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Eaton Twin Lakes News
MCLA, with volunteers, continues to conduct annual water quality testing of our county lakes—if there is a volunteer monitor on the lake.
Click on the map to enlarge. Watershed map courtesy of Manitowoc County Soil and Water Conservation Department. New! Zoom in even closer with this new interactive watershed mapping tool.
About Twin Lakes
- Most recently reported conditions: Fair and Good (2015) read more
- Features: None; private lake.
- Restrictions: No motors. Read the Wisconsin handbook
- ADA Accessibility Features: None; private lake.
- Surface Area: 5 acres (north) & 6 acres (south)
- Depth: Max 24′ (north lake) and 21′ (south lake)
- Bottom: 5% sand, 20% gravel, 0% rock, 75% muck (north lake) and 10% sand, 5% gravel, 0% rock, 85% muck (south lake)
- Shorelength: unknown
- Type of Lake: Small seepage (no inlet or outlet). What does this mean?
- Lat/Long: 43.986470, -87.93096660 (north lake) and 43.983933, -87.93112870 (south lake)
Aquatic Invasive Species Threats
- None specifically reported.
- Fish present: Largemouth bass and panfish common.
- Open All Year
- Panfish: Daily bag limit 25. No min length.
- Catfish: Daily bag limit 10. No min length.
- Open May 1 – March 6:
- Largemouth/smallmouth bass: 14″ Limit 5.
- Northern Pike: 26″ Limit 2.
- Walleye: 15″ Limit 5.
- Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler.
- View Twin Lakes fishing regulations on DNR website and familiarize yourself with Wisconsin fishing: WDNR Hook & Line Guide
- Consumption Advisory: General Manitowoc County/Mercury. Click here.
Stocking and DNR Surveys
- None on file.
North Twin Lake: GOOD (based on 2015 data)
- Secchi Disk (2015): The average summer secchi disk reading was 11.5 feet. Southeast Georegion average in 2015 was 7.1 feet. Typically, the north lake’s summer water was reported as CLEAR and BLUE.
- Chemistry: Not available.
- Trophic State Index (TSI) (2015): 42/Mesotrophic. Mesotrophic lakes are characterized by moderately clear water, but have a increasing chance of low dissolved oxygen in deep water during the summer.
South Twin Lake: FAIR (based on 2015 data)
- Secchi Disk (2015): The average summer secchi disk reading was 5 ft. SE Georegion average in 2015 was 7.1 feet. Typically, the south lake’s summer water was MURKY and BROWN. This suggests that the secchi depth may have been mostly impacted by suspended sediments, tiny particles of soil or organic matter that are suspended in the water.
- Chemistry (2015): Not available.
- Trophic State Index (TSI) (2015): 54/Eutrophic. Based on secchi, not chlorophyl. This TSI usually suggests decreased clarity, fewer algal species, oxygen-depleted bottom waters during the summer, plant overgrowth evident, warm-water fisheries (pike, perch, bass, etc.) only. To calculate true TSI, chlorophyll should be measured. A limited number of grants are available to expand lake monitoring to this level if you are interested (contact your Region Coordinator for more info).