waterbycounty

Indiana Water Quality

Drinking water data for all 92 counties.

Avg Water Score

99.8

State Grade

A

Counties with Data

92

of 92 total

All Indiana Counties

CountyWater Score
Allen County100.0
Bartholomew County100.0
Blackford County100.0
Brown County100.0
Daviess County100.0
Dearborn County100.0
Delaware County100.0
Dubois County100.0
Elkhart County100.0
Fayette County100.0
Floyd County100.0
Grant County100.0
Greene County100.0
Hancock County100.0
Harrison County100.0
Hendricks County100.0
Henry County100.0
Howard County100.0
Jackson County100.0
Jay County100.0
Jefferson County100.0
Johnson County100.0
Lake County100.0
Marion County100.0
Marshall County100.0
Martin County100.0
Morgan County100.0
Noble County100.0
Orange County100.0
Owen County100.0
Porter County100.0
Putnam County100.0
Scott County100.0
Shelby County100.0
St. Joseph County100.0
Sullivan County100.0
Switzerland County100.0
Tippecanoe County100.0
Union County100.0
Vanderburgh County100.0
Vigo County100.0
Whitley County100.0
Boone County99.9
Cass County99.9
Clark County99.9
Clay County99.9
DeKalb County99.9
Fulton County99.9
Hamilton County99.9
Knox County99.9
LaPorte County99.9
Madison County99.9
Monroe County99.9
Montgomery County99.9
Newton County99.9
Perry County99.9
Pike County99.9
Randolph County99.9
Ripley County99.9
Spencer County99.9
Starke County99.9
Tipton County99.9
Warrick County99.9
Wayne County99.9
Wells County99.9
Adams County99.8
Clinton County99.8
Crawford County99.8
Gibson County99.8
Jennings County99.8
Pulaski County99.8
Vermillion County99.8
Huntington County99.7
Jasper County99.7
LaGrange County99.7
Ohio County99.7
White County99.7
Carroll County99.6
Kosciusko County99.6
Lawrence County99.5
Miami County99.5
Benton County99.4
Franklin County99.4
Rush County99.4
Wabash County99.4
Steuben County99.3
Washington County99.1
Fountain County99.0
Warren County98.9
Decatur County98.7
Posey County98.7
Parke County97.8

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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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