Lakes With Algae Problems in Colorado
11 lakes in Colorado 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 | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | North Sterling Reservoir | Logan | F | 1.1 ft | 145 µg/L | 198.1 µg/L |
| 2 | Turks Pond | Baca | NR | 0.7 ft | 85 µg/L | 139.7 µg/L |
| 3 | Prospect Lake | El Paso | F | 1.6 ft | 230 µg/L | 80.5 µg/L |
| 4 | Prospect Lake | Weld | F | - | 300 µg/L | 42.5 µg/L |
| 5 | Equestrian Park Pond | Douglas | NR | 3 ft | 95 µg/L | 35.7 µg/L |
| 6 | Berkeley Lake | Denver | NR | 1 ft | 53 µg/L | 34.1 µg/L |
| 7 | Prewitt Reservoir | Washington | NR | 1.8 ft | 87 µg/L | 31.5 µg/L |
| 8 | Horse Creek Outlet Lake | Weld | D | - | 460 µg/L | 27.6 µg/L |
| 9 | Windsor Lake | Weld | D | 2 ft | 140 µg/L | 25.4 µg/L |
| 10 | Jackson Reservoir | Morgan | D | 2.1 ft | 60.5 µg/L | 22.3 µg/L |
| 11 | Adobe Creek Reservoir | Bent | NR | 1.7 ft | 63.5 µg/L | 21.7 µg/L |
More Answers for Colorado
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