Healy Reservoir is a mesotrophic lake in Johnson County, Wyoming. Water quality is graded A based on 2 sampling years through 2019. Compared to the 7 other monitored lakes in Johnson County, Healy Reservoir ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2019-09-09. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 15.3 ft down. Phosphorus level: 20 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 15.3 ft | A |
| Phosphorus | 20 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Healy Reservoir
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Fishing Healy Reservoir
Location
County Ranking
Ranked #4 of 8 lakes in Johnson County
Nearby Lakes in Johnson County
Explore Healy Reservoir across LakeGrade
More Wyoming Lake Rankings
Other Grade A Lakes in Wyoming
Sheridan County · Clarity: 11.5 ft
Sheridan County · Excellent
Carbon County · Clarity: 17.1 ft
Park County · Clarity: 10.6 ft
Park County · Clarity: 17.7 ft
Weston County · Clarity: 22.4 ft
Mesotrophic Lakes in Wyoming
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2019-09-09
Monitoring stations: 2