Long Park Reservoir is a mesotrophic lake in Daggett County, Utah. Water quality is graded C based on 2 sampling years through 2023. Compared to the 20 other monitored lakes in Daggett County, Long Park Reservoir ranks #20 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2023-08-15. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 6.2 ft. Chlorophyll-a: 6.1 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.2 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 6.1 µg/L | B |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Long Park Reservoir
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Fishing Long Park Reservoir
Location
County Ranking
Ranked #20 of 21 lakes in Daggett County
Cleaner Lakes Within 30 Miles
Long Park Reservoir holds Grade C. 3 nearby lakes hold higher grades.
- ASheep Creek LakeDaggett County · 2 mi · Two grade letters higher (C → A)
- BNla LakeDaggett County · 3.2 mi · Higher grade (C → B)
- BBrowne LakeDaggett County · 4.5 mi · Higher grade (C → B)
Nearby Lakes in Daggett County
Explore Long Park Reservoir across LakeGrade
More Utah Lake Rankings
Other Grade C Lakes in Utah
Mesotrophic 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: 2023-08-15
Monitoring stations: 1