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LakeQuality

Mitchell Lake

C
Grade C — Fair
Fair · #70 of 85 lakes in the county · 7 ft clear · Mesotrophic · 429 acres · from B
Mesotrophic

Mitchell Lake in Crow Wing County, Minnesota has a water quality grade of C (Fair). Water clarity: 7 ft visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 9.1 µg/L. Maximum depth: 78 ft. Surface area: 429.05 acres.

Clarity
7 ft
Typical in August
59°F
Max depth
78 ft
Area
429 acres
Type
Mesotrophic
Trend
Improving
Public access
Yes
Ice-out
Apr 17
Open water
239 days

Next lake in Crow Wing County

CEagle Lake9.5 ft clear · Crow Wing CountyView →
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Mitchell Lake is a 429-acre mesotrophic lake in Crow Wing County, Minnesota with a maximum depth of 78 feet. Water quality is graded C based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 18 documented fish species including black crappie, bluegill, and bowfin (dogfish). Public access is available with 1 public boat landing. Compared to the 84 other monitored lakes in Crow Wing County, Mitchell Lake ranks #70 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-14. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Moderate

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.

Generally safe for swimming, moderate water quality

Compare the safest swimming lakes near Brainerd

Get alerts for Mitchell Lake

Water Quality Grade: C (Fair)

Moderate clarity, visible to about 7 ft. Phosphorus level: 18 µg/L. Chlorophyll-a: 9.1 µg/L. Trophic State Index: 49.

MetricValueGrade
Water Clarity (Secchi Depth)7 ftNot graded
Phosphorus18 µg/LGood
Chlorophyll-a (Algae)9.1 µg/LFair
Trophic State Index (TSI)49Mesotrophic

Moderate nutrients, good water quality

Where to stay near Mitchell Lake

Compare lakeside cabins, hotels, and vacation rentals near Mitchell Lake in Crow Wing 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 Mitchell Lake

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 →

Water Temperature

Mitchell Lake typically sits around 59°F at the surface in August. Summer average is about 68°F. Usually warmest in Jul (about 77°F) and coldest in Aug (about 59°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
61°
Jun
69°
Jul
77°
Aug
59°
Sep
68°
Oct
Nov
Dec

Typical surface water temperature by month, from 107 field readings (20212025) via the EPA Water Quality Portal. See the full Mitchell Lake water temperature breakdown →

Blue-Green Algae (Cyanobacteria)

No current satellite reading

There’s no recent EPA CyAN cyanobacteria estimate for Mitchell Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was moderate (84,723 cells/mL) on May 2, 2026.

Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗

Lake Details

CharacteristicValue
Maximum Depth78 ft
Surface Area429 acres
Shoreline Length5 mi
Littoral Zone28%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
127 sq mi
Elevation
1,250 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Mitchell LakePublic

Fish Species

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

Fishing Mitchell 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.

zebra mussel

DNR Fisheries Survey Summary

12 surveys on file from MN DNR Fisheries. Most recent: 2024-08-02 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluntnose Minnow58.48
LGP42.63
Spottail Shiner40.06
BKF21.16
MTS11.67
Yellow Perch10.050.11 lb

CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.

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.

Yellow Perch

14 fish · 49 in · 2020-07-06
630456789

From the 2024-08-02 survey

Temperature and dissolved oxygen profiles were collected in the deepest basin in Mitchell Lake on August 2, 2024, to evaluate the quantity and quality of cold, oxygenated water (i.e., oxythermal habitat) available to Cisco, also known as Tullibee, the most sensitive coldwater species present in this lake. Cisco…

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 Mitchell Lake. 4 reports on file.

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

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.047 m/yr6
Phosphorus Improving-0.61 µg/L/yr6
Chlorophyll-a Improving-0.41 µg/L/yr6
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (13 observations).

Typical Ice-Out
Apr 17
Typical Ice-In
Dec 12

Estimated open water season: 239 days

EarliestLatest
Ice-Out2017-04-07 (2017)2022-05-06 (2022)
Ice-In2018-11-19 (2018)2004-12-15 (2004)

Most recent ice-out: 2025-04-17

County Ranking

Ranked #70 of 85 lakes in Crow Wing County

Nearby Lakes With Higher Grades

Mitchell Lake holds Grade C. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Crow Wing County

Frequently asked questions about Mitchell Lake

What is the water quality grade for Mitchell Lake?

Mitchell Lake in Crow Wing County, Minnesota has a water quality grade of C (Fair). Water clarity: 7 ft visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 9.1 µg/L. Maximum depth: 78 ft. Surface area: 429.05 acres.

Is Mitchell Lake safe to swim in?

Generally safe for swimming, moderate water quality. Mitchell Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 9.1 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Mitchell Lake?

Mitchell Lake typically sits around 59°F at the surface in August, from 107 EPA Water Quality Portal field readings (2021–2025). That is a typical value for the month, not a live reading.

How deep is Mitchell Lake?

Mitchell Lake has a maximum depth of 78 feet. The lake covers 429.05 acres.

What fish are in Mitchell Lake?

Fish species found in Mitchell Lake include black crappie, bluegill, bowfin (dogfish), burbot, greater redhorse, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, shorthead redhorse, smallmouth bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Mitchell Lake is located in Crow Wing County, Minnesota.

When does Mitchell Lake thaw?

Mitchell Lake typically has ice-out around Apr 17. Ice typically forms around Dec 12. The open water season is approximately 239 days.

Does Mitchell Lake have blue-green algae?

There is no recent EPA CyAN cyanobacteria estimate for Mitchell Lake (clouds, ice, or an off-season gap). The most recent reading was moderate (84,723 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.

Are there boat ramps on Mitchell Lake?

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

Where this data comes from

183 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA183 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
  • 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
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)

Lake details from Minnesota DNR LakeFinder

Named boat-access points from the USGS National Boat Ramps inventory

Ice data from Minnesota DNR Climate