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LakeQuality
A

Shoe Lake

Manitowoc County, WisconsinMesotrophic

Shoe Lake earns an A — water clarity, phosphorus, and chlorophyll-a all rate among the best monitored waters in Manitowoc County. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

Mesotrophic conditions dominate at Shoe Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. A maximum depth of 34 ft puts Shoe Lake in the middle of Wisconsin's depth distribution. At 10 acres, Shoe Lake sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Shoe Lake ranks 8 of 18 in Manitowoc County — solidly in the upper half of the local distribution.

Eurasian watermilfoil has been documented at Shoe Lake, requiring shoreline management to keep dense mats from crowding native vegetation. Bass fishing is part of the appeal: the species list runs to 4, anchored by largemouth and/or smallmouth bass. A documented public access point at Shoe Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. 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 2025-09-08. Grade methodology: LakeGrade methodology.

Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Crystal clear, you can see 23 ft down. Phosphorus level: 26.6 µg/L. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)23 ftA
Phosphorus26.6 µg/LB
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth34 ft
Surface Area10 acres
Public AccessYes

Fish Species

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Shoe Lake (14-day solunar calendar)

→ Is it safe to eat fish from Shoe Lake? (mercury & PFAS guide)

Shoe Lake fishing regulations (limits, seasons, special rules)

Invasive Species

Eurasian Water-MilfoilHybrid Eurasian / Northern Water-Milfoil

Water Quality Trend: Improving

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.357 m/yr4
Phosphorus Improving-1.29 µg/L/yr5

Recreation & Access

1
Boat Landings
Yes
Public Access

Location

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County Ranking

Ranked #8 of 18 lakes in Manitowoc County

Nearby Lakes in Manitowoc County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2003. 1 station on file (most recent sample 2025).

DNR Assessment
Good · Small lake
Trophic State Index 49 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Abundant)Trout(Common)Largemouth Bass(Present)Northern Pike(Present)

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Shoe Lake covering fish populations, stocking, water quality, and management. 1 report on file.

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: 2025-09-08

Monitoring stations: 1