Where is Upper Oconomowoc Lake?

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

How deep is Upper Oconomowoc Lake?

Upper Oconomowoc Lake has a maximum depth of 11 feet. The lake covers 35 acres.

Are there boat ramps on Upper Oconomowoc Lake?

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

Can I fish at Upper Oconomowoc Lake?

Upper Oconomowoc 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.

Upper Oconomowoc Lake

Waukesha County, Wisconsin35 acresView map Directions

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

Max depth

11 ft

Bathymetric survey

Area

35 acres

Surface area

Shoreline

1.8 mi

Measured length

11 ft max depth
Public access

See the measurements Directions Where to stay

Upper Oconomowoc Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 11 ft. Surface area: 35 acres.

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Upper Oconomowoc Lake is a 35-acre lake in Waukesha County, Wisconsin with a maximum depth of 11 feet. 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 Upper Oconomowoc 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. Check local advisories before you swim.

Whether Upper Oconomowoc 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 Upper Oconomowoc Lake

These are the measurements Wisconsin DNR publishes for Upper Oconomowoc 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 Upper Oconomowoc Lake

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

Lake Details

Max depth

11 ft

Surface area

35 acres

Shoreline

1.8 mi

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

Upper Oconomowoc LakePublic

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 Upper Oconomowoc Lake

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Fishing Upper Oconomowoc Lake

→ Upper Oconomowoc Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Waukesha County

Oconomowoc Lake12.5 ft clear · Mesotrophic1 miView →Okauchee Lake Site4.6 ft clear · Mesotrophic1.3 miView →Tamarack Lake—View →Ocauchee Lake6.6 ft clear · Mesotrophic—View →Upper Nashotah Lake—View →Grass Lake—View →

Frequently asked questions about Upper Oconomowoc Lake

Where is Upper Oconomowoc Lake?: Upper Oconomowoc Lake is a lake in Waukesha County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Upper Oconomowoc Lake?: Upper Oconomowoc Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 11 ft. Surface area: 35 acres.
Is Upper Oconomowoc Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Upper Oconomowoc Lake?: Upper Oconomowoc Lake has a maximum depth of 11 feet. The lake covers 35 acres.
Are there boat ramps on Upper Oconomowoc Lake?: Upper Oconomowoc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Upper Oconomowoc Lake. Public access is listed as yes.
Can I fish at Upper Oconomowoc Lake?: Upper Oconomowoc 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.