East Devils Lake
Ramsey County, WisconsinEutrophic
East Devils Lake is a productive, nutrient-rich eutrophic lake in Ramsey County, ND. Water quality is graded C based on 2 sampling years through 2025. Compared to the 7 other monitored lakes in Ramsey County, East Devils Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2025-10-09. Grade methodology: LakeGrade methodology.
Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 6.6 ft. Chlorophyll-a: 16.2 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.6 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 16.2 µg/L | C |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #2 of 8 lakes in Ramsey County
Nearby Lakes in Ramsey County
More Wisconsin Lake Rankings
Other Grade C 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: 2025-10-09
Monitoring stations: 1