Lost Lake
Marshall County, WisconsinLimited DataEutrophic
Lost Lake is a productive, nutrient-rich eutrophic lake in Marshall County, IN. Water quality is graded D based on 1 sampling years through 2022. Compared to the 1 other monitored lakes in Marshall County, Lost Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-07-10. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 4.9 ft. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.9 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #2 of 2 lakes in Marshall County
Cleaner Lakes Within 30 Miles
Lost Lake holds Grade D. 3 nearby lakes hold higher grades.
- BWti-06 LakeStarke County · 4.1 mi · Two grade letters higher (D → B)
- CUmk-05 LakeMarshall County · 7.5 mi · Higher grade (D → C)
- CWti-05 LakeFulton County · 15.9 mi · Higher grade (D → C)
Nearby Lakes in Marshall County
More Wisconsin Lake Rankings
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: 2022-07-10
Monitoring stations: 1