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LakeQuality

Little Blake Lake

Polk County, Wisconsin78 acresView mapDirections

Wisconsin DNR publishes the water-quality measurements for Little Blake Lake. Here is what has been measured.

Clarity
3.5 ft
Murkier than most
Secchi · sampled 2025
Phosphorus
43.8 µg/L
More phosphorus than most
Measured by Wisconsin DNR
Max depth
14 ft
Bathymetric survey
Area
78 acres
Surface area
Type
Eutrophic
Trophic class
  • Eutrophic
  • Curly-Leaf Pondweed
  • 14 ft max depth
  • Public access

Little Blake Lake in Polk County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.5 ft visibility. Phosphorus: 43.8 µg/L. Maximum depth: 14 ft. Surface area: 78 acres.

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Little Blake Lake is a 78-acre productive, nutrient-rich eutrophic lake in Polk County, Wisconsin with a maximum depth of 14 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 54 other monitored lakes in Polk County, Little Blake Lake ranks #51 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-08. Methodology: how these readings are compared.

Little Blake Lake covers about 78 acres in Polk County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Little Blake Lake, and Booking.com and Expedia search hotels near the lake for your dates.

What Little Blake Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp

Swimming conditions

Readings only

Elevated nutrients

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 Little Blake 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.

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Water quality measurements for Little Blake Lake

These are the measurements Wisconsin DNR publishes for Little Blake 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. Phosphorus 43.8 µg/L. TSI 59.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)3.5ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus43.8µg/LPoor
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.59Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Little Blake Lake

Answers come straight from the public measurements and survey records on this page.

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2025).

DNR Assessment
Good · Shallow Lowland lake
Trophic State Index 58 (eutrophic) · 5-year average

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Little Blake 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).

Lake Details

Max depth

14 ft

Surface area

78 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

31 sq mi

HydroLAKES / HydroSHEDS

Shoreline

1.7 mi

HydroLAKES / HydroSHEDS

Elevation

1,142 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Little Blake 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 Little Blake Lake

Compare lakeside cabins, hotels, and vacation rentals near Little Blake Lake in Polk 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Little Blake Lake are listed below.

Top-rated places to stay near Little Blake Lake

Prices for Oct 16–18, 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 Little Blake Lake’s readings

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Fishing Little Blake 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.

Banded Mystery SnailChinese Mystery SnailCurly-Leaf Pondweed

3 seasons of samples on record (2022–2025). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Improving

    3 years

  • Phosphorus

    Improving

    -11.5 µg/L/yr3 years

Nearby Lakes in Polk County

Frequently asked questions about Little Blake Lake

Where is Little Blake Lake?

Little Blake Lake is a lake in Polk County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

What is the water quality of Little Blake Lake?

Little Blake Lake in Polk County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.5 ft visibility. Phosphorus: 43.8 µg/L. Maximum depth: 14 ft. Surface area: 78 acres.

Measurements on this page ↑

Is Little Blake Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Little Blake Lake?

Little Blake Lake has a maximum depth of 14 feet. The lake covers 78 acres.

Are there boat ramps on Little Blake Lake?

Little Blake Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Blake Lake. Public access is listed as yes.

Access on this page ↑

Can I fish at Little Blake Lake?

Little Blake 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.

Access on this page ↑

Where this data comes from

20 measurements from 2 monitoring stations, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX20 samples · 2022–2025

Analytical methods

  • Phosphorus by Colorimetry
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