Flaming Gorge-Green River Lake is a cold, clear oligotrophic lake in Sweetwater County, Wyoming. Water quality is graded A based on 2 sampling years through 2016. Compared to the 14 other monitored lakes in Sweetwater County, Flaming Gorge-Green River Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2016-07-06. 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 18.4 ft down. Chlorophyll-a: 2.2 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 18.4 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 2.2 µg/L | A |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Flaming Gorge-Green River Lake
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Fishing Flaming Gorge-Green River Lake
Location
County Ranking
Ranked #2 of 15 lakes in Sweetwater County
Nearby Lakes in Sweetwater County
Explore Flaming Gorge-Green River Lake across LakeGrade
More Wyoming Lake Rankings
Other Grade A Lakes in Wyoming
Lincoln County · Clarity: 15 ft
Lincoln County · Clarity: 13.3 ft
Lincoln County · Clarity: 11.8 ft
Lincoln County · Clarity: 12.3 ft
Fremont County · Clarity: 15.9 ft
Sublette County · Clarity: 27.7 ft
Oligotrophic 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: 2016-07-06
Monitoring stations: 5