Lakes With Algae Problems in Arkansas
43 lakes in Arkansas 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 | Bois D Arc Lake | Hempstead | F | - | 200 µg/L | 137 µg/L |
| 2 | Grand Lake | Chicot | F | - | 300 µg/L | 115.5 µg/L |
| 3 | Lake Hogue | Poinsett | F | - | 215 µg/L | 114 µg/L |
| 4 | Lake June | Lafayette | F | - | 160 µg/L | 99.5 µg/L |
| 5 | Lake Pine Bluff Diagonally From North And East Levees | Jefferson | F | - | 145 µg/L | 83.9 µg/L |
| 6 | Lake Conway | Faulkner | F | - | 90 µg/L | 75.6 µg/L |
| 7 | Horseshoe Lake | Crittenden | F | - | 85 µg/L | 72.6 µg/L |
| 8 | Lake Wallace | Chicot | F | - | 150 µg/L | 72.5 µg/L |
| 9 | Lake Beulah | Desha | F | 1 ft | 300 µg/L | 69.4 µg/L |
| 10 | Lower Lake Chicot | Chicot | F | - | 170 µg/L | 59 µg/L |
| 11 | Overcup Lake | Conway | F | - | 55 µg/L | 56.4 µg/L |
| 12 | Tunica Cutoff Lake | Lee | F | 1.6 ft | 150 µg/L | 56.2 µg/L |
| 13 | Big Base Lake West | Pulaski | NR | 3.6 ft | - | 49.9 µg/L |
| 14 | Lake Atkins | Pope | F | - | 70 µg/L | 49.5 µg/L |
| 15 | Lake Erling | Lafayette | F | - | 50 µg/L | 49.2 µg/L |
| 16 | Lake Wilson | Ashley | F | - | 200 µg/L | 47.9 µg/L |
| 17 | Desoto Lake | Phillips | F | 1.6 ft | 75 µg/L | 44.1 µg/L |
| 18 | Lake Lee | Chicot | NR | 1.2 ft | 240 µg/L | 43.2 µg/L |
| 19 | Bear Creek Lake | Lee | F | - | 60 µg/L | 42.9 µg/L |
| 20 | Lincoln Lake | Washington | F | - | 50 µg/L | 41.6 µg/L |
| 21 | Lake Charles | Lawrence | F | - | 69.5 µg/L | 40.9 µg/L |
| 22 | Storm Creek Lake | Phillips | F | - | 40 µg/L | 40 µg/L |
| 23 | Blue Mountain Lake @ Ashley Creek | Logan | NR | 1.5 ft | 89 µg/L | 37.6 µg/L |
| 24 | Crystal Lake | Benton | F | - | 40 µg/L | 35.3 µg/L |
| 25 | Siloam Springs Lake | Benton | F | - | 70 µg/L | 34.4 µg/L |
| 26 | Tri County Lake | Calhoun | F | - | 80 µg/L | 32.3 µg/L |
| 27 | Lake Jack Nolan | Sebastian | F | - | 35 µg/L | 31.8 µg/L |
| 28 | Harris Break Lake | Perry | F | - | 40 µg/L | 31.5 µg/L |
| 29 | Bragg Lake | Ouachita | D | - | 110 µg/L | 29.8 µg/L |
| 30 | Lake Millwood | Little River | D | 1 ft | 90 µg/L | 29.6 µg/L |
| 31 | Des Arc Lake | Prairie | C | - | 40 µg/L | 26.4 µg/L |
| 32 | Lower White Oak Lake | Ouachita | C | - | - | 25.9 µg/L |
| 33 | Swepco Lake | Benton | NR | - | 70.5 µg/L | 25.5 µg/L |
| 34 | Upper White Oak Lake | Ouachita | C | - | 40 µg/L | 25.1 µg/L |
| 35 | Lake Dequeen Upstream of Highway Bridge | Sevier | D | 3.5 ft | 47 µg/L | 24.5 µg/L |
| 36 | Lake Elmdale | Washington | D | - | 36 µg/L | 24.1 µg/L |
| 37 | Lake Grampus | Ashley | C | - | 40 µg/L | 23.8 µg/L |
| 38 | Lake Frierson | Greene | C | - | 40 µg/L | 23.8 µg/L |
| 39 | Brewer Lake | Conway | NR | 2.9 ft | 47.5 µg/L | 23 µg/L |
| 40 | Bobb Kidd Lake | Washington | D | - | 42.5 µg/L | 22.8 µg/L |
| 41 | Nimrod Lake | Yell | D | 2.3 ft | 52 µg/L | 22.5 µg/L |
| 42 | Lake Poinsett | Poinsett | C | - | 40 µg/L | 21 µg/L |
| 43 | Lil Base Lake | Pulaski | NR | 2.7 ft | - | 20.2 µg/L |
More Answers for Arkansas
Get Arkansas water-quality updates
New grades and algae readings can change this ranking. Unsubscribe anytime.