Skip to main content
LakeQuality

Chester Lake

Cook County, Minnesota52 acresView mapDirections

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

Clarity
11.9 ft
Typical for Minnesota
Secchi · sampled 2023
Water temp
~60°F
Typical for Sep · EPA WQP
Max depth
35 ft
Bathymetric survey
Area
52 acres
Surface area
Shoreline
1.5 mi
Measured length
  • Impaired · Mercury
  • 35 ft max depth
  • Public access
  • Limited data

Chester Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 11.9 ft visibility. Maximum depth: 35 ft. Surface area: 51.97 acres.

Minnesota DNR's Standard Survey on September 23, 2024 caught 6.00 brown trout per gill net at Chester Lake. Length samples in the latest survey that recorded them ran 11–17 inches. DNR survey details →

Loading map…

Chester Lake is a 52-acre lake in Cook County, Minnesota with a maximum depth of 35 feet (14-foot average). Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including brown trout, rainbow smelt, and white sucker. Public access is available.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-08-23. Methodology: how these readings are compared.

What Chester Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water11.9 ft of visibility
  • Fishing3 species recorded
  • Deep water35 ft surveyed max depth

Swimming conditions

No reading

Limited data

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

Whether Chester 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.

Compare swimming lakes near Ely →

Get alerts for Chester Lake →

Water quality measurements for Chester Lake

These are the measurements Minnesota PCA publishes for Chester 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 11.9 ft. TSI 41.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)11.9ftMeasured, 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.41Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Chester Lake

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

Water Temperature

Chester Lake typically sits around 60°F at the surface in September. Summer average is about 68°F. Usually warmest in Jul (about 71°F) and coldest in Sep (about 60°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
67°
Jun
71°
Jul
66°
Aug
60°
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (60°F) to its warmest (71°F).

Typical surface water temperature by month, from 12 field readings (2010–2023) via the EPA Water Quality Portal. See the full Chester Lake water temperature breakdown →

DNR fisheries survey

Minnesota DNR's Standard Survey on September 23, 2024 caught 6.00 brown trout per gill net at Chester Lake. Length samples in the latest survey that recorded them ran 11–17 inches.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Chester Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR Fisheries Survey Summary

10 surveys on file from MN DNR Fisheries. Most recent: 2024-09-23 (Standard Survey).

10 surveys on file · most recent 2024-09-23 (Standard Survey)

SpeciesCatch rate (CPUE)SizeAvg weight
Fathead Minnow
28.45
1–2 in
1997-09-29
White Sucker
5.63
6–16 in
2024-09-23
0.9 lb
Brown Trout
3.24
11–17 in
2024-09-23
1.59 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.

Fathead Minnow

2 fish · 1–2 in · 1997-09-29
1012

White Sucker

64 fish · 6–16 in · 2024-09-23
1470678910111213141516

Brown Trout

17 fish · 11–17 in · 2024-09-23
420trophy 18″11121314151617

From the 2024-09-23 survey

Chester Lake is a small, 52-acre lake with a maximum depth of 35 ft and is located approximately 11 miles northwest of Hovland. Chester Lake lies within the Lake Superior North watershed, draining to Lake Superior via Portage Brook and the Pigeon River. There is a small carry-in access located on the north end of the…

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 Chester Lake. 4 reports on file.

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

Lake Details

Max depth

35 ft

Average depth

14.2 ft

Surface area

52 acres

Shoreline

1.5 mi

Littoral zone

56%

Share shallower than 15 ft

Public access

Yes

Listed by Minnesota PCA

Lake Size & Watershed

Watershed (drainage) area

0 sq mi

HydroLAKES / HydroSHEDS

Elevation

1,883 ft

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

Stays via Stay22

Stays near Chester Lake

Compare lakeside cabins, hotels, and vacation rentals near Chester 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 Chester 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 →

Follow Chester 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 Chester Lake

2 seasons of samples on record (2021–2023). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Worsening

    2 years

EPA Impairment Status

Chester 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 MN16-0033-00 · Official waterbody report

Nearby Lakes in Cook County

Frequently asked questions about Chester Lake

Where is Chester Lake?

Chester 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 Chester Lake?

Chester Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 11.9 ft visibility. Maximum depth: 35 ft. Surface area: 51.97 acres.

Measurements on this page ↑

Is Chester Lake safe to swim in?

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

Swimming on this page ↑

What is the water temperature of Chester Lake?

Chester Lake typically sits around 60°F at the surface in September, from 12 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Chester Lake?

Chester Lake has a maximum depth of 35 feet and an average depth of 14.2 feet. The lake covers 51.97 acres.

What fish are in Chester Lake?

Fish species found in Chester Lake include brown trout, rainbow smelt, white sucker. Chester Lake is located in Cook County, Minnesota.

Fish on this page ↑

What did the DNR fisheries survey find at Chester Lake?

Minnesota DNR's Standard Survey on September 23, 2024 caught 6.00 brown trout per gill net at Chester Lake. Length samples in the latest survey that recorded them ran 11–17 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Chester Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Can I fish at Chester Lake?

Public access to Chester 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.

Where this data comes from

2 measurements from 1 monitoring station, 2021–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Eastern Regional OfficeUSFSEASTERN2 samples · 2021–2023
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

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder