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Sawbill Lake

Cook County, Minnesota834 acresView mapDirections

Minnesota PCA publishes the water-quality measurements for Sawbill Lake. Here is what has been measured.

Clarity
6.6 ft
Typical for Minnesota
Secchi · sampled 2025
Max depth
45 ft
Bathymetric survey
Area
834 acres
Surface area
Shoreline
26.3 mi
Measured length
  • Impaired · Mercury
  • 45 ft max depth
  • Public access
  • Limited data

Sawbill Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 6.6 ft visibility. Maximum depth: 45 ft. Surface area: 833.89 acres.

Minnesota DNR's Standard Survey on September 9, 2013 caught 2.75 walleye per gill net at Sawbill Lake. Length samples in the latest survey that recorded them ran 7–24 inches. DNR survey details →

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Sawbill Lake is a 834-acre lake in Cook County, Minnesota with a maximum depth of 45 feet. The lake supports 8 documented fish species including burbot, cisco species, and northern pike. Public access is available.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-08-12. Methodology: how these readings are compared.

Sawbill Lake covers about 830 acres in Cook County. The median ice-out date is May 7, which is when the open-water season begins. If you are planning to stay, you can search lake houses and cabins around Sawbill Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.

What Sawbill Lake is good for

From access and monitoring records, not editorial picks.

  • Fishing8 species recorded
  • Ice seasonIce-out around May 7
  • Deep water45 ft surveyed max depth

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Sawbill Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Sawbill Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Sawbill Lake

These are the measurements Minnesota PCA publishes for Sawbill 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 6.6 ft. TSI 50.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)6.6ftMeasured, not scored

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

Total phosphorusNo 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.50Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Sawbill Lake

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

DNR fisheries survey

Minnesota DNR's Standard Survey on September 9, 2013 caught 2.75 walleye per gill net at Sawbill Lake. Length samples in the latest survey that recorded them ran 7–24 inches.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sawbill Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.

DNR Fisheries Survey Summary

8 surveys on file from MN DNR Fisheries. Most recent: 2013-09-09 (Standard Survey).

8 surveys on file · most recent 2013-09-09 (Standard Survey)

SpeciesCatch rate (CPUE)SizeAvg weight
White Sucker
5.70
9–22 in
2013-09-09
2.7 lb
Walleye
2.41
7–24 in
2013-09-09
1.13 lb
Yellow Perch
1.68
5–8 in
2013-09-09
0.13 lb
Northern Pike
1.15
14–22 in
2013-09-09
1.5 lb
Rock Bass
0.94
4–8 in
2013-09-09
0.27 lb
Smallmouth Bass
0.31
11–16 in
2013-09-09
1.57 lb

CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.

Length Distributions

Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.

White Sucker

171 fish · 9–22 in · 2013-09-09
42210910111213141516171819202122

Walleye

53 fish · 7–24 in · 2013-09-09
1580trophy 24″81012141618202224

Yellow Perch

14 fish · 5–8 in · 2013-09-09
5305678

Northern Pike

24 fish · 14–22 in · 2013-09-09
950141516171819202122

From the 2013-09-09 survey

This assessment was to have been the second of two scheduled in the 2005 lake management plan to monitor walleye and northern pike abundance, and to determine whether a resumption of walleye stocking was needed. The first, scheduled for 2008, could not be completed. Walleye were present in fair numbers in 2013, and…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Sawbill Lake. 2 reports on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Lake Details

Max depth

45 ft

Surface area

834 acres

Shoreline

26.3 mi

Littoral zone

53%

Share shallower than 15 ft

Public access

Yes

Listed by Minnesota PCA

Lake Size & Watershed

Watershed (drainage) area

11 sq mi

HydroLAKES / HydroSHEDS

Elevation

1,788 ft

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

Stays via Stay22

Stays near Sawbill Lake

Compare lakeside cabins, hotels, and vacation rentals near Sawbill Lake in Cook County, Minnesota — 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 Sawbill 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 Minnesota’s top lakes →

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Fish Species

Click a species to see every lake where it is documented.

Fishing Sawbill Lake

Ice season

Typical ice-out

May 7

Earliest Mar 27, 2012 · Latest May 15, 2014

Typical ice-in

Nov 12

Earliest Nov 8, 2019 · Latest Nov 24, 1990

Most recent ice-out

Apr 17

2024

14 observations · Minnesota PCA ice records

EPA Impairment Status

Sawbill Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN16-0496-00 · Official waterbody report

Nearby Lakes in Cook County

Frequently asked questions about Sawbill Lake

Where is Sawbill Lake?

Sawbill Lake is a lake in Cook County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

What is the water quality of Sawbill Lake?

Sawbill Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 6.6 ft visibility. Maximum depth: 45 ft. Surface area: 833.89 acres.

Measurements on this page ↑

Is Sawbill Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Sawbill Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Swimming on this page ↑

How deep is Sawbill Lake?

Sawbill Lake has a maximum depth of 45 feet. The lake covers 833.89 acres.

What fish are in Sawbill Lake?

Fish species found in Sawbill Lake include burbot, cisco species, northern pike, rock bass, smallmouth bass, walleye, white sucker, yellow perch. Sawbill Lake is located in Cook County, Minnesota.

Fish on this page ↑

What did the DNR fisheries survey find at Sawbill Lake?

Minnesota DNR's Standard Survey on September 9, 2013 caught 2.75 walleye per gill net at Sawbill Lake. Length samples in the latest survey that recorded them ran 7–24 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sawbill Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

When does Sawbill Lake thaw?

Sawbill Lake typically has ice-out around May 7. Ice typically forms around Nov 12. The open water season is approximately 189 days.

Can I fish at Sawbill Lake?

Public access to Sawbill Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.

Mesotrophic Lakes in Minnesota

Where this data comes from

3 measurements from 3 monitoring stations, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA3 samples · 2024–2025

Analytical methods

  • Field measurement/observation, generic method
Monitoring station identifiers (3)

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

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate