The State of Missouri's Lakes 2026

Cleanest lakes in Missouri

Highest combined water-quality score, 2026.

1. 1.ASherwood Lake — Warren County5.9 ft clarity · 14 µg/L P · 4 µg/L chl-a
2. 2.ALake Taneycomo @ Rockaway Beach — Taney County8.7 ft clarity · 14 µg/L P · 1 µg/L chl-a
3. 3.AFox Valley Lake — Clark County8.5 ft clarity · 17 µg/L P · 4 µg/L chl-a
4. 4.ABull Shoals Lake — Taney County8.1 ft clarity · 10 µg/L P · 4 µg/L chl-a
5. 5.ALake Shayne-Terre du Lac Lakes — Washington County11.1 ft clarity · 5 µg/L P · 1 µg/L chl-a
6. 6.ALake Konstanz — Warren County7.7 ft clarity · 7 µg/L P · 2 µg/L chl-a
7. 7.ALake Capri — St. Francois County16.3 ft clarity · 6 µg/L P · 1 µg/L chl-a
8. 8.AInnsbrook Lake — Warren County5.2 ft clarity · 17 µg/L P · 5 µg/L chl-a
9. 9.AWeatherby Lake — Platte County6.2 ft clarity · 16 µg/L P · 6 µg/L chl-a
10. 10.ATable Rock L. Ab. Carter Br. Lake — Barry County6.8 ft clarity · 9 µg/L P · 4 µg/L chl-a

Most-polluted lakes

Lowest combined water-quality score among monitored lakes.

1. 1.FNorth Lake — Cass County1.6 ft clarity · 152 µg/L P · 60 µg/L chl-a
2. 2.FNodaway Lake — Nodaway County2.1 ft clarity · 57 µg/L P · 35 µg/L chl-a
3. 3.FMallard Lake — St. Louis County1.9 ft clarity · 84 µg/L P · 32 µg/L chl-a
4. 4.FCreve Coeur Lake — St. Louis County1.6 ft clarity · 101 µg/L P · 35 µg/L chl-a
5. 5.FJackrabbit Lake — Jackson County1.5 ft clarity · 148 µg/L P · 40 µg/L chl-a
6. 6.FCameron Lake Deep Site — DeKalb County1.9 ft clarity · 106 µg/L P · 35 µg/L chl-a
7. 7.FHemitite Lake — St. Francois County1.1 ft clarity · 187 µg/L P · 92 µg/L chl-a
8. 8.FVandalia Community Lake — Audrain County1.8 ft clarity · 110 µg/L P · 42 µg/L chl-a
9. 9.FLittle Dixie Lake — Callaway County1.7 ft clarity · 67 µg/L P · 36 µg/L chl-a
10. 10.FHarrisonville City Lake — Cass County1.9 ft clarity · 79 µg/L P · 48 µg/L chl-a

Worst algae hotspots

Highest measured chlorophyll-a (algae) concentration.

1. 1.NRKnox Village Lake — Jackson County194 µg/L chlorophyll-a
2. 2.NRCrowder S.P. Lake — Grundy County176 µg/L chlorophyll-a
3. 3.NRLimpp Lake — Gentry County167 µg/L chlorophyll-a
4. 4.FDrexel City Reservoir South — Bates County153 µg/L chlorophyll-a
5. 5.NRLewis Lake — Stoddard County150 µg/L chlorophyll-a
6. 6.NRIzaak Walton Lake — Vernon County123 µg/L chlorophyll-a
7. 7.FLoose Park Lake — Jackson County119 µg/L chlorophyll-a
8. 8.NREdwin A Pape Lake — Lafayette County117 µg/L chlorophyll-a
9. 9.FShelbyville Lake — Shelby County112 µg/L chlorophyll-a
10. 10.FJamesport Community Lake — Daviess County111 µg/L chlorophyll-a

Trending lakes

Improving

1. 1.AFox Valley Lake — Clark County
2. 2.ALake Shayne-Terre du Lac Lakes — Washington County
3. 3.ALake Konstanz — Warren County
4. 4.ALake Capri — St. Francois County
5. 5.AWeatherby Lake — Platte County
6. 6.ALake Marseilles-Terre du Lac Lakes — St. Francois County
7. 7.ABowling Green Lake — Pike County
8. 8.ALake Taneycomo — Taney County

Declining

1. 1.FCottontail Lake — Jackson County
2. 2.FMallard Lake — St. Louis County
3. 3.FCreve Coeur Lake — St. Louis County
4. 4.FJackrabbit Lake — Jackson County
5. 5.FHemitite Lake — St. Francois County
6. 6.FLittle Dixie Lake — Callaway County
7. 7.FBinder Lake — Cole County
8. 8.FNell Lake — Jackson County