What is the water quality grade for Hereford Reservoir?

Hereford Reservoir in Laramie County, Wyoming received a water quality grade of D (Poor). Water clarity: 3.6 ft visibility. Phosphorus: 1115 µg/L.

Is Hereford Reservoir safe to swim in?

Swimming not recommended, poor water quality with high algae risk. Hereford Reservoir has an overall water quality grade of D. Always check local health department advisories before swimming.

Laramie County, Wyoming

Hereford Reservoir

Grade DPoor · 3.6 ft clarity

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Hypereutrophic

Hereford Reservoir is a highly nutrient-loaded hypereutrophic lake in Laramie County, Wyoming. Water quality is graded D based on 2 sampling years through 2020. Compared to the 8 other monitored lakes in Laramie County, Hereford Reservoir ranks #9 for water quality.

Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2020-09-15. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 3.6 ft. Phosphorus level: 1115 µg/L. Trophic State Index: 82.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.6 ft	D
Phosphorus	1115 µg/L	F
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	82	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Where to stay near Hereford Reservoir

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