What is the water quality grade for Tie Hack Reservoir?

Tie Hack Reservoir in Johnson County, Wyoming received a water quality grade of A (Excellent). Water clarity: 12.9 ft visibility. Phosphorus: 10 µg/L.

Is Tie Hack Reservoir safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Tie Hack Reservoir has an overall water quality grade of A. Always check local health department advisories before swimming.

Johnson County, Wyoming

Tie Hack Reservoir

Grade AExcellent · 12.9 ft clarity

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Oligotrophic

Tie Hack Reservoir is a cold, clear oligotrophic lake in Johnson County, Wyoming. Water quality is graded A based on 2 sampling years through 2018. Compared to the 7 other monitored lakes in Johnson County, Tie Hack Reservoir ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2018-09-11. Grade methodology: LakeGrade methodology.

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Good clarity, visible to about 12.9 ft. Phosphorus level: 10 µg/L. Trophic State Index: 39.

Metric	Value	Grade
Water Clarity (Secchi Depth)	12.9 ft	B
Phosphorus	10 µg/L	A
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	39	Oligotrophic

Low nutrients, clear water, excellent for swimming

Where to stay near Tie Hack Reservoir

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