Boysen Reservoir Transitional Embayment is a mesotrophic lake in Fremont County, Wyoming. Water quality is graded B based on 2 sampling years through 2023. Compared to the 36 other monitored lakes in Fremont County, Boysen Reservoir Transitional Embayment ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2023-10-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 11 ft. Phosphorus level: 20 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | B |
| Phosphorus | 20 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Boysen Reservoir Transitional Embayment
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Location
County Ranking
Ranked #4 of 37 lakes in Fremont County
Nearby Lakes in Fremont County
Explore Boysen Reservoir Transitional Embayment across LakeGrade
More Wyoming Lake Rankings
Other Grade B Lakes in Wyoming
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: 2023-10-10
Monitoring stations: 1