Houston County Lake is a productive, nutrient-rich eutrophic lake in Houston County, Texas. Water quality is graded C based on 2 sampling years through 2026.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2026-01-21. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Very murky, less than 3 ft of visibility. Phosphorus level: 30 µg/L. Chlorophyll-a: 19.3 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | F |
| Phosphorus | 30 µg/L | C |
| Chlorophyll-a (Algae) | 19.3 µg/L | C |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Houston County Lake
Location
County Ranking
Ranked #1 of 1 lakes in Houston County
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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: 2026-01-21
Monitoring stations: 1