Lakes With Algae Problems in Nebraska
38 lakes in Nebraska 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 | Crescent Lake | Garden | B | 0.8 ft | 132.5 µg/L | 109.6 µg/L |
| 2 | Merritt Reservoir | Cherry | B | 2 ft | 147 µg/L | 92.1 µg/L |
| 3 | Pelican Lake | Cherry | B | 1.2 ft | 210 µg/L | 88.9 µg/L |
| 4 | Wildwood Lake | Lancaster | F | 1.7 ft | 227.5 µg/L | 85.8 µg/L |
| 5 | Grove Lake | Antelope | F | 2.1 ft | 91.3 µg/L | 84.8 µg/L |
| 6 | Willow Creek Reservoir | Pierce | NR | 1.3 ft | - | 78.4 µg/L |
| 7 | Carter Lake | Douglas | NR | 3.2 ft | - | 76 µg/L |
| 8 | Swan Lake | Holt | B | 1.8 ft | - | 74.8 µg/L |
| 9 | Willow Creek Reservoir | Sarpy | F | 1.5 ft | 96.7 µg/L | 65.6 µg/L |
| 10 | Burchard Lake | Pawnee | F | 1.9 ft | 114 µg/L | 65.3 µg/L |
| 11 | Maskenthine Reservoir | Stanton | F | 2.1 ft | 151 µg/L | 62.9 µg/L |
| 12 | Memphis Lake | Saunders | NR | 1.5 ft | - | 62.6 µg/L |
| 13 | Lake Hastings | Adams | NR | 0.3 ft | - | 60.5 µg/L |
| 14 | Smith Lake | Sheridan | B | 1.7 ft | 248 µg/L | 56.1 µg/L |
| 15 | Swan Creek Lake | Saline | F | 1.5 ft | 684 µg/L | 55.4 µg/L |
| 16 | Pibel Lake | Wheeler | C | 2 ft | 979 µg/L | 54.9 µg/L |
| 17 | Czechland Lake | Saunders | NR | 2.1 ft | - | 53.4 µg/L |
| 18 | Meadowlark Lake | Seward | F | 1.8 ft | 235.5 µg/L | 49.8 µg/L |
| 19 | Hedgefield Lake | Lancaster | F | 1.6 ft | 679.5 µg/L | 46.9 µg/L |
| 20 | Homestead Lake | Butler | NR | 3 ft | - | 46.7 µg/L |
| 21 | Liberty Cove Lake | Webster | F | 2.2 ft | 386 µg/L | 44.1 µg/L |
| 22 | Big Indian Lake | Gage | F | 1.5 ft | 255 µg/L | 42.1 µg/L |
| 23 | Summit Lake | Burt | F | 2.6 ft | 104 µg/L | 37.7 µg/L |
| 24 | Lone Star Reservoir | Fillmore | F | 2.1 ft | 740 µg/L | 36.5 µg/L |
| 25 | Gallagher Canyon Reservoir | Dawson | NR | 1.3 ft | - | 35.6 µg/L |
| 26 | Rockford Lake | Gage | F | 1.7 ft | 328 µg/L | 35.5 µg/L |
| 27 | Ravenna Lake E of Ravenna | Buffalo | F | - | - | 35.1 µg/L |
| 28 | Goose Lake | Holt | B | 1 ft | 170 µg/L | 32.6 µg/L |
| 29 | Buckskin Hills Lake | Dixon | F | 2.4 ft | - | 32 µg/L |
| 30 | Lake North | Platte | NR | 1.3 ft | - | 29.9 µg/L |
| 31 | Powder Creek Lake | Dixon | D | 2.7 ft | - | 29.5 µg/L |
| 32 | Oxbow Trails Reservoir | Butler | D | 1.3 ft | 356.3 µg/L | 29.4 µg/L |
| 33 | Lake Wanahoo | Saunders | D | 2.4 ft | 92.4 µg/L | 28 µg/L |
| 34 | Prairie Queen Lake | Sarpy | D | 3.3 ft | 42.3 µg/L | 26.2 µg/L |
| 35 | Calamus Reservoir | Garfield | B | 3.6 ft | 124.5 µg/L | 26.1 µg/L |
| 36 | Jeffrey Reservoir | Lincoln | NR | 1.5 ft | - | 25.3 µg/L |
| 37 | Kirkman'S Cove Lake | Richardson | D | 1.4 ft | 132 µg/L | 20.5 µg/L |
| 38 | Jenny Newman Lake | Cass | D | 5.4 ft | 72.1 µg/L | 20.2 µg/L |
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