Blueberry Lake
Blueberry Lake in Sawyer County, Wisconsin has a water quality grade of A (Excellent). 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.
- Clarity
- 14.8 ft
- Max depth
- 29 ft
- Area
- 292 acres
- Type
- Oligotrophic
- Trend
- → Stable
- Public access
- Yes
Next lake in Sawyer County
Blueberry Lake is a 292-acre cold, clear oligotrophic lake in Sawyer County, Wisconsin with a maximum depth of 29 feet. Water quality is graded A based on 2 sampling years through 2026. 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 2 public boat landings. 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. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Good clarity, visible to about 14.8 ft. Phosphorus level: 17 µg/L. Chlorophyll-a: 1.6 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 14.8 ft | Not graded |
| Phosphorus | 17 µg/L | Good |
| Chlorophyll-a (Algae) | 1.6 µg/L | Good |
| Trophic State Index (TSI) | 40 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 29 ft |
| Surface Area | 292 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Blueberry LakePublic
- Rice LakeSemi-private
Fish Species
Click a species to see every graded 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.
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)
Water Quality Trend: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.275 m/yr | 7 |
| Phosphorus | ↓ Declining | +0.8 µg/L/yr | 5 |
| Chlorophyll-a | ↑ Improving | -0.29 µg/L/yr | 5 |
County Ranking
Ranked #9 of 45 lakes in Sawyer County
Nearby Lakes in Sawyer County
Frequently asked questions about Blueberry Lake
What is the water quality grade for Blueberry Lake?
- Blueberry Lake in Sawyer County, Wisconsin has a water quality grade of A (Excellent). 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?
- Excellent for swimming, crystal clear water with minimal algae. Blueberry Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 1.6 µg/L. Always check local health department advisories before swimming.
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.
Are there boat ramps on Blueberry Lake?
- Blueberry Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Blueberry Lake, Rice Lake. Public access is listed as yes.
Explore Blueberry Lake across LakeGrade
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Fish species and best lakes in Sawyer County
Species activity outlook by water temperature and season
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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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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