Pleasant Lake
Washtenaw County, WisconsinLimited DataEutrophic
Pleasant Lake is a productive, nutrient-rich eutrophic lake in Washtenaw County, MI. Water quality is graded D based on 1 sampling years through 2022. The lake supports 1 documented fish species including Largemouth bass. Compared to the 16 other monitored lakes in Washtenaw County, Pleasant Lake ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-12. 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 6.3 ft. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.3 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Pleasant Lake (14-day solunar calendar)
→ Is it safe to eat fish from Pleasant Lake? (mercury & PFAS guide)
→ Pleasant Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #14 of 17 lakes in Washtenaw County
Cleaner Lakes Within 30 Miles
Pleasant Lake holds Grade D. 3 nearby lakes hold higher grades.
- AClear Lake East Basin; Waterloo TownshipJackson County · 13.2 mi · Two grade letters higher (D → A)
- BSugarloaf Lake; Lyndon TwpWashtenaw County · 12.7 mi · Two grade letters higher (D → B)
- CPleasant Lake Northwest Basin; Freedom TownshipWashtenaw County · 0.5 mi · Higher grade (D → C)
Nearby Lakes in Washtenaw 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: 2022-09-12
Monitoring stations: 1