Comanche County Lake Quality
Oklahoma, 12 lakes — no lake here has enough monitoring data for a grade
Comanche County holds 12 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. No lake in Comanche County has enough sampling behind it for an A–F grade yet. The 12 monitored lakes below carry whatever clarity, phosphorus, and chlorophyll-a measurements exist.
Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed.
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Quick Answers for Comanche County
Planning a trip? Check special fishing regulations for Elmer Thomas Lake — or check the official Oklahoma fishing regulations.
All Lakes in Comanche County
12 lakes · 0 graded, 12 not rated0 graded lakes · 12 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| NRElmer Thomas LakeComanche | NR | 5.6 ft | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake EllsworthComanche | NR | 1.6 ft | No recent samples | No recent samples | No recent samples | ✓ Public | |
| NRLake LawtonkaComanche | NR | 2.4 ft | No recent samples | No recent samples | No recent samples | ✓ Public | |
| NRGrama LakeComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRQuanah Parker LakeComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake RushComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake Jed JohnsonComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRComanche LakeComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRFrench LakeComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLogan LakeComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake UnityComanche | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake GeorgeComanche | 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 Oklahoma
See how Comanche 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.