Farmington Bay Lake is a highly nutrient-loaded hypereutrophic lake in Davis County, Utah. Water quality is graded F based on 2 sampling years through 2023. Compared to the 7 other monitored lakes in Davis County, Farmington Bay Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2023-10-25. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
No clarity data. Phosphorus level: 343 µg/L. Chlorophyll-a: 89.9 µg/L. Trophic State Index: 82.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 343 µg/L | F |
| Chlorophyll-a (Algae) | 89.9 µg/L | F |
| Trophic State Index (TSI) | 82 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Farmington Bay Lake
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Fishing Farmington Bay Lake
Location
County Ranking
Ranked #5 of 8 lakes in Davis County
Cleaner Lakes Within 30 Miles
Farmington Bay Lake holds Grade F. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Davis County
Explore Farmington Bay Lake across LakeGrade
More Utah Lake Rankings
Other Grade F Lakes in Utah
Hypereutrophic 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: 2023-10-25
Monitoring stations: 1