Dewitt Road-Cedar Grove Lake
Sheboygan County, WisconsinLimited DataEutrophic
On the scoring rubric Dewitt Road-Cedar Grove Lake grades a D: clarity readings still being added and 74 µg/L of phosphorus keep it in the lower bracket for Sheboygan County.
At a TSI of 66, Dewitt Road-Cedar Grove Lake reads as eutrophic — nutrient-rich enough that summer algal growth and reduced clarity are expected, not unusual. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. The lake's surface area is not consistently recorded across state datasets — physical context remains partial. Dewitt Road-Cedar Grove Lake ranks 6 of 6 in Sheboygan County — at the lower end of the locally monitored distribution.
Dewitt Road-Cedar Grove Lake has no invasive species recorded in Wisconsin state databases as of 2020, though prevention practices still apply at all access points. The state fisheries records do not list documented species for Dewitt Road-Cedar Grove Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2020-10-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 73.9 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 73.9 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #6 of 6 lakes in Sheboygan County
Cleaner Lakes Within 30 Miles
Dewitt Road-Cedar Grove Lake holds Grade D. 5 nearby lakes hold higher grades.
- ALittle Elkhart LakeSheboygan County · mi · Two grade letters higher (D → A)
- BLake EllenSheboygan County · mi · Two grade letters higher (D → B)
- CRandom LakeSheboygan County · mi · Higher grade (D → C)
- CSandhill LakeOzaukee County · mi · Higher grade (D → C)
- CCty E PondOzaukee County · mi · Higher grade (D → C)
Nearby Lakes in Sheboygan County
More Wisconsin Lake Rankings
State Parks Near Dewitt Road-Cedar Grove Lake
Other Grade D 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: 2020-10-10
Monitoring stations: 1