Where is Neshonoc Lake?

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

How deep is Neshonoc Lake?

Neshonoc Lake has a maximum depth of 11 feet and an average depth of 4 feet. The lake covers 607 acres.

Are there boat ramps on Neshonoc Lake?

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

Can I fish at Neshonoc Lake?

Neshonoc 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.

Neshonoc Lake

La Crosse County, Wisconsin607 acresView map Directions

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

Max depth

11 ft

Bathymetric survey

Area

607 acres

Surface area

Shoreline

6.8 mi

Measured length

Impaired · Mercury
11 ft max depth
Public access

See the measurements Directions Where to stay

Neshonoc Lake in La Crosse County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 11 ft. Surface area: 607 acres.

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Neshonoc Lake is a 607-acre lake in La Crosse County, Wisconsin with a maximum depth of 11 feet (4-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 Neshonoc Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Recreation use not supported

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

Whether Neshonoc 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 Neshonoc Lake

These are the measurements Wisconsin DNR publishes for Neshonoc 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 Neshonoc Lake

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

Lake Details

Max depth

11 ft

Average depth

4 ft

Surface area

607 acres

Shoreline

6.8 mi

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

Neshonoc Lake - SouthPublic

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

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Stays near Neshonoc Lake

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Fishing Neshonoc Lake

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

EPA Impairment Status

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

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)Turbidity

Designated uses not supporting: Aquatic life, Fish consumption, Recreation.

Source: EPA ATTAINS assessment unit WI10008309 · Official waterbody report

Nearby Lakes in La Crosse County

Neshonoc Lake0.4 ft clear1.1 miView →Lake Onalaska12.9 miView →Van Loon Lake15.8 miView →Perch Lake13 miView →Angelo Pond14.7 miView →Marinuka Lake—View →

Frequently asked questions about Neshonoc Lake

Where is Neshonoc Lake?: Neshonoc Lake is a lake in La Crosse County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Neshonoc Lake?: Neshonoc Lake in La Crosse County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 11 ft. Surface area: 607 acres.
Is Neshonoc Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Neshonoc Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is Neshonoc Lake?: Neshonoc Lake has a maximum depth of 11 feet and an average depth of 4 feet. The lake covers 607 acres.
Are there boat ramps on Neshonoc Lake?: Neshonoc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Neshonoc Lake - South. Public access is listed as yes.
Can I fish at Neshonoc Lake?: Neshonoc 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.