Wyoming County Water Quality Reports

Albany County, WY: 12 Violations — 54/100 (2026)

2026 report: Albany County, WY scores 54/100 (Grade D). 11 ZIP codes analyzed. 12 EPA violations found. Free report with contaminant data and filter picks.

Big Horn County, WY: 4 Health Violations — 60/100 (2026)

2026 report: Big Horn County, WY scores 60/100 (Grade C). 12 ZIP codes analyzed. 24 EPA violations found. Free report with contaminant data and filter p...

Campbell County, WY: 23 Violations — 62/100 (2026)

2026 report: Campbell County, WY scores 62/100 (Grade C). 6 ZIP codes analyzed. 23 EPA violations found. Free report with contaminant data and filter pi...

Carbon County, WY: Lead Above EPA Limits — 51/100 (2026)

2026 report: Carbon County, WY scores 51/100 (Grade D). 13 ZIP codes analyzed. 63 EPA violations found. Lead above EPA limits. Free report with contamin...

Converse County, WY: 1 Health Violation — 69/100 (2026)

2026 report: Converse County, WY scores 69/100 (Grade C). 2 ZIP codes analyzed. 1 EPA violation found. Free report with contaminant data and filter picks.

Crook County, WY: 3 Health Violations — 51/100 (2026)

2026 report: Crook County, WY scores 51/100 (Grade D). 7 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter picks.

Fremont County, WY: 14 Health Violations — 51/100 (2026)

2026 report: Fremont County, WY scores 51/100 (Grade D). 15 ZIP codes analyzed. 58 EPA violations found. Free report with contaminant data and filter pi...

Goshen County, WY: 6 Violations — 54/100 (2026)

2026 report: Goshen County, WY scores 54/100 (Grade D). 7 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Hot Springs County, WY: 6 Violations — 66/100 (2026)

2026 report: Hot Springs County, WY scores 66/100 (Grade C). 2 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter ...

Johnson County, WY: 4 Health Violations — 57/100 (2026)

2026 report: Johnson County, WY scores 57/100 (Grade C). 3 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Laramie County, WY: 15 Health Violations — 43/100 (2026)

2026 report: Laramie County, WY scores 43/100 (Grade D). 17 ZIP codes analyzed. 85 EPA violations found. Free report with contaminant data and filter pi...

Lincoln County, WY: 22 Health Violations — 58/100 (2026)

2026 report: Lincoln County, WY scores 58/100 (Grade C). 16 ZIP codes analyzed. 132 EPA violations found. Free report with contaminant data and filter p...

Natrona County, WY: 3 Health Violations — 57/100 (2026)

2026 report: Natrona County, WY scores 57/100 (Grade C). 13 ZIP codes analyzed. 48 EPA violations found. Free report with contaminant data and filter pi...

Niobrara County, WY: 12 Health Violations — 44/100 (2026)

2026 report: Niobrara County, WY scores 44/100 (Grade D). 6 ZIP codes analyzed. 24 EPA violations found. Free report with contaminant data and filter pi...

Park County, WY: 1 Health Violation — 60/100 (2026)

2026 report: Park County, WY scores 60/100 (Grade C). 7 ZIP codes analyzed. 8 EPA violations found. Free report with contaminant data and filter picks.

Platte County, WY: 3 Health Violations — 73/100 (2026)

2026 report: Platte County, WY scores 73/100 (Grade B). 6 ZIP codes analyzed. 18 EPA violations found. Free report with contaminant data and filter picks.

Sheridan County, WY: 2 Health Violations — 48/100 (2026)

2026 report: Sheridan County, WY scores 48/100 (Grade D). 13 ZIP codes analyzed. 9 EPA violations found. Free report with contaminant data and filter pi...

Sublette County, WY: 1 Health Violation — 49/100 (2026)

2026 report: Sublette County, WY scores 49/100 (Grade D). 5 ZIP codes analyzed. 82 EPA violations found. Free report with contaminant data and filter pi...

Sweetwater County, WY: 10 Health Violations — 61/100 (2026)

2026 report: Sweetwater County, WY scores 61/100 (Grade C). 11 ZIP codes analyzed. 69 EPA violations found. Free report with contaminant data and filter...

Teton County, WY: 3 Health Violations — 62/100 (2026)

2026 report: Teton County, WY scores 62/100 (Grade C). 9 ZIP codes analyzed. 28 EPA violations found. Free report with contaminant data and filter picks.

Uinta County, WY: 4 Health Violations — 55/100 (2026)

2026 report: Uinta County, WY scores 55/100 (Grade C). 8 ZIP codes analyzed. 15 EPA violations found. Free report with contaminant data and filter picks.

Washakie County, WY: 5 Violations — 69/100 (2026)

2026 report: Washakie County, WY scores 69/100 (Grade C). 2 ZIP codes analyzed. 5 EPA violations found. Free report with contaminant data and filter picks.

Weston County, WY: 1 Health Violation — 73/100 (2026)

2026 report: Weston County, WY scores 73/100 (Grade B). 4 ZIP codes analyzed. 14 EPA violations found. Free report with contaminant data and filter picks.