Yellowtail Reservoir Tpd is a productive, nutrient-rich eutrophic lake in Big Horn County, Wyoming. Water quality is graded D based on 1 sampling years through 2015. Compared to the 9 other monitored lakes in Big Horn County, Yellowtail Reservoir Tpd ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2015-09-28. 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
No clarity data. Phosphorus level: 75 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 75 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Yellowtail Reservoir Tpd
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Fishing Yellowtail Reservoir Tpd
Location
County Ranking
Ranked #5 of 10 lakes in Big Horn County
Cleaner Lakes Within 30 Miles
Yellowtail Reservoir Tpd holds Grade D. One nearby lake has a higher grade.
Nearby Lakes in Big Horn County
Explore Yellowtail Reservoir Tpd across LakeGrade
More Wyoming Lake Rankings
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Park County · Clarity: 9.8 ft
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Eutrophic 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: 2015-09-28
Monitoring stations: 1