Swamp Lake
Oneida County, Wisconsin293 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Swamp Lake. Here is what has been measured.
- 8 ft max depth
- Public access
- Limited data
Swamp Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.5 ft visibility. Maximum depth: 8 ft. Surface area: 293 acres.
Wisconsin DNR rates Northern Pike as abundant on Swamp Lake. DNR survey details →
Swamp Lake is a 293-acre lake in Oneida County, Wisconsin with a maximum depth of 8 feet. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2021-05-01. Methodology: how these readings are compared.
What Swamp Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing4 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Swamp 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 Swamp Lake
These are the measurements Wisconsin DNR publishes for Swamp Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 3.5 ft. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.5ft | 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. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Swamp Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Northern Pike as abundant on Swamp Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Swamp Lake’s water-quality measurements separately. 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 2021).
Fish Species (DNR-rated)
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for Swamp Lake covering fish populations, stocking, water quality, and management. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2025Swamp Lake spring shocking survey, 2025Spring Shocking Survey · WI DNR · 2025 (PDF)
Lake Details
Max depth
8 ft
Surface area
293 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
7 sq mi
HydroLAKES / HydroSHEDS
Shoreline
2.9 mi
HydroLAKES / HydroSHEDS
Elevation
1,476 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Swamp 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 Swamp Lake
Compare lakeside cabins, hotels, and vacation rentals near Swamp Lake in Oneida County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Swamp Lake
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Follow Swamp Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Swamp Lake
Nearby Lakes in Oneida County
Frequently asked questions about Swamp Lake
Where is Swamp Lake?
- Swamp 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 Swamp Lake?
- Swamp Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.5 ft visibility. Maximum depth: 8 ft. Surface area: 293 acres.
Is Swamp Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Swamp Lake?
- Swamp Lake has a maximum depth of 8 feet. The lake covers 293 acres.
What fish are in Swamp Lake?
- Fish species found in Swamp Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Swamp Lake is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at Swamp Lake?
- Wisconsin DNR rates Northern Pike as abundant on Swamp Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Swamp Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Swamp Lake?
- Swamp Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Swamp Lake. Public access is listed as yes.
Can I fish at Swamp Lake?
- Swamp 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 Swamp Lake across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX4 samples · 2020–2021
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