Lakes With Algae Problems in Oklahoma
32 lakes in Oklahoma 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 | Grand Lake | Delaware | F | 1.6 ft | 760 µg/L | 384000 µg/L |
| 2 | Lake Texoma | Johnston | F | 0.3 ft | - | 233 µg/L |
| 3 | Nla Lake | Caddo | F | 1.5 ft | 128000 µg/L | 158.8 µg/L |
| 4 | Nla Lake | Noble | F | 0.4 ft | 2150000 µg/L | 147.5 µg/L |
| 5 | Nla Lake | Washita | F | 0.7 ft | 250.3 µg/L | 117.6 µg/L |
| 6 | Nla Lake | Canadian | F | 0.7 ft | 245280.7 µg/L | 109 µg/L |
| 7 | Nla Lake | McCurtain | F | 1 ft | 190.2 µg/L | 105.2 µg/L |
| 8 | Nla Lake | Hughes | F | 1.2 ft | 327000 µg/L | 95.2 µg/L |
| 9 | Nla Lake | Canadian | F | 1.1 ft | 104 µg/L | 92.2 µg/L |
| 10 | Nla Lake | Stephens | F | 0.6 ft | 209000 µg/L | 90.9 µg/L |
| 11 | Nla Lake | Canadian | F | 0.5 ft | 640.4 µg/L | 74.3 µg/L |
| 12 | Nla Lake | Sequoyah | F | 1.3 ft | 108.6 µg/L | 68 µg/L |
| 13 | Nla Lake | Pawnee | F | 1 ft | 142000 µg/L | 64.8 µg/L |
| 14 | Nla Lake | Craig | F | 0.9 ft | 145.1 µg/L | 55.2 µg/L |
| 15 | Nla Lake | Sequoyah | F | 1.1 ft | 94121.2 µg/L | 50.3 µg/L |
| 16 | Nla Lake | Atoka | F | 0.7 ft | 205 µg/L | 48.3 µg/L |
| 17 | Nla Lake | Cimarron | F | 1 ft | 130.9 µg/L | 41.3 µg/L |
| 18 | Nla Lake | Canadian | D | 0.9 ft | 172049.2 µg/L | 33.8 µg/L |
| 19 | Nla Lake | Rogers | D | 1.4 ft | 85.8 µg/L | 32.8 µg/L |
| 20 | Nla Lake | Carter | D | 1.9 ft | 8514.5 µg/L | 28.8 µg/L |
| 21 | Thunderbird Lake Nature Center | Pottawatomie | C | - | 37.5 µg/L | 28.5 µg/L |
| 22 | Lake Thunderbird | Cleveland | C | 1.7 ft | 57 µg/L | 28 µg/L |
| 23 | Nla Lake | Blaine | D | 1.8 ft | 35523.5 µg/L | 26.8 µg/L |
| 24 | Nla Lake | Washita | D | 2 ft | 571.2 µg/L | 25.1 µg/L |
| 25 | Nla Lake | Payne | C | 3 ft | 49.2 µg/L | 25.1 µg/L |
| 26 | Nla Lake | Osage | D | 0.5 ft | 132.7 µg/L | 24.3 µg/L |
| 27 | Coon Creek Lake | Kay | D | - | 460 µg/L | 24 µg/L |
| 28 | Nla Lake | Hughes | D | 1.6 ft | 79.6 µg/L | 23.2 µg/L |
| 29 | Lake Texoma | Marshall | D | 1.7 ft | 130 µg/L | 23 µg/L |
| 30 | Thunderbird Lake Fisherman'S | Cleveland | C | - | 37 µg/L | 21.4 µg/L |
| 31 | Lake Texoma | Bryan | C | 3.2 ft | 59 µg/L | 21 µg/L |
| 32 | Nla Lake | Pontotoc | D | 2.5 ft | 32000 µg/L | 20 µg/L |