Lakes With Algae Readings in Missouri
50 lakes in Missouri 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 | Knox Village Lake | Jackson | — | 2.2 ft | 210 µg/L | 193.5 µg/L |
| 2 | Crowder S.P. Lake | Grundy | — | 1 ft | 110 µg/L | 176.4 µg/L |
| 3 | Limpp Lake | Gentry | — | - | 196.7 µg/L | 166.5 µg/L |
| 4 | Drexel City Reservoir South | Bates | — | 0.9 ft | 194 µg/L | 152.7 µg/L |
| 5 | Lewis Lake | Stoddard | — | - | 101 µg/L | 149.8 µg/L |
| 6 | Izaak Walton Lake | Vernon | — | 1.5 ft | 280 µg/L | 123.1 µg/L |
| 7 | Loose Park Lake | Jackson | — | - | 510.5 µg/L | 118.7 µg/L |
| 8 | Edwin A Pape Lake | Lafayette | — | 1.8 ft | 82 µg/L | 116.6 µg/L |
| 9 | Shelbyville Lake | Shelby | — | 1 ft | 252.5 µg/L | 112.4 µg/L |
| 10 | Jamesport Community Lake | Daviess | — | 0.9 ft | 160.3 µg/L | 111.4 µg/L |
| 11 | Teal Lake | Audrain | — | 2 ft | 109 µg/L | 97.7 µg/L |
| 12 | Lake Luna | Cass | — | 1.2 ft | 192.9 µg/L | 92.7 µg/L |
| 13 | Hemitite Lake | St. Francois | — | 1.1 ft | 186.9 µg/L | 91.9 µg/L |
| 14 | Chaumiere Lake | Clay | — | 1.4 ft | 130 µg/L | 86 µg/L |
| 15 | Valley Lake | Jackson | — | - | 85.3 µg/L | 84.4 µg/L |
| 16 | Sterling Price Lake | Chariton | — | 1.5 ft | 128.5 µg/L | 78.8 µg/L |
| 17 | Chaumiere Park Lake | Clay | — | - | 162.7 µg/L | 76.3 µg/L |
| 18 | Troost Lake | Jackson | — | - | 120.5 µg/L | 75.3 µg/L |
| 19 | Lake St Louis | St. Charles | — | 2.7 ft | 50 µg/L | 74.3 µg/L |
| 20 | Mckee Prairie Pond | Jackson | — | 1.3 ft | 130.8 µg/L | 71.7 µg/L |
| 21 | Firehouse Park Lake | Jackson | — | - | 295.5 µg/L | 68 µg/L |
| 22 | Nell Lake | Jackson | — | 1.3 ft | 132.5 µg/L | 67 µg/L |
| 23 | Tilles Park Reservoir | St. Louis | — | - | 434.5 µg/L | 66.5 µg/L |
| 24 | Harrisonville Lake | Cass | — | 1.1 ft | 69 µg/L | 66 µg/L |
| 25 | Blue River Parkway Lake | Jackson | — | - | 194.5 µg/L | 64.2 µg/L |
| 26 | Spanish Lake | St. Louis | — | 1.6 ft | 347.8 µg/L | 62.6 µg/L |
| 27 | Montrose Lake | Henry | — | 0.6 ft | 266 µg/L | 61.9 µg/L |
| 28 | North Lake | Cass | — | 1.6 ft | 152 µg/L | 60.3 µg/L |
| 29 | Unionville Lake | Putnam | — | 1.6 ft | 129.5 µg/L | 57.5 µg/L |
| 30 | Jefferson Lake | St. Louis city | — | - | 70 µg/L | 55.2 µg/L |
| 31 | Gopher Lake | Jackson | — | 1.2 ft | 145.7 µg/L | 53 µg/L |
| 32 | Cameron Lake | DeKalb | — | 1.6 ft | 128.5 µg/L | 52.1 µg/L |
| 33 | Englewood Park Lake | Clay | — | - | 141.8 µg/L | 50.5 µg/L |
| 34 | Kessler Lake | Jackson | — | - | 265 µg/L | 50 µg/L |
| 35 | Spring Fork Lake | Pettis | — | 1.4 ft | 160 µg/L | 48.6 µg/L |
| 36 | Harrisonville City Lake | Cass | — | 1.9 ft | 78.5 µg/L | 48.4 µg/L |
| 37 | Lake Paho | Mercer | — | 2.2 ft | 37 µg/L | 48.2 µg/L |
| 38 | Belcher Branch Lake | Buchanan | — | 1 ft | 44 µg/L | 44.9 µg/L |
| 39 | Unnamed Lake | Callaway | — | 2.3 ft | 97 µg/L | 44.6 µg/L |
| 40 | Coot Lake | Jackson | — | 1.6 ft | 77.2 µg/L | 43.7 µg/L |
| 41 | Ashland Lake | Boone | — | 1.9 ft | 92.2 µg/L | 43.6 µg/L |
| 42 | Vandalia Community Lake | Audrain | — | 1.8 ft | 110 µg/L | 42 µg/L |
| 43 | Lake of the Woods | Jackson | — | - | 111 µg/L | 40.9 µg/L |
| 44 | Fon-du-Lac Reservoir | Jefferson | — | 1.3 ft | 81 µg/L | 40.7 µg/L |
| 45 | Jackrabbit Lake | Jackson | — | 1.5 ft | 148.3 µg/L | 40 µg/L |
| 46 | Cottontail Lake | Jackson | — | 1.6 ft | 86.5 µg/L | 39.4 µg/L |
| 47 | King Lake | DeKalb | — | 0.8 ft | 186 µg/L | 39.2 µg/L |
| 48 | Blind Pony Lake | Saline | — | 2.3 ft | 63.7 µg/L | 38.4 µg/L |
| 49 | Rocky Fork Lake | Boone | — | 2.3 ft | 73.8 µg/L | 38.1 µg/L |
| 50 | Washington Lake | Jackson | — | - | 116.6 µg/L | 36.9 µg/L |
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