Skip to main content
LakeQuality

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

#LakeCountyClarityPhosphorusAlgae
1Bois D Arc LakeHempstead-200 µg/L137 µg/L
2Grand LakeChicot-300 µg/L115.5 µg/L
3Lake HoguePoinsett-215 µg/L114 µg/L
4Lake JuneLafayette-160 µg/L99.5 µg/L
5Lake Pine Bluff Diagonally From North And East LeveesJefferson-145 µg/L83.9 µg/L
6Lake ConwayFaulkner-90 µg/L75.6 µg/L
7Horseshoe LakeCrittenden-85 µg/L72.6 µg/L
8Lake WallaceChicot-150 µg/L72.5 µg/L
9Lake BeulahDesha1 ft300 µg/L69.4 µg/L
10Lower Lake ChicotChicot-170 µg/L59 µg/L
11Overcup LakeConway-55 µg/L56.4 µg/L
12Tunica Cutoff LakeLee1.6 ft150 µg/L56.2 µg/L
13Big Base Lake WestPulaski3.6 ft-49.9 µg/L
14Lake AtkinsPope-70 µg/L49.5 µg/L
15Lake ErlingLafayette-50 µg/L49.2 µg/L
16Lake WilsonAshley-200 µg/L47.9 µg/L
17Desoto LakePhillips1.6 ft75 µg/L44.1 µg/L
18Lake LeeChicot1.2 ft240 µg/L43.2 µg/L
19Bear Creek LakeLee-60 µg/L42.9 µg/L
20Lincoln LakeWashington-50 µg/L41.6 µg/L
21Lake CharlesLawrence-69.5 µg/L40.9 µg/L
22Storm Creek LakePhillips-40 µg/L40 µg/L
23Blue Mountain Lake @ Ashley CreekLogan1.5 ft89 µg/L37.6 µg/L
24Crystal LakeBenton-40 µg/L35.3 µg/L
25Siloam Springs LakeBenton-70 µg/L34.4 µg/L
26Tri County LakeCalhoun-80 µg/L32.3 µg/L
27Lake Jack NolanSebastian-35 µg/L31.8 µg/L
28Harris Break LakePerry-40 µg/L31.5 µg/L
29Bragg LakeOuachita-110 µg/L29.8 µg/L
30Lake MillwoodLittle River1 ft90 µg/L29.6 µg/L
31Des Arc LakePrairie-40 µg/L26.4 µg/L
32Lower White Oak LakeOuachita--25.9 µg/L
33Swepco LakeBenton-70.5 µg/L25.5 µg/L
34Upper White Oak LakeOuachita-40 µg/L25.1 µg/L
35Lake Dequeen Upstream of Highway BridgeSevier3.5 ft47 µg/L24.5 µg/L
36Lake ElmdaleWashington-36 µg/L24.1 µg/L
37Lake GrampusAshley-40 µg/L23.8 µg/L
38Lake FriersonGreene-40 µg/L23.8 µg/L
39Brewer LakeConway2.9 ft47.5 µg/L23 µg/L
40Bobb Kidd LakeWashington-42.5 µg/L22.8 µg/L
41Nimrod LakeYell2.3 ft52 µg/L22.5 µg/L
42Lake PoinsettPoinsett-40 µg/L21 µg/L
43Lil Base LakePulaski2.7 ft-20.2 µg/L

More Answers for Arkansas

Get Arkansas water-quality updates

New readings can change this ranking. Unsubscribe anytime.