The State of Alabama's Lakes 2026

Cleanest lakes in Alabama

Highest combined water-quality score, 2026.

1. 1.ASmiw Lake — Winston County11.5 ft clarity · 8 µg/L P · 3 µg/L chl-a
2. 2.ALake Andrews — Houston County5.9 ft clarity · 25 µg/L P · 6 µg/L chl-a
3. 3.ATust Lake — Tuscaloosa County7.7 ft clarity · 12 µg/L P · 5 µg/L chl-a
4. 4.AInlb Lake — Blount County11.9 ft clarity · 12 µg/L P · 3 µg/L chl-a
5. 5.AThue Lake — Elmore County5.8 ft clarity · 9 µg/L P · 3 µg/L chl-a
6. 6.AClam Lake — Wilcox County3.0 ft clarity · 26 µg/L P · 6 µg/L chl-a
7. 7.AClam Lake — Monroe County3.0 ft clarity · 33 µg/L P · 6 µg/L chl-a
8. 8.AMare Lake — Elmore County10.6 ft clarity · 8 µg/L P · 5 µg/L chl-a
9. 9.AMare Lake — Randolph County11.5 ft clarity · 12 µg/L P · 5 µg/L chl-a
10. 10.AYate Lake — Tallapoosa County4.7 ft clarity · 9 µg/L P · 3 µg/L chl-a

Most-polluted lakes

Lowest combined water-quality score among monitored lakes.

1. 1.DBant Lake — Walker County3.3 ft clarity · 26 µg/L P · 19 µg/L chl-a
2. 2.DPurs Lake — Jefferson County3.6 ft clarity · 26 µg/L P · 14 µg/L chl-a
3. 3.DWeic Lake — Cherokee County2.6 ft clarity · 38 µg/L P · 14 µg/L chl-a
4. 4.DWeic Lake — Cherokee County3.3 ft clarity · 33 µg/L P · 21 µg/L chl-a
5. 5.DHolt Lake — Tuscaloosa County4.5 ft clarity · 27 µg/L P · 14 µg/L chl-a
6. 6.DHolt Lake — Tuscaloosa County4.7 ft clarity · 21 µg/L P · 15 µg/L chl-a
7. 7.DTennessee River Lake — Jackson County6.5 ft clarity · 37 µg/L P
8. 8.DTenr Lake — Lauderdale County4.2 ft clarity · 47 µg/L P · 9 µg/L chl-a
9. 9.DLogs Lake — Talladega County2.6 ft clarity · 32 µg/L P · 22 µg/L chl-a
10. 10.DLayc Lake — Shelby County3.7 ft clarity · 25 µg/L P · 19 µg/L chl-a

Worst algae hotspots

Highest measured chlorophyll-a (algae) concentration.

1. 1.FBvlj Lake — Jefferson County40 µg/L chlorophyll-a
2. 2.DOgll Lake — Lee County27 µg/L chlorophyll-a
3. 3.DNees Lake — St. Clair County25 µg/L chlorophyll-a
4. 4.DNees Lake — Cherokee County24 µg/L chlorophyll-a
5. 5.DLogs Lake — Talladega County22 µg/L chlorophyll-a
6. 6.DWeic Lake — Cherokee County21 µg/L chlorophyll-a
7. 7.CWarg Lake — Hale County21 µg/L chlorophyll-a

Trending lakes

Improving

1. 1.BFjac Lake — Covington County
2. 2.CTlst Lake — Talladega County
3. 3.DWeic Lake — Cherokee County
4. 4.DWeic Lake — Cherokee County
5. 5.DNees Lake — Cherokee County
6. 6.DDucc Lake — Cullman County
7. 7.DAlbd Lake — DeKalb County
8. 8.DHilc Lake — Calhoun County

Declining

1. 1.DHolt Lake — Tuscaloosa County
2. 2.DHolt Lake — Tuscaloosa County
3. 3.DLogs Lake — Talladega County
4. 4.DNees Lake — St. Clair County
5. 5.CWarg Lake — Hale County
6. 6.CWarg Lake — Tuscaloosa County
7. 7.CHolt Lake — Tuscaloosa County
8. 8.CTenr Lake — Limestone County