Cranberry Lake
Burnett County, Wisconsin66 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Cranberry Lake. Here is what has been measured.
- Mesotrophic
- 26 ft max depth
Cranberry Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8.8 ft visibility. Phosphorus: 14.1 µg/L. Maximum depth: 26 ft. Surface area: 66 acres.
Wisconsin DNR lists Largemouth Bass as common on Cranberry Lake. DNR survey details →
Cranberry Lake is a 66-acre mesotrophic lake in Burnett County, Wisconsin with a maximum depth of 26 feet. Overall water quality is improving over recent sampling years. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Compared to the 29 other monitored lakes in Burnett County, Cranberry Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-16. Methodology: how these readings are compared.
What Cranberry Lake is good for
From access and monitoring records, not editorial picks.
- Fishing4 species recorded
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 Cranberry 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 Cranberry Lake
These are the measurements Wisconsin DNR publishes for Cranberry 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 8.8 ft. Phosphorus 14.1 µg/L. TSI 44.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 14.1µg/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. | 44 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Cranberry Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Cranberry Lake typically sits around 65°F at the surface in September. Summer average is about 74°F. Usually warmest in Jul (about 79°F) and coldest in Sep (about 65°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (65°F) to its warmest (79°F).
Typical surface water temperature by month, from 17 field readings (2025–2025) via the EPA Water Quality Portal. See the full Cranberry Lake water temperature breakdown →
Wisconsin DNR lists Largemouth Bass as common on Cranberry Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Cranberry 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 1995. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
26 ft
Surface area
66 acres
Stays via Stay22
Stays near Cranberry Lake
Compare lakeside cabins, hotels, and vacation rentals near Cranberry 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 Cranberry Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Follow Cranberry Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fish Species
Click a species to see every lake where it is documented.
Fishing Cranberry Lake
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 Cranberry Lake
Where is Cranberry Lake?
- Cranberry 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 Cranberry Lake?
- Cranberry Lake in Burnett County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 8.8 ft visibility. Phosphorus: 14.1 µg/L. Maximum depth: 26 ft. Surface area: 66 acres.
Is Cranberry 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 Cranberry Lake?
- Cranberry Lake typically sits around 65°F at the surface in September, from 17 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.
How deep is Cranberry Lake?
- Cranberry Lake has a maximum depth of 26 feet. The lake covers 66 acres.
What fish are in Cranberry Lake?
- Fish species found in Cranberry Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Cranberry Lake is located in Burnett County, Wisconsin.
What did the DNR fisheries survey find at Cranberry Lake?
- Wisconsin DNR lists Largemouth Bass as common on Cranberry Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Cranberry 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.
Explore Cranberry Lake across LakeQuality
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Burnett County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its readings
Lakes in the St. Croix Watershed, ranked by water quality
Wisconsin's cleanest lakes, ranked on agency measurements
More lakes in Wisconsin
Other Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Where this data comes from
58 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX58 samples · 2020–2026
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
Fish and recreation data from Wisconsin DNR Lakes