Moshawquit Lake
Menominee County, WisconsinMesotrophic
Moshawquit Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Clarity is the limiting factor — phosphorus is reasonable but suspended particles or algal cells keep water transparency below Wisconsin norms.
The lake sits in the mesotrophic zone — the band where most well-managed Wisconsin lakes fall. Moshawquit Lake reaches 30 ft at its deepest point — typical for Wisconsin mid-sized lakes, with seasonal stratification but limited cold-water refuge. At 301 acres, Moshawquit Lake fits the Wisconsin median for monitored lakes, with partial shoreline records. Within Menominee County's 5 graded lakes, Moshawquit Lake ranks 3 — below the local median, though not at the bottom.
Zebra mussel presence at Moshawquit Lake means the lake's clarity numbers carry an asterisk — filtered water is not the same as nutrient-poor water. Bass fishing is part of the appeal: the species list runs to 4, anchored by largemouth and/or smallmouth bass. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-10-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 9 ft. Phosphorus level: 15.1 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9 ft | C |
| Phosphorus | 15.1 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 30 ft |
| Surface Area | 301 acres |
Fish Species
Click a species to see every graded lake where it is documented.
→ Best fishing times for Moshawquit Lake (14-day solunar calendar)
→ Is it safe to eat fish from Moshawquit Lake? (mercury & PFAS guide)
→ Moshawquit Lake fishing regulations (limits, seasons, special rules)
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.339 m/yr | 7 |
| Phosphorus | → Stable | -0.25 µg/L/yr | 6 |
Location
County Ranking
Ranked #3 of 5 lakes in Menominee County
Cleaner Lakes Within 30 Miles
Moshawquit Lake holds Grade B. 3 nearby lakes hold higher grades.
- ALa Motte LakeMenominee County · mi · Higher grade (B → A)
- ALegend LakeMenominee County · mi · Higher grade (B → A)
- AKorth LakeShawano County · mi · Higher grade (B → A)
Nearby Lakes in Menominee County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2014. 5 stations on file (most recent sample 2026).
Fish Species (DNR-rated)
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Fish and recreation data from Wisconsin DNR Lakes
Most recent sample: 2025-10-17
Monitoring stations: 1
Where to stay near Moshawquit Lake
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