Wasatch County Lake Quality
Utah, 11 lakes, average grade C (Fair)
Wasatch County has 11 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. 6 of those lakes carry an A–F grade. The county-level summary describes that subset, not every water body listed. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Jordanelle Reservoir (C); the most-stressed is Strawberry Reservoir Indian Creek Bay T (D).
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Quick Answers for Wasatch County
Planning a trip? Check special fishing regulations for Jordanelle Reservoir — or check the official Utah fishing regulations.
All Lakes in Wasatch County
11 lakes · 6 graded, 5 not rated6 graded lakes · 5 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | CJordanelle ReservoirWasatch | C | 8.2 ft | 20 µg/L | 1.9 µg/L | No recent samples | Not recorded |
| 2 | CStrawberry LakeWasatch | C | 20 ft | 18.2 µg/L | 2.1 µg/L | No recent samples | ✓ Public |
| 3 | CStrawberry Reservoir Bryants Fk TWasatch | C | 15.6 ft | 20 µg/L | 2 µg/L | No recent samples | Not recorded |
| 4 | CStrawberry Reservoir Narrows TWasatch | C | 17.1 ft | 28.5 µg/L | 1.8 µg/L | No recent samples | ✓ Public |
| 5 | CStrawberry Reservoir Strawberry Bay TWasatch | C | 16.4 ft | 20.6 µg/L | 3 µg/L | No recent samples | Not recorded |
| 6 | DStrawberry Reservoir Indian Creek Bay TWasatch | D | 16.4 ft | 31.5 µg/L | 4 µg/L | No recent samples | ✓ Public |
| NRJordenelle LakeWasatch | NR | 10.7 ft | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRDeer Creek Mid Res LakeWasatch | NR | 12.8 ft | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRStrawberry Marina LakeWasatch | NR | 23.6 ft | No recent samples | No recent samples | No recent samples | ✓ Public | |
| NRStrawberry Mid Res LakeWasatch | NR | 22 ft | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRWitts LakeWasatch | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
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Other Counties in Utah
See how Wasatch County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..
Source: EPA National Aquatic Resource Surveys, 2026.