Upper Ned Wilson Lake is a productive, nutrient-rich eutrophic lake in Rio Blanco County, Colorado. Water quality is graded C based on 1 sampling years through 2020. Compared to the 4 other monitored lakes in Rio Blanco County, Upper Ned Wilson Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Colorado DNR, last sampled 2020-09-03. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
No clarity data. Phosphorus level: 50 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 50 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Upper Ned Wilson Lake
Location
County Ranking
Ranked #3 of 5 lakes in Rio Blanco County
Nearby Lakes in Rio Blanco County
Explore Upper Ned Wilson Lake across LakeGrade
More Colorado Lake Rankings
Other Grade C Lakes in Colorado
Eutrophic Lakes in Colorado
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: 2020-09-03
Monitoring stations: 1