Hopkins County Lake Quality
Texas, 5 lakes, average grade D (Nutrient-rich)
Hopkins County has 5 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. 1 of those lake carry an A–F grade. The county-level summary describes that subset, not every water body listed. On average, Hopkins County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Cooper Lake Site (D); the most-stressed is Cooper Lake Site (D).
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Quick Answers for Hopkins County
Planning a trip? Check special fishing regulations for Cooper Lake Site — or check the official Texas fishing regulations.
All Lakes in Hopkins County
5 lakes · 1 graded, 4 not rated1 graded lake · 4 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | DCooper Lake SiteHopkins | D | 2.7 ft | 50 µg/L | 28.7 µg/L | No recent samples | ✓ Public |
| NRCrush LakeHopkins | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake ColemanHopkins | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake Sulphur SpringsHopkins | NR | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| NRPatterson LakeHopkins | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
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Other Counties in Texas
See how Hopkins County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..
Source: EPA National Aquatic Resource Surveys, 2026.