Greene County Lake Quality
Indiana, 1 lakes, average grade B (Good)
Greene 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. With an average grade of B, Greene County sits comfortably above the Indiana median.
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 a leading lake (—); the most-stressed is a stressed lake (—).
Quick Answers for Greene County
All Lakes in Greene County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|
Other Counties in Indiana
See how Greene County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 15 states.
Where to stay near Greene County
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Source: EPA National Aquatic Resource Surveys, 2026.