Indiana County Water Quality Reports

Adams County, IN: 2 Health Violations — 53/100 (2026)

2026 report: Adams County, IN scores 53/100 (Grade D). 8 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Allen County, IN: Lead Above EPA Limits — 63/100 (2026)

2026 report: Allen County, IN scores 63/100 (Grade C). 56 ZIP codes analyzed. 590 EPA violations found. Lead above EPA limits. Free report with contamin...

Bartholomew County, IN: 4 Health Violations — 53/100 (2026)

2026 report: Bartholomew County, IN scores 53/100 (Grade D). 10 ZIP codes analyzed. 33 EPA violations found. Free report with contaminant data and filte...

Benton County, IN: 1 Health Violation — 54/100 (2026)

2026 report: Benton County, IN scores 54/100 (Grade D). 9 ZIP codes analyzed. 18 EPA violations found. Free report with contaminant data and filter picks.

Blackford County, IN: 2 Violations — 51/100 (2026)

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

Boone County, IN: 1 Health Violation — 63/100 (2026)

2026 report: Boone County, IN scores 63/100 (Grade C). 7 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Brown County, IN: 1 Health Violation — 70/100 (2026)

2026 report: Brown County, IN scores 70/100 (Grade B). 5 ZIP codes analyzed. 34 EPA violations found. Free report with contaminant data and filter picks.

Carroll County, IN: 6 Health Violations — 49/100 (2026)

2026 report: Carroll County, IN scores 49/100 (Grade D). 12 ZIP codes analyzed. 32 EPA violations found. Free report with contaminant data and filter pi...

Cass County, IN: 3 Health Violations — 49/100 (2026)

2026 report: Cass County, IN scores 49/100 (Grade D). 18 ZIP codes analyzed. 13 EPA violations found. Free report with contaminant data and filter picks.

Clark County, IN: 55 Health Violations — 52/100 (2026)

2026 report: Clark County, IN scores 52/100 (Grade D). 22 ZIP codes analyzed. 436 EPA violations found. Free report with contaminant data and filter picks.

Clay County, IN: 8 Health Violations — 64/100 (2026)

2026 report: Clay County, IN scores 64/100 (Grade C). 15 ZIP codes analyzed. 45 EPA violations found. Free report with contaminant data and filter picks.

Clinton County, IN: 3 Health Violations — 53/100 (2026)

2026 report: Clinton County, IN scores 53/100 (Grade D). 6 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Crawford County, IN: Lead Above EPA Limits — 63/100 (2026)

2026 report: Crawford County, IN scores 63/100 (Grade C). 12 ZIP codes analyzed. 29 EPA violations found. Lead above EPA limits. Free report with contam...

Daviess County, IN: 1 Health Violation — 71/100 (2026)

2026 report: Daviess County, IN scores 71/100 (Grade B). 6 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter picks.

Dearborn County, IN: 2 Health Violations — 69/100 (2026)

2026 report: Dearborn County, IN scores 69/100 (Grade C). 8 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Decatur County, IN: 15 Health Violations — 46/100 (2026)

2026 report: Decatur County, IN scores 46/100 (Grade D). 6 ZIP codes analyzed. 31 EPA violations found. Free report with contaminant data and filter picks.

DeKalb County, IN: 3 Health Violations — 76/100 (2026)

2026 report: DeKalb County, IN scores 76/100 (Grade B). 6 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter picks.

Delaware County, IN: Lead Above EPA Limits — 62/100 (2026)

2026 report: Delaware County, IN scores 62/100 (Grade C). 15 ZIP codes analyzed. 31 EPA violations found. Lead above EPA limits. Free report with contam...

Dubois County, IN: Lead Above EPA Limits — 67/100 (2026)

2026 report: Dubois County, IN scores 67/100 (Grade C). 14 ZIP codes analyzed. 23 EPA violations found. Lead above EPA limits. Free report with contamin...

Elkhart County, IN: 8 Health Violations — 65/100 (2026)

2026 report: Elkhart County, IN scores 65/100 (Grade C). 13 ZIP codes analyzed. 70 EPA violations found. Free report with contaminant data and filter pi...

Fayette County, IN: 3 Health Violations — 50/100 (2026)

2026 report: Fayette County, IN scores 50/100 (Grade D). 3 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Floyd County, IN: 3 Violations — 69/100 (2026)

2026 report: Floyd County, IN scores 69/100 (Grade C). 6 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter picks.

Fountain County, IN: 10 Health Violations — 52/100 (2026)

2026 report: Fountain County, IN scores 52/100 (Grade D). 7 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter pi...

Franklin County, IN: 3 Health Violations — 73/100 (2026)

2026 report: Franklin County, IN scores 73/100 (Grade B). 6 ZIP codes analyzed. 41 EPA violations found. Free report with contaminant data and filter pi...

Fulton County, IN: 1 Health Violation — 55/100 (2026)

2026 report: Fulton County, IN scores 55/100 (Grade C). 7 ZIP codes analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Gibson County, IN: 7 Health Violations — 72/100 (2026)

2026 report: Gibson County, IN scores 72/100 (Grade B). 9 ZIP codes analyzed. 37 EPA violations found. Free report with contaminant data and filter picks.

Grant County, IN: 3 Health Violations — 56/100 (2026)

2026 report: Grant County, IN scores 56/100 (Grade C). 11 ZIP codes analyzed. 44 EPA violations found. Free report with contaminant data and filter picks.

Greene County, IN: 1 Health Violation — 65/100 (2026)

2026 report: Greene County, IN scores 65/100 (Grade C). 12 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter picks.

Hamilton County, IN: 32 Health Violations — 60/100 (2026)

2026 report: Hamilton County, IN scores 60/100 (Grade C). 18 ZIP codes analyzed. 140 EPA violations found. Free report with contaminant data and filter ...

Hancock County, IN: 1 Violation — 53/100 (2026)

2026 report: Hancock County, IN scores 53/100 (Grade D). 4 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Harrison County, IN: 1 Health Violation — 53/100 (2026)

2026 report: Harrison County, IN scores 53/100 (Grade D). 12 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter p...

Hendricks County, IN: 7 Health Violations — 57/100 (2026)

2026 report: Hendricks County, IN scores 57/100 (Grade C). 11 ZIP codes analyzed. 74 EPA violations found. Free report with contaminant data and filter ...

Henry County, IN: 24 Violations — 50/100 (2026)

2026 report: Henry County, IN scores 50/100 (Grade D). 17 ZIP codes analyzed. 24 EPA violations found. Free report with contaminant data and filter picks.

Howard County, IN: 8 Health Violations — 58/100 (2026)

2026 report: Howard County, IN scores 58/100 (Grade C). 10 ZIP codes analyzed. 77 EPA violations found. Free report with contaminant data and filter picks.

Huntington County, IN: 9 Health Violations — 47/100 (2026)

2026 report: Huntington County, IN scores 47/100 (Grade D). 5 ZIP codes analyzed. 33 EPA violations found. Free report with contaminant data and filter ...

Jackson County, IN: 1 Health Violation — 65/100 (2026)

2026 report: Jackson County, IN scores 65/100 (Grade C). 9 ZIP codes analyzed. 22 EPA violations found. Free report with contaminant data and filter picks.

Jasper County, IN: 4 Health Violations — 71/100 (2026)

2026 report: Jasper County, IN scores 71/100 (Grade B). 4 ZIP codes analyzed. 23 EPA violations found. Free report with contaminant data and filter picks.

Jay County, IN: 4 Violations — 59/100 (2026)

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

Jefferson County, IN: 20 Violations — 70/100 (2026)

2026 report: Jefferson County, IN scores 70/100 (Grade B). 6 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter p...

Jennings County, IN: 2 Health Violations — 52/100 (2026)

2026 report: Jennings County, IN scores 52/100 (Grade D). 8 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter pi...

Johnson County, IN: 6 Health Violations — 58/100 (2026)

2026 report: Johnson County, IN scores 58/100 (Grade C). 7 ZIP codes analyzed. 34 EPA violations found. Free report with contaminant data and filter picks.

Knox County, IN: 8 Health Violations — 70/100 (2026)

2026 report: Knox County, IN scores 70/100 (Grade B). 16 ZIP codes analyzed. 67 EPA violations found. Free report with contaminant data and filter picks.

Kosciusko County, IN: Lead Above EPA Limits — 52/100 (2026)

2026 report: Kosciusko County, IN scores 52/100 (Grade D). 24 ZIP codes analyzed. 93 EPA violations found. Lead above EPA limits. Free report with conta...

LaGrange County, IN: 3 Health Violations — 54/100 (2026)

2026 report: LaGrange County, IN scores 54/100 (Grade D). 9 ZIP codes analyzed. 30 EPA violations found. Free report with contaminant data and filter pi...

Lake County, IN: 7 Health Violations — 65/100 (2026)

2026 report: Lake County, IN scores 65/100 (Grade C). 34 ZIP codes analyzed. 116 EPA violations found. Free report with contaminant data and filter picks.

LaPorte County, IN: 9 Health Violations — 77/100 (2026)

2026 report: LaPorte County, IN scores 77/100 (Grade B). 12 ZIP codes analyzed. 168 EPA violations found. Free report with contaminant data and filter p...

Lawrence County, IN: 9 Health Violations — 50/100 (2026)

2026 report: Lawrence County, IN scores 50/100 (Grade D). 7 ZIP codes analyzed. 27 EPA violations found. Free report with contaminant data and filter pi...

Madison County, IN: 27 Health Violations — 62/100 (2026)

2026 report: Madison County, IN scores 62/100 (Grade C). 16 ZIP codes analyzed. 102 EPA violations found. Free report with contaminant data and filter p...

Marion County, IN: 300 Health Violations — 49/100 (2026)

2026 report: Marion County, IN scores 49/100 (Grade D). 60 ZIP codes analyzed. 1560 EPA violations found. Free report with contaminant data and filter p...

Marshall County, IN: 2 Health Violations — 52/100 (2026)

2026 report: Marshall County, IN scores 52/100 (Grade D). 12 ZIP codes analyzed. 47 EPA violations found. Free report with contaminant data and filter p...

Martin County, IN: 30 Violations — 62/100 (2026)

2026 report: Martin County, IN scores 62/100 (Grade C). 6 ZIP codes analyzed. 30 EPA violations found. Free report with contaminant data and filter picks.

Miami County, IN: 9 Violations — 52/100 (2026)

2026 report: Miami County, IN scores 52/100 (Grade D). 6 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Monroe County, IN: 88 Health Violations — 49/100 (2026)

2026 report: Monroe County, IN scores 49/100 (Grade D). 13 ZIP codes analyzed. 217 EPA violations found. Free report with contaminant data and filter pi...

Montgomery County, IN: 8 Health Violations — 59/100 (2026)

2026 report: Montgomery County, IN scores 59/100 (Grade C). 16 ZIP codes analyzed. 64 EPA violations found. Free report with contaminant data and filter...

Morgan County, IN: 29 Violations — 64/100 (2026)

2026 report: Morgan County, IN scores 64/100 (Grade C). 8 ZIP codes analyzed. 29 EPA violations found. Free report with contaminant data and filter picks.

Newton County, IN: 1 Health Violation — 69/100 (2026)

2026 report: Newton County, IN scores 69/100 (Grade C). 12 ZIP codes analyzed. 42 EPA violations found. Free report with contaminant data and filter picks.

Noble County, IN: 2 Health Violations — 58/100 (2026)

2026 report: Noble County, IN scores 58/100 (Grade C). 8 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter picks.

Ohio County, IN Water Safety: 73/100 (2026)

2026 report: Ohio County, IN scores 73/100 (Grade B). 1 ZIP code analyzed. No EPA violations. Free report with contaminant data and filter picks.

Orange County, IN: 6 Violations — 60/100 (2026)

2026 report: Orange County, IN scores 60/100 (Grade C). 5 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Owen County, IN: 8 Violations — 66/100 (2026)

2026 report: Owen County, IN scores 66/100 (Grade C). 6 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Parke County, IN: 17 Health Violations — 69/100 (2026)

2026 report: Parke County, IN scores 69/100 (Grade C). 10 ZIP codes analyzed. 28 EPA violations found. Free report with contaminant data and filter picks.

Perry County, IN: 1 Health Violation — 72/100 (2026)

2026 report: Perry County, IN scores 72/100 (Grade B). 5 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.

Pike County, IN: 16 Violations — 77/100 (2026)

2026 report: Pike County, IN scores 77/100 (Grade B). 3 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter picks.

Porter County, IN: 3 Health Violations — 74/100 (2026)

2026 report: Porter County, IN scores 74/100 (Grade B). 6 ZIP codes analyzed. 40 EPA violations found. Free report with contaminant data and filter picks.

Posey County, IN: 10 Health Violations — 63/100 (2026)

2026 report: Posey County, IN scores 63/100 (Grade C). 5 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter picks.

Pulaski County, IN: 1 Health Violation — 77/100 (2026)

2026 report: Pulaski County, IN scores 77/100 (Grade B). 3 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter picks.

Putnam County, IN: 2 Health Violations — 57/100 (2026)

2026 report: Putnam County, IN scores 57/100 (Grade C). 9 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter picks.

Randolph County, IN: 2 Health Violations — 54/100 (2026)

2026 report: Randolph County, IN scores 54/100 (Grade D). 10 ZIP codes analyzed. 31 EPA violations found. Free report with contaminant data and filter p...

Ripley County, IN: 3 Health Violations — 70/100 (2026)

2026 report: Ripley County, IN scores 70/100 (Grade B). 10 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter picks.

Rush County, IN: 2 Health Violations — 60/100 (2026)

2026 report: Rush County, IN scores 60/100 (Grade C). 4 ZIP codes analyzed. 22 EPA violations found. Free report with contaminant data and filter picks.

Scott County, IN: 12 Violations — 68/100 (2026)

2026 report: Scott County, IN scores 68/100 (Grade C). 2 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Shelby County, IN: 1 Health Violation — 54/100 (2026)

2026 report: Shelby County, IN scores 54/100 (Grade D). 8 ZIP codes analyzed. 7 EPA violations found. Free report with contaminant data and filter picks.

Spencer County, IN: 1 Health Violation — 68/100 (2026)

2026 report: Spencer County, IN scores 68/100 (Grade C). 11 ZIP codes analyzed. 18 EPA violations found. Free report with contaminant data and filter pi...

St. Joseph County, IN: 34 Health Violations — 59/100 (2026)

2026 report: St. Joseph County, IN scores 59/100 (Grade C). 27 ZIP codes analyzed. 273 EPA violations found. Free report with contaminant data and filte...

Starke County, IN: 1 Health Violation — 77/100 (2026)

2026 report: Starke County, IN scores 77/100 (Grade B). 3 ZIP codes analyzed. 11 EPA violations found. Free report with contaminant data and filter picks.

Steuben County, IN: 7 Health Violations — 61/100 (2026)

2026 report: Steuben County, IN scores 61/100 (Grade C). 6 ZIP codes analyzed. 38 EPA violations found. Free report with contaminant data and filter picks.

Sullivan County, IN: 1 Health Violation — 73/100 (2026)

2026 report: Sullivan County, IN scores 73/100 (Grade B). 8 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter pi...

Switzerland County, IN: 4 Violations — 62/100 (2026)

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

Tippecanoe County, IN: 13 Health Violations — 55/100 (2026)

2026 report: Tippecanoe County, IN scores 55/100 (Grade C). 18 ZIP codes analyzed. 98 EPA violations found. Free report with contaminant data and filter...

Tipton County, IN: 1 Health Violation — 53/100 (2026)

2026 report: Tipton County, IN scores 53/100 (Grade D). 5 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter picks.

Union County, IN: 8 Violations — 48/100 (2026)

2026 report: Union County, IN scores 48/100 (Grade D). 4 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Vanderburgh County, IN: 35 Violations — 80/100 (2026)

2026 report: Vanderburgh County, IN scores 80/100 (Grade B). 37 ZIP codes analyzed. 35 EPA violations found. Free report with contaminant data and filte...

Vermillion County, IN: 4 Health Violations — 53/100 (2026)

2026 report: Vermillion County, IN scores 53/100 (Grade D). 10 ZIP codes analyzed. 48 EPA violations found. Free report with contaminant data and filter...

Vigo County, IN: 21 Health Violations — 73/100 (2026)

2026 report: Vigo County, IN scores 73/100 (Grade B). 17 ZIP codes analyzed. 112 EPA violations found. Free report with contaminant data and filter picks.

Wabash County, IN: Lead Above EPA Limits — 57/100 (2026)

2026 report: Wabash County, IN scores 57/100 (Grade C). 7 ZIP codes analyzed. 32 EPA violations found. Lead above EPA limits. Free report with contamina...

Warren County, IN: 2 Health Violations — 58/100 (2026)

2026 report: Warren County, IN scores 58/100 (Grade C). 3 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter picks.

Warrick County, IN: 5 Health Violations — 71/100 (2026)

2026 report: Warrick County, IN scores 71/100 (Grade B). 10 ZIP codes analyzed. 17 EPA violations found. Free report with contaminant data and filter pi...

Washington County, IN: 12 Health Violations — 59/100 (2026)

2026 report: Washington County, IN scores 59/100 (Grade C). 3 ZIP codes analyzed. 25 EPA violations found. Free report with contaminant data and filter ...

Wayne County, IN: 12 Health Violations — 53/100 (2026)

2026 report: Wayne County, IN scores 53/100 (Grade D). 16 ZIP codes analyzed. 88 EPA violations found. Free report with contaminant data and filter picks.

Wells County, IN: 3 Violations — 55/100 (2026)

2026 report: Wells County, IN scores 55/100 (Grade C). 7 ZIP codes analyzed. 3 EPA violations found. Free report with contaminant data and filter picks.

White County, IN: 2 Health Violations — 54/100 (2026)

2026 report: White County, IN scores 54/100 (Grade D). 6 ZIP codes analyzed. 42 EPA violations found. Free report with contaminant data and filter picks.

Whitley County, IN: 1 Health Violation — 58/100 (2026)

2026 report: Whitley County, IN scores 58/100 (Grade C). 3 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter picks.