Blueberry Lake
Sawyer County, Wisconsin292 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Blueberry Lake. Here is what has been measured.
- Oligotrophic
- 29 ft max depth
- Public access
Blueberry Lake in Sawyer County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 14.8 ft visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Maximum depth: 29 ft. Surface area: 292 acres.
Wisconsin DNR rates Largemouth Bass as abundant on Blueberry Lake. DNR survey details →
Blueberry Lake is a 292-acre cold, clear oligotrophic lake in Sawyer County, Wisconsin with a maximum depth of 29 feet. Phosphorus level is declining over recent sampling years. The lake supports 5 documented fish species including Panfish, Largemouth Bass, and Smallmouth Bass. Public access is available with 1 public boat landing. Compared to the 44 other monitored lakes in Sawyer County, Blueberry Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-07-02. Methodology: how these readings are compared.
Blueberry Lake covers about 290 acres in Sawyer County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Blueberry Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Blueberry Lake is good for
From access and monitoring records, not editorial picks.
- Clear water14.8 ft of visibility
- Boat launch1 documented ramp
- Fishing5 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 Blueberry 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 Blueberry Lake
These are the measurements Wisconsin DNR publishes for Blueberry 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 14.8 ft. Phosphorus 17 µg/L. Chlorophyll-a 1.6 µg/L. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 14.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 17µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 1.6µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 40 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Blueberry Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Largemouth Bass as abundant on Blueberry Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Blueberry Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is stable. 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 1993. 11 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
29 ft
Surface area
292 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
8 sq mi
HydroLAKES / HydroSHEDS
Shoreline
3.4 mi
HydroLAKES / HydroSHEDS
Elevation
1,312 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Blueberry 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 Blueberry Lake
Compare lakeside cabins, hotels, and vacation rentals near Blueberry Lake in Sawyer 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 Blueberry 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 Blueberry Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Blueberry 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: Stable
Based on 7 years of monitoring (2020–2026).
Water clarity
Stable7 years
Phosphorus
Worsening+0.8 µg/L/yr5 years
Chlorophyll-a
Improving-0.29 µg/L/yr5 years
Nearby Lakes in Sawyer County
Frequently asked questions about Blueberry Lake
Where is Blueberry Lake?
- Blueberry Lake is a lake in Sawyer County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Blueberry Lake?
- Blueberry Lake in Sawyer County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 14.8 ft visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Maximum depth: 29 ft. Surface area: 292 acres.
Is Blueberry Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Blueberry Lake?
- Blueberry Lake has a maximum depth of 29 feet. The lake covers 292 acres.
What fish are in Blueberry Lake?
- Fish species found in Blueberry Lake include Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. Blueberry Lake is located in Sawyer County, Wisconsin.
What did the DNR fisheries survey find at Blueberry Lake?
- Wisconsin DNR rates Largemouth Bass as abundant on Blueberry Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Blueberry Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Blueberry Lake?
- Blueberry Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Blueberry Lake. Public access is listed as yes.
Can I fish at Blueberry Lake?
- Blueberry 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 Blueberry Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Sawyer County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Hayward Lakes area
Where to stay at Wisconsin's top lakes, each with its readings
Lakes in the Chippewa River Watershed, ranked by water quality
Wisconsin's cleanest lakes, ranked on agency measurements
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Oligotrophic Lakes in Wisconsin
Where this data comes from
108 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Lac Courte Oreilles (Tribal)
LCOWIS_WQX74 samples · 2020–2024 - Wisconsin Department of Natural Resources
WIDNR_WQX34 samples · 2022–2026
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 4500 P F ~ Phosphorus in Water by Colorimetry Automated Ascorbic Acid Method
- 2320 B ~ Alkalinity by Gran Titration
- 4500 P E ~ Phosphorus by Ascorbic Acid
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (2)
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