Ray Roberts Lake is a productive, nutrient-rich eutrophic lake in Cooke County, Texas. Water quality is graded C based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Cooke County, Ray Roberts Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2024-03-06. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 2.6 ft of visibility. Phosphorus level: 30 µg/L. Chlorophyll-a: 15 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 ft | F |
| Phosphorus | 30 µg/L | C |
| Chlorophyll-a (Algae) | 15 µg/L | C |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Ray Roberts Lake
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Fishing Ray Roberts Lake
Location
County Ranking
Ranked #1 of 2 lakes in Cooke County
Cleaner Lakes Within 30 Miles
Ray Roberts Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Cooke County
Explore Ray Roberts Lake across LakeGrade
More Texas Lake Rankings
Other Grade C Lakes in Texas
Denton County · Clarity: 1.8 ft
Denton County · Clarity: 2.4 ft
Denton County · Clarity: 2.4 ft
Tarrant County · Clarity: 2.4 ft
Tarrant County · Clarity: 3.1 ft
Grayson County · Clarity: 2.2 ft
Eutrophic Lakes in Texas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-03-06
Monitoring stations: 16