waterbycounty

West Virginia Water Quality

Drinking water data for all 55 counties.

Avg Water Score

99.2

State Grade

A

Counties with Data

54

of 55 total

All West Virginia Counties

CountyWater Score
Berkeley County100.0
Braxton County100.0
Cabell County100.0
Gilmer County100.0
Kanawha County100.0
Lewis County100.0
Monongalia County100.0
Pendleton County100.0
Pleasants County100.0
Putnam County100.0
Taylor County100.0
Upshur County100.0
Wirt County100.0
Marshall County99.9
Mason County99.9
Monroe County99.9
Summers County99.9
Wood County99.9
Brooke County99.8
Grant County99.8
Hancock County99.8
Jackson County99.8
Marion County99.8
Clay County99.7
Nicholas County99.7
Barbour County99.6
Fayette County99.6
Hampshire County99.6
Ohio County99.6
Wayne County99.6
Jefferson County99.5
Logan County99.5
Preston County99.5
Raleigh County99.5
Harrison County99.4
Roane County99.4
Lincoln County99.2
Doddridge County99.1
Mercer County99.1
Mineral County99.1
Morgan County99.1
Randolph County99.0
Wetzel County98.8
Greenbrier County98.7
Ritchie County98.2
Pocahontas County98.0
Tyler County98.0
Webster County98.0
Mingo County97.7
Wyoming County97.3
McDowell County97.2
Calhoun County97.1
Tucker County96.4
Hardy County94.8
Boone County—

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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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