81/100 (Grade B). 8 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Fentress County, TN: 4 Health Violations — 62/100 (2026)

2026 report: Fentress County, TN scores 62/100 (Grade C). 7 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Franklin County, TN: PFAS Found in Water — 86/100 (2026)

2026 report: Franklin County, TN scores 86/100 (Grade A). 12 ZIP codes analyzed. 22 EPA violations found. PFAS detected. Free report with contaminant da...

Gibson County, TN: 25 Violations — 84/100 (2026)

2026 report: Gibson County, TN scores 84/100 (Grade B). 9 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter picks.

Giles County, TN: 2 Health Violations — 55/100 (2026)

2026 report: Giles County, TN scores 55/100 (Grade C). 10 ZIP codes analyzed. 26 EPA violations found. Free report with contaminant data and filter picks.

Grainger County, TN: 4 Violations — 57/100 (2026)

2026 report: Grainger County, TN scores 57/100 (Grade C). 4 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Greene County, TN: 4 Violations — 59/100 (2026)

2026 report: Greene County, TN scores 59/100 (Grade C). 9 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Grundy County, TN: 3 Health Violations — 78/100 (2026)

2026 report: Grundy County, TN scores 78/100 (Grade B). 6 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Hamblen County, TN: 32 Violations — 56/100 (2026)

2026 report: Hamblen County, TN scores 56/100 (Grade C). 8 ZIP codes analyzed. 32 EPA violations found. Free report with contaminant data and filter picks.

Hamilton County, TN: 2 Health Violations — 69/100 (2026)

2026 report: Hamilton County, TN scores 69/100 (Grade C). 35 ZIP codes analyzed. 68 EPA violations found. Free report with contaminant data and filter p...

Hancock County, TN: 1 Violation — 68/100 (2026)

2026 report: Hancock County, TN scores 68/100 (Grade C). 1 ZIP code analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Hardeman County, TN: 25 Violations — 81/100 (2026)

2026 report: Hardeman County, TN scores 81/100 (Grade B). 13 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter p...

Hardin County, TN: 1 Health Violation — 71/100 (2026)

2026 report: Hardin County, TN scores 71/100 (Grade B). 5 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Hawkins County, TN: 4 Health Violations — 59/100 (2026)

2026 report: Hawkins County, TN scores 59/100 (Grade C). 7 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter picks.

Haywood County, TN Water Safety: 79/100 (2026)

2026 report: Haywood County, TN scores 79/100 (Grade B). 2 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Henderson County, TN: 9 Violations — 60/100 (2026)

2026 report: Henderson County, TN scores 60/100 (Grade C). 7 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter pi...

Henry County, TN: 9 Violations — 79/100 (2026)

2026 report: Henry County, TN scores 79/100 (Grade B). 9 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Hickman County, TN: 8 Violations — 53/100 (2026)

2026 report: Hickman County, TN scores 53/100 (Grade D). 10 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Houston County, TN: 2 Health Violations — 67/100 (2026)

2026 report: Houston County, TN scores 67/100 (Grade C). 2 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Humphreys County, TN: 6 Violations — 53/100 (2026)

2026 report: Humphreys County, TN scores 53/100 (Grade D). 4 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter pi...

Jackson County, TN: 10 Health Violations — 40/100 (2026)

2026 report: Jackson County, TN scores 40/100 (Grade D). 2 ZIP codes analyzed. 22 EPA violations found. Free report with contaminant data and filter picks.

Jefferson County, TN: 10 Violations — 64/100 (2026)

2026 report: Jefferson County, TN scores 64/100 (Grade C). 5 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter p...

Johnson County, TN: 10 Violations — 59/100 (2026)

2026 report: Johnson County, TN scores 59/100 (Grade C). 4 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter picks.

Knox County, TN: 2 Violations — 64/100 (2026)

2026 report: Knox County, TN scores 64/100 (Grade C). 36 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Lake County, TN Water Safety: 72/100 (2026)

2026 report: Lake County, TN scores 72/100 (Grade B). 3 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Lauderdale County, TN: 13 Violations — 87/100 (2026)

2026 report: Lauderdale County, TN scores 87/100 (Grade A). 4 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter ...

Lawrence County, TN: 17 Violations — 55/100 (2026)

2026 report: Lawrence County, TN scores 55/100 (Grade C). 8 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter pi...

Lewis County, TN: 2 Violations — 68/100 (2026)

2026 report: Lewis County, TN scores 68/100 (Grade C). 1 ZIP code analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Lincoln County, TN: 4 Violations — 54/100 (2026)

2026 report: Lincoln County, TN scores 54/100 (Grade D). 4 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Loudon County, TN: 3 Violations — 67/100 (2026)

2026 report: Loudon County, TN scores 67/100 (Grade C). 3 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter picks.

Macon County, TN: 1 Violation — 68/100 (2026)

2026 report: Macon County, TN scores 68/100 (Grade C). 3 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Madison County, TN: 25 Violations — 58/100 (2026)

2026 report: Madison County, TN scores 58/100 (Grade C). 8 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter picks.

Marion County, TN: 4 Health Violations — 70/100 (2026)

2026 report: Marion County, TN scores 70/100 (Grade B). 6 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter picks.

Marshall County, TN: 2 Violations — 57/100 (2026)

2026 report: Marshall County, TN scores 57/100 (Grade C). 6 ZIP codes analyzed. 2 EPA violations found. Free report with contaminant data and filter picks.

Maury County, TN Water Safety: 84/100 (2026)

2026 report: Maury County, TN scores 84/100 (Grade B). 6 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

McMinn County, TN: 4 Violations — 64/100 (2026)

2026 report: McMinn County, TN scores 64/100 (Grade C). 8 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

McNairy County, TN: 7 Violations — 62/100 (2026)

2026 report: McNairy County, TN scores 62/100 (Grade C). 10 ZIP codes analyzed. 7 EPA violations found. Free report with contaminant data and filter picks.

Meigs County, TN: High Radon Risk — 70/100 (2026)

2026 report: Meigs County, TN scores 70/100 (Grade B). 1 ZIP code analyzed. No EPA violations. Free report with contaminant data and filter picks.

Monroe County, TN: 2 Health Violations — 60/100 (2026)

2026 report: Monroe County, TN scores 60/100 (Grade C). 6 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter picks.

Montgomery County, TN: 29 Health Violations — 66/100 (2026)

2026 report: Montgomery County, TN scores 66/100 (Grade C). 10 ZIP codes analyzed. 36 EPA violations found. Free report with contaminant data and filter...

Moore County, TN: 5 Violations — 51/100 (2026)

2026 report: Moore County, TN scores 51/100 (Grade D). 2 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Morgan County, TN: 1 Violation — 80/100 (2026)

2026 report: Morgan County, TN scores 80/100 (Grade B). 2 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Obion County, TN: 16 Violations — 78/100 (2026)

2026 report: Obion County, TN scores 78/100 (Grade B). 12 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter picks.

Overton County, TN: 5 Violations — 65/100 (2026)

2026 report: Overton County, TN scores 65/100 (Grade C). 8 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Perry County, TN: 9 Violations — 58/100 (2026)

2026 report: Perry County, TN scores 58/100 (Grade C). 2 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Pickett County, TN: 4 Health Violations — 58/100 (2026)

2026 report: Pickett County, TN scores 58/100 (Grade C). 2 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter picks.

Polk County, TN: 10 Violations — 70/100 (2026)

2026 report: Polk County, TN scores 70/100 (Grade B). 8 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter picks.

Putnam County, TN: 51 Violations — 66/100 (2026)

2026 report: Putnam County, TN scores 66/100 (Grade C). 11 ZIP codes analyzed. 51 EPA violations found. Free report with contaminant data and filter picks.

Rhea County, TN: 6 Health Violations — 80/100 (2026)

2026 report: Rhea County, TN scores 80/100 (Grade B). 5 ZIP codes analyzed. 22 EPA violations found. Free report with contaminant data and filter picks.

Roane County, TN: 4 Health Violations — 55/100 (2026)

2026 report: Roane County, TN scores 55/100 (Grade C). 7 ZIP codes analyzed. 31 EPA violations found. Free report with contaminant data and filter picks.

Robertson County, TN: 3 Health Violations — 74/100 (2026)

2026 report: Robertson County, TN scores 74/100 (Grade B). 7 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter pi...

Rutherford County, TN: 7 Health Violations — 57/100 (2026)

2026 report: Rutherford County, TN scores 57/100 (Grade C). 13 ZIP codes analyzed. 23 EPA violations found. Free report with contaminant data and filter...

Scott County, TN Water Safety: 78/100 (2026)

2026 report: Scott County, TN scores 78/100 (Grade B). 6 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Sequatchie County, TN: 7 Violations — 74/100 (2026)

2026 report: Sequatchie County, TN scores 74/100 (Grade B). 2 ZIP codes analyzed. 7 EPA violations found. Free report with contaminant data and filter p...

Sevier County, TN: 12 Violations — 71/100 (2026)

2026 report: Sevier County, TN scores 71/100 (Grade B). 8 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Shelby County, TN: 10 Violations — 92/100 (2026)

2026 report: Shelby County, TN scores 92/100 (Grade A). 79 ZIP codes analyzed. 10 EPA violations found. Free report with contaminant data and filter picks.

Smith County, TN: 9 Health Violations — 50/100 (2026)

2026 report: Smith County, TN scores 50/100 (Grade D). 9 ZIP codes analyzed. 23 EPA violations found. Free report with contaminant data and filter picks.

Stewart County, TN: 3 Health Violations — 78/100 (2026)

2026 report: Stewart County, TN scores 78/100 (Grade B). 5 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Sullivan County, TN: 44 Violations — 59/100 (2026)

2026 report: Sullivan County, TN scores 59/100 (Grade C). 14 ZIP codes analyzed. 44 EPA violations found. Free report with contaminant data and filter p...

Sumner County, TN: 3 Violations — 62/100 (2026)

2026 report: Sumner County, TN scores 62/100 (Grade C). 11 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter picks.

Tipton County, TN: 1 Health Violation — 80/100 (2026)

2026 report: Tipton County, TN scores 80/100 (Grade B). 8 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Trousdale County, TN: 3 Health Violations — 53/100 (2026)

2026 report: Trousdale County, TN scores 53/100 (Grade D). 1 ZIP code analyzed. 7 EPA violations found. Free report with contaminant data and filter picks.

Unicoi County, TN Water Safety: 78/100 (2026)

2026 report: Unicoi County, TN scores 78/100 (Grade B). 2 ZIP codes analyzed. No EPA violations. Free report with contaminant data and filter picks.

Union County, TN: 1 Health Violation — 55/100 (2026)

2026 report: Union County, TN scores 55/100 (Grade C). 6 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.

Van Buren County, TN: 12 Health Violations — 64/100 (2026)

2026 report: Van Buren County, TN scores 64/100 (Grade C). 3 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter p...

Warren County, TN: 26 Health Violations — 59/100 (2026)

2026 report: Warren County, TN scores 59/100 (Grade C). 7 ZIP codes analyzed. 27 EPA violations found. Free report with contaminant data and filter picks.

Washington County, TN: 1 Health Violation — 55/100 (2026)

2026 report: Washington County, TN scores 55/100 (Grade C). 12 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter...

Wayne County, TN: 11 Health Violations — 57/100 (2026)

2026 report: Wayne County, TN scores 57/100 (Grade C). 6 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter picks.

Weakley County, TN: 14 Violations — 90/100 (2026)

2026 report: Weakley County, TN scores 90/100 (Grade A). 7 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.

White County, TN Water Safety: 63/100 (2026)

2026 report: White County, TN scores 63/100 (Grade C). 1 ZIP code analyzed. No EPA violations. Free report with contaminant data and filter picks.

Williamson County, TN: 15 Health Violations — 52/100 (2026)

2026 report: Williamson County, TN scores 52/100 (Grade D). 11 ZIP codes analyzed. 48 EPA violations found. Free report with contaminant data and filter...

Wilson County, TN: 10 Health Violations — 58/100 (2026)

2026 report: Wilson County, TN scores 58/100 (Grade C). 9 ZIP codes analyzed. 24 EPA violations found. Free report with contaminant data and filter picks.