
Defiance County Lake Quality
Ohio, 4 lakes, measured by Ohio EPA
Defiance County holds 4 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. 2 of those lakes carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. The county's readings sit in the middle of the Ohio range, with one or two lakes pulling the average up or down depending on year.
The county's lakes lean shallow, which makes the readings sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the readings is Tiffin R Lake.
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Quick Answers for Defiance County
Planning a trip? Check special fishing regulations for Tiffin R Lake — or check the official Ohio fishing regulations.
All Lakes in Defiance County
4 lakes · 2 ranked on readings, 2 without enough sampling2 lakes ranked on readings · 2 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Tiffin R LakeDefiance | No recent samples | 103.3 µg/L | 4.8 µg/L | No recent samples | Not recorded |
| 2 | Maumee R Upst Independence Dam LakeDefiance | No recent samples | 197.5 µg/L | 51.3 µg/L | No recent samples | Not recorded |
| Camp Lakota Boy Scout LakeDefiance | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Oxbow LakeDefiance | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public |
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 Ohio Environmental Protection Agency. See data sources.