Lawrence County Lake Quality
Ohio, 1 lakes, average grade C (Fair)
Only 1 lakes in Lawrence County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. 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 Vesuvius (C); the most-stressed is Lake Vesuvius (C).
Quick Answers for Lawrence County
Planning a trip? Check special fishing regulations for Lake Vesuvius — or check the official Ohio fishing regulations.
All Lakes in Lawrence County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Lake Vesuvius | C | 8.2 ft | - |
Other Counties in Ohio
See how Lawrence County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 16 states.
Where to stay near Lawrence County
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Source: EPA National Aquatic Resource Surveys, 2026.