Crawford County Lake Quality
Arkansas, 5 lakes, average grade C (Fair)
Crawford 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. 2 of those lakes carry an A–F grade. The county-level summary describes that subset, not every water body listed. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.
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 Lake Fort Smith (C); the most-stressed is Lee Creek Lake (D).
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Quick Answers for Crawford County
Planning a trip? Check special fishing regulations for Lake Fort Smith — or check the official Arkansas fishing regulations.
All Lakes in Crawford County
5 lakes · 2 graded, 3 not rated2 graded lakes · 3 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | CLake Fort SmithCrawford | C | 6.5 ft | 20 µg/L | 5.1 µg/L | No recent samples | Not recorded |
| 2 | DLee Creek LakeCrawford | D | No recent samples | 29.5 µg/L | 10 µg/L | No recent samples | Not recorded |
| NRHollis LakeCrawford | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRLake AlmaCrawford | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRT J House ReservoirCrawford | 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 Arkansas
See how Crawford 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.