Hocking County Lake Quality
Ohio, 1 lakes, average grade D (Poor)
Hocking 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-wide average grade is D — water quality issues are persistent across most of the monitored basins. 0 lakes fall into the F bracket outright.
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 Logan (D); the most-stressed is Lake Logan (D).
Quick Answers for Hocking County
Planning a trip? Check special fishing regulations for Lake Logan — or check the official Ohio fishing regulations.
All Lakes in Hocking County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Lake Logan | D | - | 45.8 µg/L |
Other Counties in Ohio
See how Hocking County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 36 states and 2 Canadian provinces.
Where to stay near Hocking County
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Source: EPA National Aquatic Resource Surveys, 2026.