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LakeQuality

Clearwater Lake

Itasca County, Minnesota132 acresView mapDirections

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

Clarity
9.5 ft
Typical for Minnesota
Secchi · sampled 2023
Max depth
16 ft
Bathymetric survey
Area
132 acres
Surface area
Trend
Improving
4 years of samples
Shoreline
1.9 mi
Measured length
  • 16 ft max depth
  • Limited data

Clearwater Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 9.5 ft visibility. Maximum depth: 16 ft. Surface area: 131.59 acres.

Minnesota DNR's Standard Survey on July 25, 1983 caught 24.50 northern pike per gill net at Clearwater Lake. DNR survey details →

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Clearwater Lake is a 132-acre lake in Itasca County, Minnesota with a maximum depth of 16 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. No public access — the lake is private or restricted.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-09-23. Methodology: how these readings are compared.

What Clearwater Lake is good for

From access and monitoring records, not editorial picks.

  • Ice seasonIce-out around Apr 17

Swimming conditions

No reading

Limited data

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

Whether Clearwater 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 Clearwater Lake

These are the measurements Minnesota PCA publishes for Clearwater Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Moderate clarity, visible to about 9.5 ft. TSI 45.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)9.5ftMeasured, 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.45Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Clearwater Lake

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

DNR fisheries survey

Minnesota DNR's Standard Survey on July 25, 1983 caught 24.50 northern pike per gill net at Clearwater Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Clearwater Lake’s water-quality measurements separately, and the water-quality trend over 4 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.

DNR Fisheries Survey Summary

1 survey on file from MN DNR Fisheries. Most recent: 1983-07-25 (Standard Survey).

1 survey on file · most recent 1983-07-25 (Standard Survey)

43 years old
SpeciesCatch rate (CPUE)SizeAvg weight
Black Bullhead
67.88
0.21 lb
Yellow Perch
15.75
0.18 lb
Brown Bullhead
12.75
0.28 lb
Northern Pike
12.63
1.21 lb
Pumpkinseed
4.13
0.22 lb
Bowfin
0.63
4.16 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.

From the 1983-07-25 survey

VERY HIGH BULLHEAD, NORTHERN PIKE AND PERCH POPULATIONS. FISH SPECIES COMPOSITION IS INDICA- TIVE OF A WINTERKILL LAKE.

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 Clearwater 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

16 ft

Surface area

132 acres

Shoreline

1.9 mi

Littoral zone

95%

Share shallower than 15 ft

Public access

No

Listed by Minnesota PCA

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

HydroLAKES / HydroSHEDS

Elevation

1,289 ft

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

Stays via Stay22

Stays near Clearwater Lake

Compare lakeside cabins, hotels, and vacation rentals near Clearwater Lake in Itasca 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 Clearwater 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 Clearwater Lake’s readings

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Fishing Clearwater Lake

Based on 4 years of monitoring (2020–2023).

  • Water clarity

    Improving

    4 years

See year-by-year chart →

Ice season

Typical ice-out

Apr 17

Earliest Mar 22, 2012 · Latest May 10, 2013

Typical ice-in

Nov 21

Earliest Nov 3, 2017 · Latest Dec 6, 2016

Most recent ice-out

Apr 5

2024

76 observations · Minnesota PCA ice records

Nearby Lakes in Itasca County

Frequently asked questions about Clearwater Lake

Where is Clearwater Lake?

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

What is the water quality of Clearwater Lake?

Clearwater Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 9.5 ft visibility. Maximum depth: 16 ft. Surface area: 131.59 acres.

Measurements on this page ↑

Is Clearwater 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 Clearwater Lake?

Clearwater Lake has a maximum depth of 16 feet. The lake covers 131.59 acres.

What did the DNR fisheries survey find at Clearwater Lake?

Minnesota DNR's Standard Survey on July 25, 1983 caught 24.50 northern pike per gill net at Clearwater Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Clearwater Lake’s water-quality measurements separately, and the water-quality trend over 4 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

When does Clearwater Lake thaw?

Clearwater Lake typically has ice-out around Apr 17. Ice typically forms around Nov 21. The open water season is approximately 218 days.

Can I fish at Clearwater Lake?

Public access to Clearwater Lake is listed as no on the lake record, so confirm before you make the trip. 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

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

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA5 samples · 2021–2023

Analytical methods

  • Field measurement/observation, generic method
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

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate