What is the water quality grade for Matt Warner Reservoir E?

Matt Warner Reservoir E in Uintah County, Utah received a water quality grade of C (Fair). Water clarity: 6.2 ft visibility. Chlorophyll-a (algae): 15.2 µg/L.

Is Matt Warner Reservoir E safe to swim in?

Swim with caution, moderate algae may be present. Matt Warner Reservoir E has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 15.2 µg/L. Always check local health department advisories before swimming.

Uintah County, Utah

Matt Warner Reservoir E

Grade CFair · 6.2 ft clarity

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Eutrophic

Matt Warner Reservoir E is a productive, nutrient-rich eutrophic lake in Uintah County, Utah. Water quality is graded C based on 2 sampling years through 2024. Compared to the 31 other monitored lakes in Uintah County, Matt Warner Reservoir E ranks #28 for water quality.

Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2024-09-30. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swim with caution, moderate algae may be present

Water Quality Grade: C, Fair

Murky, only visible to about 6.2 ft. Chlorophyll-a: 15.2 µg/L. Trophic State Index: 54.

Metric	Value	Grade
Water Clarity (Secchi Depth)	6.2 ft	D
Phosphorus	No data
Chlorophyll-a (Algae)	15.2 µg/L	C
Trophic State Index (TSI)	54	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Matt Warner Reservoir E

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