Tuma Lake
Manitowoc County, Wisconsin14 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Tuma Lake. Here is what has been measured.
- Mesotrophic
- 36 ft max depth
- Public access
Tuma Lake in Manitowoc County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10 ft visibility. Phosphorus: 19 µg/L. Maximum depth: 36 ft. Surface area: 14 acres.
Wisconsin DNR lists Panfish as common on Tuma Lake. DNR survey details →
Tuma Lake is a 14-acre mesotrophic lake in Manitowoc County, Wisconsin with a maximum depth of 36 feet. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 15 other monitored lakes in Manitowoc County, Tuma Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-08-23. Methodology: how these readings are compared.
What Tuma Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10 ft of visibility
- Boat launch1 documented ramp
- Fishing3 species recorded
- Deep water36 ft surveyed max depth
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Tuma Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Tuma Lake
These are the measurements Wisconsin DNR publishes for Tuma Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 10 ft. Phosphorus 19 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Tuma Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as common on Tuma Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Tuma Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
36 ft
Surface area
14 acres
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Tuma LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Tuma Lake
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Top-rated places to stay near Tuma Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Tuma Lake
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: Worsening
Based on 7 years of monitoring (2020–2026).
Water clarity
Worsening6 years
Phosphorus
Worsening+12.56 µg/L/yr7 years
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Tuma Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Maribel Wastewater Treatment FacilityMaribel · 3.2 mi away · NPDES WI0061051Recent violation
- Cedar Springs DairyGibson, Town Of · 3.3 mi away · NPDES WI0066087
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Manitowoc County
Frequently asked questions about Tuma Lake
Where is Tuma Lake?
- Tuma Lake is a lake in Manitowoc County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Tuma Lake?
- Tuma Lake in Manitowoc County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10 ft visibility. Phosphorus: 19 µg/L. Maximum depth: 36 ft. Surface area: 14 acres.
Is Tuma Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Tuma Lake?
- Tuma Lake has a maximum depth of 36 feet. The lake covers 14 acres.
What fish are in Tuma Lake?
- Fish species found in Tuma Lake include Panfish, Largemouth Bass, Northern Pike. Tuma Lake is located in Manitowoc County, Wisconsin.
What did the DNR fisheries survey find at Tuma Lake?
- Wisconsin DNR lists Panfish as common on Tuma Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Tuma Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Tuma Lake?
- Tuma Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Tuma Lake. Public access is listed as yes.
Can I fish at Tuma Lake?
- Tuma Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore Tuma Lake across LakeQuality
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Where this data comes from
43 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX43 samples · 2020–2025
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory