Dearborn County Lake Quality
Indiana, 2 lakes, measured by IDEM
Dearborn County has 2 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. The 2 monitored lakes in Dearborn County carry whatever clarity, phosphorus, and chlorophyll-a readings IDEM has published, shown as reported.
Many of the county's lakes are deep glacial basins, over 50 feet at their deepest point, which gives them thermal stratification and a buffer against summer warming.
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Quick Answers for Dearborn County
Planning a trip? Check special fishing regulations for Hidden Valley Lake — or check the official Indiana fishing regulations.
All Lakes in Dearborn County
2 lakes · 0 ranked on readings, 2 without enough sampling0 lakes ranked on readings · 2 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Max Depth | Access |
|---|---|---|---|---|---|---|---|
| Hidden Valley LakeDearborn | No recent samples | No recent samples | No recent samples | No recent samples | 123 ft | Not recorded | |
| Old Channel LakeDearborn | No recent samples | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
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Source: the Indiana Department of Environmental Management. See data sources.