Falk Lake
Burnett County, Wisconsin76 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Falk Lake. Here is what has been measured.
- 2 aquatic invasives
- 30 ft max depth
- Public access
- Limited data
Falk Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10 ft visibility. Maximum depth: 30 ft. Surface area: 76 acres.
Wisconsin DNR rates Largemouth Bass as abundant on Falk Lake. DNR survey details →
Falk Lake is a 76-acre lake in Burnett County, Wisconsin with a maximum depth of 30 feet. Overall water quality is improving over recent sampling years. 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 2025-10-04. Methodology: how these readings are compared.
What Falk Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10 ft of visibility
- Boat launch1 documented ramp
- Fishing4 species recorded
- Deep water30 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Falk 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 Falk Lake
These are the measurements Wisconsin DNR publishes for Falk 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. TSI 44.
| 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 | 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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Falk Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Falk Lake typically sits around 69°F at the surface in October. Summer average is about 75°F. Usually warmest in Aug (about 77°F) and coldest in Oct (about 69°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (69°F) to its warmest (77°F).
Typical surface water temperature by month, from 14 field readings (2025–2025) via the EPA Water Quality Portal. See the full Falk Lake water temperature breakdown →
Wisconsin DNR rates Largemouth Bass as abundant on Falk Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Falk Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is improving. 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. Monitored by volunteers since 1992. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
30 ft
Surface area
76 acres
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Falk 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 Falk Lake
Compare lakeside cabins, hotels, and vacation rentals near Falk Lake in Burnett 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 Falk Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Falk 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: Improving
Based on 7 years of monitoring (2020–2026).
Water clarity
Stable6 years
Phosphorus
Improving-0.32 µg/L/yr7 years
Nearby Lakes in Burnett County
Frequently asked questions about Falk Lake
Where is Falk Lake?
- Falk Lake is a lake in Burnett County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Falk Lake?
- Falk Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10 ft visibility. Maximum depth: 30 ft. Surface area: 76 acres.
Is Falk Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Falk Lake?
- Falk Lake typically sits around 69°F at the surface in October, from 14 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.
How deep is Falk Lake?
- Falk Lake has a maximum depth of 30 feet. The lake covers 76 acres.
What fish are in Falk Lake?
- Fish species found in Falk Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Falk Lake is located in Burnett County, Wisconsin.
What did the DNR fisheries survey find at Falk Lake?
- Wisconsin DNR rates Largemouth Bass as abundant on Falk Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Falk Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Falk Lake?
- Falk Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Falk Lake. Public access is listed as yes.
Can I fish at Falk Lake?
- Falk 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 Falk Lake across LakeQuality
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Where this data comes from
26 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_WQX26 samples · 2020–2025
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
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory