County Water Quality Report
Clark County, Washington
County average grade
D
Utilities rated
2
Population served
526,573
Top water quality concerns in Clark County
- PFAS contaminationin 2 of 2 utilities
- Total PFOS and PFOA significantly above health guidelinein 2 of 2 utilities
- Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 2 of 2 utilities
- Arsenic significantly above health guidelinein 1 of 2 utilities
- Perfluorooctanoic acid (PFOA) significantly above health guidelinein 1 of 2 utilities
All utilities in Clark County
Click any utility for full grade card, contaminant data, and treatment plant contact info.