Mitchell Slough
Lyon County, Minnesota56 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Impaired biota (cause unknown)
- 22 ft max depth
Mitchell Slough in Lyon County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 21.7 ft. Surface area: 56 acres.
Mitchell Slough is a 56-acre lake in Lyon County, Minnesota with a maximum depth of 22 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Mitchell Slough is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
Whether Mitchell Slough 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.
Water quality measurements for Mitchell Slough
These are the measurements Minnesota PCA publishes for Mitchell Slough, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Mitchell Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
21.7 ft
Surface area
56 acres
Shoreline
1.2 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
Stays via Stay22
Stays near Mitchell Slough
Compare lakeside cabins, hotels, and vacation rentals near Mitchell Slough in Lyon 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 Slough
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 Minnesota’s top lakes →
Follow Mitchell Slough’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Mitchell Slough
EPA Impairment Status
Mitchell Slough is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit MN42-0070-00 · Official waterbody report
Nearby Lakes in Lyon County
Frequently asked questions about Mitchell Slough
Where is Mitchell Slough?
- Mitchell Slough is a lake in Lyon County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Mitchell Slough?
- Mitchell Slough in Lyon County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 21.7 ft. Surface area: 56 acres.
Is Mitchell Slough safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mitchell Slough is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
How deep is Mitchell Slough?
- Mitchell Slough has a maximum depth of 21.7 feet. The lake covers 56 acres.
Explore Mitchell Slough across LakeQuality
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in Lyon County
Species activity outlook by water temperature and season
Where to stay at Minnesota's top lakes, each with its readings
Minnesota's cleanest lakes, ranked on agency measurements
More lakes in Minnesota
State Parks Near Mitchell Slough
Other Lakes in Minnesota
Where this data comes from
Measurements for Mitchell Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake details from Minnesota DNR LakeFinder