Baker Dam Reservoir is a productive, nutrient-rich eutrophic lake in Washington County, Utah. Water quality is graded D based on 2 sampling years through 2025. Compared to the 14 other monitored lakes in Washington County, Baker Dam Reservoir ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2025-08-19. 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 3.6 ft. Chlorophyll-a: 29.5 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.6 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 29.5 µg/L | D |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Baker Dam Reservoir
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Fishing Baker Dam Reservoir
Location
County Ranking
Ranked #14 of 15 lakes in Washington County
Cleaner Lakes Within 30 Miles
Baker Dam Reservoir holds Grade D. 4 nearby lakes hold higher grades.
- BNla LakeWashington County · 11.6 mi · Two grade letters higher (D → B)
- BGunlock Reservoir MidwayWashington County · 10.9 mi · Two grade letters higher (D → B)
- BGunlock ReservoirWashington County · 11.6 mi · Two grade letters higher (D → B)
- BUpper Enterprise ReservoirWashington County · 15.7 mi · Two grade letters higher (D → B)
Nearby Lakes in Washington County
Explore Baker Dam Reservoir 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: 2025-08-19
Monitoring stations: 2