Juanita Lake
Foster County, WisconsinHypereutrophic
Juanita Lake is a highly nutrient-loaded hypereutrophic lake in Foster County, ND. Water quality is graded F based on 2 sampling years through 2021.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-10-04. 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 ft of visibility. Chlorophyll-a: 154.2 µg/L. Trophic State Index: 79.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 154.2 µg/L | F |
| Trophic State Index (TSI) | 79 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #1 of 1 lakes in Foster County
Cleaner Lakes Within 30 Miles
Juanita Lake holds Grade F. 5 nearby lakes hold higher grades.
- CRed Willow LakeGriggs County · 17.5 mi · Two grade letters higher (F → C)
- DEast Stump LakeNelson County · 27.1 mi · Higher grade (F → D)
- DWest Stump LakeNelson County · 27.6 mi · Higher grade (F → D)
- DWarsing Dam LakeEddy County · 26.4 mi · Higher grade (F → D)
- FEastern Stump LakeNelson County · 27.4 mi · Higher overall water quality score
Nearby Lakes in Foster County
More Wisconsin Lake Rankings
Other Grade F Lakes in Wisconsin
Hypereutrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-10-04
Monitoring stations: 1