Lakes With Algae Readings in Utah
10 lakes in Utah report elevated algae levels (chlorophyll-a above 20 µg/L). These lakes are most likely to develop blue-green algae blooms during warm, calm summer weather. Avoid swimming during visible blooms and rinse pets after contact.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Farmington Bay Lake | Davis | - | 405 µg/L | 106 µg/L |
| 2 | Newcastle Reservoir | Iron | 9.5 ft | 52 µg/L | 89 µg/L |
| 3 | Koosharem Reservoir | Sevier | 7.2 ft | 194 µg/L | 58.4 µg/L |
| 4 | Utah Lake Sp @ Marina | Utah | 0.7 ft | 132 µg/L | 55.3 µg/L |
| 5 | Yuba Reservoir Midway | Juab | 2.8 ft | 43.5 µg/L | 38.4 µg/L |
| 6 | Baker Dam Reservoir | Washington | 3.6 ft | 78 µg/L | 29.5 µg/L |
| 7 | Johnson Reservoir | Sevier | 2 ft | 82 µg/L | 29.1 µg/L |
| 8 | Gsl Farmington Bay Outflow Lake | Davis | 1 ft | 484.5 µg/L | 27.8 µg/L |
| 9 | Mill Meadow Reservoir | Wayne | 5.9 ft | 66 µg/L | 22.7 µg/L |
| 10 | Panguitch L Shore Lake | Garfield | 5.7 ft | 94 µg/L | 21.7 µg/L |
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