Jefferson County Lake Quality
Arkansas, 1 lakes, average grade F (Very Poor)
Jefferson County has 1 graded 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. The county average is F — the most-stressed bracket in our rubric. Most monitored lakes here show persistent nutrient loading and algal pressure.
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 Pine Bluff Diagonally From North And East Levees (F); the most-stressed is Lake Pine Bluff Diagonally From North And East Levees (F).
Quick Answers for Jefferson County
Planning a trip? Check special fishing regulations for Lake Pine Bluff Diagonally From North And East Levees — or check the official Arkansas fishing regulations.
All Lakes in Jefferson County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Lake Pine Bluff Diagonally From North And East Levees | F | - | 145 µg/L |
Other Counties in Arkansas
See how Jefferson County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
Where to stay near Jefferson County
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Source: EPA National Aquatic Resource Surveys, 2026.