Where is Beaver Dam Lake?

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

How deep is Beaver Dam Lake?

Beaver Dam Lake has a maximum depth of 7 feet and an average depth of 5 feet. The lake covers 6405 acres.

Are there boat ramps on Beaver Dam Lake?

Beaver Dam Lake has 4 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Edgewater Park, Waterworks Park, Derge County Park, Fish Camp. Public access is listed as yes.

Can I fish at Beaver Dam Lake?

Beaver Dam Lake has 4 documented boat landings 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.

Beaver Dam Lake

Dodge County, Wisconsin6,405 acresView map Directions

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

Max depth

7 ft

Bathymetric survey

Area

6,405 acres

Surface area

Shoreline

38.5 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
7 ft max depth
Public access

See the measurements Directions Where to stay

Beaver Dam Lake in Dodge County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 7 ft. Surface area: 6405 acres.

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Beaver Dam Lake is a 6,405-acre lake in Dodge County, Wisconsin with a maximum depth of 7 feet (5-foot average). Limited fish-species data available. Public access is available with 4 public boat landings.

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

What Beaver Dam Lake is good for

From access and monitoring records, not editorial picks.

Boat launch4 documented ramps
Big water6,405 acres

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Beaver Dam Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Beaver Dam 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 Beaver Dam Lake

These are the measurements Wisconsin DNR publishes for Beaver Dam 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 Beaver Dam Lake

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

Lake Details

Max depth

7 ft

Average depth

5 ft

Surface area

6,405 acres

Shoreline

38.5 mi

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

Edgewater ParkPublic
Waterworks ParkPublic
Derge County ParkPublic
Fish CampPublic

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 Beaver Dam Lake

Compare lakeside cabins, hotels, and vacation rentals near Beaver Dam Lake in Dodge 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 Beaver Dam Lake

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Fishing Beaver Dam Lake

→ Beaver Dam Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Beaver Dam Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Aquatic life, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit WI10001258 · Official waterbody report

Nearby Lakes in Dodge County

Beaver Dam Lake1 ft clear · Hypereutrophic2.4 miView →Fox Lake2 ft clear · Eutrophic6.8 miView →Lost Lake6.3 miView →Lake Emily3.5 ft clear · Eutrophic10.9 miView →Mud Lake—View →Chub Lake—View →

Frequently asked questions about Beaver Dam Lake

Where is Beaver Dam Lake?: Beaver Dam Lake is a lake in Dodge County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Beaver Dam Lake?: Beaver Dam Lake in Dodge County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 7 ft. Surface area: 6405 acres.
Is Beaver Dam Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Beaver Dam Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Beaver Dam Lake?: Beaver Dam Lake has a maximum depth of 7 feet and an average depth of 5 feet. The lake covers 6405 acres.
Are there boat ramps on Beaver Dam Lake?: Beaver Dam Lake has 4 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Edgewater Park, Waterworks Park, Derge County Park, Fish Camp. Public access is listed as yes.
Can I fish at Beaver Dam Lake?: Beaver Dam Lake has 4 documented boat landings 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.