Lake Crook Mid Lake is a productive, nutrient-rich eutrophic lake in Lamar County, Texas. Water quality is graded D based on 2 sampling years through 2025. Compared to the 2 other monitored lakes in Lamar County, Lake Crook Mid Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2025-09-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 1.6 ft of visibility. Phosphorus level: 85 µg/L. Chlorophyll-a: 50 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 ft | F |
| Phosphorus | 85 µg/L | D |
| Chlorophyll-a (Algae) | 50 µg/L | F |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Crook Mid Lake
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Fishing Lake Crook Mid Lake
Location
County Ranking
Ranked #3 of 3 lakes in Lamar County
Cleaner Lakes Within 30 Miles
Lake Crook Mid Lake holds Grade D. 5 nearby lakes hold higher grades.
- CPat Mayse ReservoirLamar County · 8.4 mi · Higher grade (D → C)
- CUpper Pat Mayse ReservoirLamar County · 8.5 mi · Higher grade (D → C)
- CCooper LakeDelta County · 26.9 mi · Higher grade (D → C)
- CCooper Lake SiteHopkins County · 27.5 mi · Higher grade (D → C)
- DBig Creek LakeDelta County · 23 mi · Higher overall water quality score
Nearby Lakes in Lamar County
Explore Lake Crook Mid Lake across LakeGrade
More Texas Lake Rankings
Other Grade D Lakes in Texas
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: 2025-09-10
Monitoring stations: 1