Townline Lake
Oneida County, Wisconsin61 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Townline Lake. Here is what has been measured.
- 25 ft max depth
- Public access
- Limited data
Townline Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8 ft visibility. Maximum depth: 25 ft. Surface area: 61 acres.
Wisconsin DNR rates Panfish and Largemouth Bass as abundant on Townline Lake. DNR survey details →
Townline Lake is a 61-acre lake in Oneida County, Wisconsin with a maximum depth of 25 feet. Overall water quality is declining over recent sampling years. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-06-16. Methodology: how these readings are compared.
What Townline Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Townline 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 Townline Lake
These are the measurements Wisconsin DNR publishes for Townline Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8 ft. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Townline Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Panfish and Largemouth Bass as abundant on Townline Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Townline 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 2022).
Fish Species (DNR-rated)
Lake Details
Max depth
25 ft
Surface area
61 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
0 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.3 mi
HydroLAKES / HydroSHEDS
Elevation
1,581 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Townline Lake ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Townline Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Townline 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
Worsening7 years
Nearby Lakes in Oneida County
Frequently asked questions about Townline Lake
Where is Townline Lake?
- Townline Lake is a lake in Oneida County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Townline Lake?
- Townline Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8 ft visibility. Maximum depth: 25 ft. Surface area: 61 acres.
Is Townline Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Townline Lake?
- Townline Lake has a maximum depth of 25 feet. The lake covers 61 acres.
What fish are in Townline Lake?
- Fish species found in Townline Lake include Panfish, Largemouth Bass. Townline Lake is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at Townline Lake?
- Wisconsin DNR rates Panfish and Largemouth Bass as abundant on Townline Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Townline 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 Townline Lake?
- Townline Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Townline Lake Park. Public access is listed as yes.
Can I fish at Townline Lake?
- Townline 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 Townline Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX2 samples · 2021–2022
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory