Cedar Lake
Randolph County, WisconsinEutrophic
Cedar Lake is a productive, nutrient-rich eutrophic lake in Randolph County, MO. Water quality is graded D based on 3 sampling years through 2024. Compared to the 6 other monitored lakes in Randolph County, Cedar Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-16. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 2.7 ft of visibility. Phosphorus level: 51.8 µg/L. Chlorophyll-a: 12.4 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.7 ft | F |
| Phosphorus | 51.8 µg/L | C |
| Chlorophyll-a (Algae) | 12.4 µg/L | C |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #4 of 7 lakes in Randolph County
Cleaner Lakes Within 30 Miles
Cedar Lake holds Grade D. 3 nearby lakes hold higher grades.
- COld ReservoirRandolph County · 2.7 mi · Higher grade (D → C)
- CRothwell LakeRandolph County · 2.7 mi · Higher grade (D → C)
- CThomas Hill Lake @ Hwy TMacon County · 19.3 mi · Higher grade (D → C)
Nearby Lakes in Randolph County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
St. Louis city County · Clarity: 2.3 ft
Shelby County · Clarity: 3.2 ft
Macon County · Clarity: 1.8 ft
Harrison County · Clarity: 1.7 ft
Stone County · Clarity: 2.3 ft
Knox County · Clarity: 2.1 ft
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: 2024-09-16
Monitoring stations: 1