Lyman Lake is a lake in Douglas County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

How deep is Lyman Lake?

Lyman Lake has a maximum depth of 15 feet and an average depth of 7 feet. The lake covers 371 acres.

Are there boat ramps on Lyman Lake?

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

Can I fish at Lyman Lake?

Lyman 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 Wisconsin's fish and wildlife agency, so check its current regulations before you go.

Lyman Lake

Douglas County, Wisconsin371 acresView map Directions

No nutrient or algae sampling on record from Wisconsin DNR for this lake.

Max depth

15 ft

Bathymetric survey

Area

371 acres

Surface area

Shoreline

4.9 mi

Measured length

Impaired · Mercury
15 ft max depth
Public access

See the measurements Directions Where to stay

Lyman Lake in Douglas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 15 ft. Surface area: 371 acres.

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Lyman Lake is a 371-acre lake in Douglas County, Wisconsin with a maximum depth of 15 feet (7-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. Methodology: how these readings are compared.

What Lyman Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Lyman Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Lyman Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lyman Lake

These are the measurements Wisconsin DNR publishes for Lyman 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 Lyman Lake

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

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Lyman Lake covering fish populations, stocking, water quality, and management. 1 report on file.

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

2024
Lyman Lake spring shocking survey, 2024
Spring Shocking Survey · WI DNR · 2024 (PDF)

Lake Details

Max depth

15 ft

Average depth

7 ft

Surface area

371 acres

Shoreline

4.9 mi

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

Lyman LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lyman Lake

Compare lakeside cabins, hotels, and vacation rentals near Lyman Lake in Douglas County, Wisconsin — 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 Lyman Lake

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Follow Lyman Lake’s readings

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Fishing Lyman Lake

→ Lyman Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Lyman Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit WI10008905 · Official waterbody report

Nearby Lakes in Douglas County

Scout Lake1.2 miView →Dowling Lake2.5 ft clear · Eutrophic3.1 miView →Amnicon Lake5 ft clear · Eutrophic4 miView →Mud Lake4.9 miView →Moose Branch Flowage8 miView →Bear Lake2 ft clear6.6 miView →

Frequently asked questions about Lyman Lake

Where is Lyman Lake?: Lyman Lake is a lake in Douglas County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Lyman Lake?: Lyman Lake in Douglas County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 15 ft. Surface area: 371 acres.
Is Lyman Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lyman Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Lyman Lake?: Lyman Lake has a maximum depth of 15 feet and an average depth of 7 feet. The lake covers 371 acres.
Are there boat ramps on Lyman Lake?: Lyman Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lyman Lake. Public access is listed as yes.
Can I fish at Lyman Lake?: Lyman 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 Wisconsin's fish and wildlife agency, so check its current regulations before you go.