F
Seneca Lake
Noble County, WisconsinLimited DataEutrophic
Seneca Lake is a productive, nutrient-rich eutrophic lake in Noble County, OH. Water quality is graded F based on 1 sampling years through 2021.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-09-14. Grade methodology: LakeGrade methodology.
Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 1.7 ft of visibility. Trophic State Index: 70.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.7 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 70 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
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County Ranking
Ranked #1 of 1 lakes in Noble County
Nearby Lakes in Noble County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-09-14
Monitoring stations: 3