Wasatch County Lake Quality
Utah, 29 lakes, average grade B (Good)
Wasatch County's 29 graded lakes fall in the moderate-density bracket for {{stateName}}. The county-level average smooths over real differences — a single agricultural watershed near the southwest corner can pull the average down even if the rest of the county runs clean. With an average grade of B, Wasatch County sits comfortably above the {{stateName}} median.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Strawberry Marina Lake (A) is the cleanest in the county.
Quick Answers for Wasatch County
Planning a trip? Check special fishing regulations for Strawberry Marina Lake — or check the official Utah fishing regulations.
All Lakes in Wasatch County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Strawberry Marina Lake | A | 23.6 ft | - |
| 2 | Strawberry Mid Res Lake | A | 22 ft | - |
| 3 | Strawberry Lake | A | 20 ft | - |
| 4 | Strawberry Reservoir Bryants Fk T | A | 15.6 ft | - |
| 5 | Strawberry Reservoir Narrows T | A | 17.1 ft | - |
| 6 | Strawberry Reservoir Indian Creek Bay T | A | 16.4 ft | - |
| 7 | Strawberry Reservoir Strawberry Bay T | A | 16.4 ft | - |
| 8 | Deer Creek Lake | A | 11.5 ft | - |
| 9 | Nla Lake | A | 17.2 ft | - |
| 10 | Nla Lake | A | 12.5 ft | - |
| 11 | Jordanelle Reservoir | B | 8.2 ft | - |
| 12 | Jordenelle Lake | B | 10.7 ft | - |
| 13 | Deer Creek Mid Res Lake | B | 12.8 ft | - |
| 14 | Deer Creek Upper Res Lake | B | 13.4 ft | - |
| 15 | Jordenelle Provo Riv Inflow Lake | B | 10.6 ft | - |
| 16 | Jordenelle Marina Lake | C | 8.3 ft | - |
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 34 states.
Where to stay near Wasatch County
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Source: EPA National Aquatic Resource Surveys, 2026.