Lake Powell Goodhope Bay Midchannel is a productive, nutrient-rich eutrophic lake in Garfield County, Utah. Water quality is graded D based on 1 sampling years through 2025. Compared to the 12 other monitored lakes in Garfield County, Lake Powell Goodhope Bay Midchannel ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2025-06-25. 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
Murky, only visible to about 6.1 ft. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.1 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Powell Goodhope Bay Midchannel
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Fishing Lake Powell Goodhope Bay Midchannel
Location
County Ranking
Ranked #10 of 13 lakes in Garfield County
Nearby Lakes in Garfield County
Explore Lake Powell Goodhope Bay Midchannel across LakeGrade
More Utah Lake Rankings
Other Grade D Lakes in Utah
Eutrophic Lakes in Utah
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: 2025-06-25
Monitoring stations: 1