Toohey Lake
Cook County, Minnesota363 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Mercury
- 10 ft max depth
- Public access
Toohey Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10.2 ft. Surface area: 363 acres.
Toohey Lake is a 363-acre lake in Cook County, Minnesota with a maximum depth of 10 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
What Toohey Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground nearby
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Toohey Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Toohey 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.
Water quality measurements for Toohey Lake
These are the measurements Minnesota PCA publishes for Toohey Lake, 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 Toohey Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10.2 ft
Surface area
363 acres
Shoreline
3.4 mi
Public access
Yes
Listed by Minnesota PCA
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
Recreation & Access
- Toohey LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Toohey Lake
- Toohey Lake Rustic Campground0.8 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Toohey Lake
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Fishing Toohey Lake
EPA Impairment Status
Toohey Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN16-0645-00 · Official waterbody report
Nearby Lakes in Cook County
Frequently asked questions about Toohey Lake
Where is Toohey Lake?
- Toohey 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 Toohey Lake?
- Toohey Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10.2 ft. Surface area: 363 acres.
Is Toohey Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Toohey Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Toohey Lake?
- Toohey Lake has a maximum depth of 10.2 feet. The lake covers 363 acres.
Are there boat ramps on Toohey Lake?
- Toohey Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Toohey Lake. Public access is listed as yes.
Can I fish at Toohey Lake?
- Toohey Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. 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.
Are there campgrounds on Toohey Lake?
- Toohey Lake has 1 public campground from USGS The National Map within 5 km, including Toohey Lake Rustic Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Toohey Lake across LakeQuality
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Where this data comes from
Measurements for Toohey Lake 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
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles