San Augustine County Lake Quality
Texas, 2 lakes, measured by TCEQ
San Augustine County holds 2 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. 1 of those lake carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. The county's readings sit in the middle of the Texas range, with one or two lakes pulling the average up or down depending on year.
The county's lakes lean shallow, which makes the readings sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest measured lake is Sam Rayburn Reservoir.
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Quick Answers for San Augustine County
Planning a trip? Check special fishing regulations for Sam Rayburn Reservoir — or check the official Texas fishing regulations.
All Lakes in San Augustine County
2 lakes · 1 ranked on readings, 1 without enough sampling1 lake ranked on readings · 1 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Sam Rayburn ReservoirSan Augustine | 3.9 ft | 27.5 µg/L | 18.6 µg/L | No recent samples | ✓ Public |
| City LakeSan Augustine | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
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Source: the Texas Commission on Environmental Quality. See data sources.