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Tuma Lake News
MCLA, with volunteers, continues to conduct annual water quality testing of our county lakes—if there is a volunteer monitor on the lake.
Lake Volunteers Needed
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Click on the maps to enlarge. Bathymetric Map based on Wisconsin DNR data. Watershed map courtesy of Manitowoc County Soil and Water Conservation Department. New! Zoom in even closer with this new interactive watershed mapping tool.
MCLA Lake Director: Dan Dufek
Directions: Harpt Lake Road, Town of Gibson. Take Interstate 43 North from Manitowoc to STH 147, East on STH 147 approximately 3 miles to Harpt Lake Road. North on Harpt Lake Road 1 mile to Tuma Lake Road. West on Tuma Lake road .25 miles to landing.
About Tuma Lake
Lake Health
- 2023 Condition: Good/Mesotrophic read more
Recreation
- Features: The public access has parking space for 4 car/trailer units. There is a boat ramp. A new pier and reconstruction of the boat launch was completed in 2018. No lighting, no restrooms, no potable water.
- Boat Ramp: Gravel ramp, 9% slope, 3 ft launch depth, boarding dock.
- Launch Fee: The daily fee is $5 and the seasonal fee is $20.
- ADA Accessibility Features: None. The transition to the portable dock is not ADA accessible.
- Restrictions: Motor boats are permitted. Entire lake is slow no wake. Wisconsin boaters handbook
- Manitowoc County Map and Photos:
https://manitowoccountywi.gov/departments/parks/lake-access/tuma-lake/
Statistics
- Surface Area: 14 acres
- Depth: Max 36′, Mean 11′
- Bottom: 0% sand, 0% gravel, 0% rock, 99% muck
- Shorelength: .6 mi
- Type of Lake: Deep seepage (no inlet or outlet), stratified. What does this mean?
- Lat/Long: 44.28486540, -87.73353380
Aquatic Invasive Species Threats
- Verified: Eurasian Water-Milfoil (1993), Banded Mystery Snail (2014).
Fishing
- Fish present: Bluegill and perch common. Largemouth bass and northern pike present.
Regulations
- Open All Year
- Panfish: Daily bag limit 25. No min length.
- Catfish: Daily bag limit 10. No min length.
- Open May 4, 2024 to March 2, 2025:
- Largemouth/smallmouth bass: 14″ Limit 5.
- Northern Pike: No length limit. Limit 5.
- Walleye: 15″ Limit 3.
- Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler.
- View Tuma Lake fishing regulations on DNR website and familiarize yourself with Wisconsin fishing: WDNR Hook & Line Guide
- Consumption Advisory: General Manitowoc County/Mercury. Click here.
DNR Surveys
Restocking
| DNR Fish Stocking Data | |||||
|---|---|---|---|---|---|
| Year | Species | Strain | Age Class | Number Stocked | Average Length (inches) |
| 2017* | YELLOW PERCH | UNSPECIFIED | SMALL FINGERLING | 633 | 1.3 |
| 2014* | BLUEGILL | UNSPECIFIED | LARGE FINGERLING | 1,400 | 1 |
| 2014 | LARGEMOUTH BASS | UNSPECIFIED | LARGE FINGERLING | 340 | 3.2 |
| 2013 | NORTHERN PIKE | MUD LAKE | SMALL FINGERLING | 1,000 | 2.91 |
| 2013* | BLUEGILL | UNSPECIFIED | LARGE FINGERLING | 1,200 | 1.06 |
| *Not a DNR project.View more history | |||||
Would you like to volunteer to collect data for this lake?
Please contact MCLA.
Condition: GOOD (2023) Source
New! Explore lake data with the DNR’s WEx Water Explorer Tool
(takes a minute to load)
- 2023 Trophic State Index (TSI): 42/Mesotrophic. Based on Chlorophyll.
What does this mean?
Mesotrophic lakes contain healthy, diverse populations of aquatic plants, algae, and fish. Occasional algae blooms may occur. Mesotrophic lakes are characterized by moderately clear water, but have an increasing chance of low dissolved oxygen in deep water during the summer. - Secchi Disk: The most recent summer reading, taken in August 2023, was 11 ft. The water was reported as BLUE and BEAUTIFUL.
- 5-year Average Summer Chemistry:
Summer Chlorophyll 4.3 µg/l.
Summer Total Phosphorus 19 µg/l.
TSI: 45 based on Chlorophyll readings.
- 10-year Average late summer trophic status compared to other deep seepage lakes. Averages (red) from the last 10 years compared to other lakes (gray).
