Where is Lake Twelve?

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

How deep is Lake Twelve?

Lake Twelve has a maximum depth of 20 feet and an average depth of 6 feet. The lake covers 45 acres.

Lake Twelve

Washington County, Wisconsin45 acresView map Directions

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

Max depth

20 ft

Bathymetric survey

Area

45 acres

Surface area

Shoreline

1.1 mi

Measured length

20 ft max depth

See the measurements Directions Where to stay

Lake Twelve in Washington County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 20 ft. Surface area: 45 acres.

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Lake Twelve is a 45-acre lake in Washington County, Wisconsin with a maximum depth of 20 feet (6-foot average).

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lake Twelve 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 Lake Twelve

These are the measurements Wisconsin DNR publishes for Lake Twelve, 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 Lake Twelve

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

Lake Details

Max depth

20 ft

Average depth

6 ft

Surface area

45 acres

Shoreline

1.1 mi

Stays via Stay22

Stays near Lake Twelve

Compare lakeside cabins, hotels, and vacation rentals near Lake Twelve in Washington 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 Lake Twelve

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Fishing Lake Twelve

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

Nearby Lakes in Washington County

Erler Lake3.7 miView →Green Lake9 ft clear · Mesotrophic5 miView →Wallace Lake7.2 miView →Smith Lake4 ft clear—View →Lucas Lake—View →Silver Lake—View →

Frequently asked questions about Lake Twelve

Where is Lake Twelve?: Lake Twelve is a lake in Washington County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Lake Twelve?: Lake Twelve in Washington County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 20 ft. Surface area: 45 acres.
Is Lake Twelve safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Twelve?: Lake Twelve has a maximum depth of 20 feet and an average depth of 6 feet. The lake covers 45 acres.