The State of Texas's Lakes 2026

Cleanest lakes in Texas

Cleanest combined nutrient and algae readings, 2026.

1. 1.Lake Hawkins — Wood County6.7 ft clarity · 20 µg/L P · 7 µg/L chl-a
2. 2.Hubbard Creek Reservoir — Stephens County3.1 ft clarity · 30 µg/L P · 9 µg/L chl-a
3. 3.Lake Fk Reservoir — Wood County1.9 ft clarity · 53 µg/L P
4. 4.Lynchburg Reservoir — Harris County1.1 ft clarity · 99 µg/L P · 6 µg/L chl-a
5. 5.Lake Bob Sandlin — Camp County3.9 ft clarity · 30 µg/L P · 20 µg/L chl-a
6. 6.B A Steinhagen Reservoir — Jasper County1.1 ft clarity · 60 µg/L P · 11 µg/L chl-a
7. 7.Lake Gilmer — Upshur County3.0 ft clarity · 38 µg/L P · 25 µg/L chl-a
8. 8.Sam Rayburn Reservoir — San Augustine County3.9 ft clarity · 28 µg/L P · 19 µg/L chl-a
9. 9.Purtis Creek Lake — Henderson County3.0 ft clarity · 45 µg/L P · 26 µg/L chl-a
10. 10.Lake Tyler E — Smith County3.3 ft clarity · 25 µg/L P · 26 µg/L chl-a

Highest measured algae

Highest measured chlorophyll-a (algae) concentration.

1. 1.Rita Blanca Lake — Hartley County345 µg/L chlorophyll-a
2. 2.Palo Duro Reservoir — Hansford County140 µg/L chlorophyll-a
3. 3.Springfield Lake — Limestone County129 µg/L chlorophyll-a
4. 4.Lake Kirby — Taylor County124 µg/L chlorophyll-a
5. 5.Lake Fryer — Ochiltree County124 µg/L chlorophyll-a
6. 6.Victor Braunig Lake — Bexar County91 µg/L chlorophyll-a
7. 7.Buffalo Springs Lake — Lubbock County83 µg/L chlorophyll-a
8. 8.Lake Weatherford — Parker County80 µg/L chlorophyll-a
9. 9.Lake Somerville Mid Lake — Burleson County69 µg/L chlorophyll-a
10. 10.Somerville Lake Big Creek Arm — Burleson County68 µg/L chlorophyll-a

Trending lakes

Improving

1. 1.Bois D'Arc Lake — Fannin County
2. 2.Fairfield Lake — Freestone County
3. 3.Lake Brownwood N End of Dam — Brown County
4. 4.Sam Rayburn Lake — Nacogdoches County
5. 5.Upper Pat Mayse Reservoir — Lamar County
6. 6.Pat Mayse Reservoir — Lamar County
7. 7.Sam Rayburn Reserv Lake — Nacogdoches County
8. 8.Lake Houston — Harris County

Declining

1. 1.Lake Palestine — Smith County
2. 2.Jim L Chapman Lake — Delta County
3. 3.Lake Kirby — Taylor County
4. 4.Lake O the Pines Mid Lake — Marion County
5. 5.Lake Cypress Springs Mid Lake — Franklin County
6. 6.Lake Weatherford — Parker County
7. 7.Upper Lake Palestine — Smith County
8. 8.Buffalo Springs Lake — Lubbock County