Waukesha County

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Waukesha County Park System has six beautiful parks that offer swimming beaches - ranging from small, spring-fed ponds to Nagawicka Lake!

We provide both beaches with Lifeguard On Duty hours and Swim At Your Own Risk hours. 


Swimming beaches at Menomonee, Minooka, Mukwonago, Muskego, and Naga-Waukee Parks open with Swim At Your Own Risk (SAYOR) Hours through September 26.
Fox Brook Park Swimming Beach is closed for the season.

Fox Brook Beach 

Date(s)  Swim at Your Own Risk Hours Lifeguard Staffed Hours

 

Closed for the Season

 

Menomonee Beach 

Dates and hours are pending weather and water quality. Are subject to change.   

Date(s) Swim at Your Own Risk Hours Lifeguard Staffed Hours
July 17 - September 26, 2021  Sunrise to Sunset  No Lifeguards On Duty
September 27, 2021  Closed for the Season  Closed for the Season

Minooka, Mukwonago, Muskego, Naga-Waukee Beaches

Dates and hours are pending weather and water quality. Are subject to change. 

Date(s) Swim at Your Own Risk Hours Lifeguard Staffed Hours
May 28 - September 26, 2021  Sunrise to Sunset No Lifeguards On Duty
September 27, 2021  Closed for the Season Closed for the Season

Scuba Diving 

If you would like to scuba dive at either Fox Brook Park or Menomonee Park, you must apply for a free Scuba Diving Permit.

Triathlon Swim Training

If you would like to do Triathlon Swim Training at Fox Brook or Menomonee Park lakes, you must apply for a free Triathlon Swim Training Permit.



BeacWater Quality & Conditions

Waukesha County Park System consistently monitors our beaches for E. coli bacteria and blue-green algae during the swim season.
Waukesha County is committed to giving our customers the best experience at our beaches.  

Routine water sampling for bacteria is performed by Waukesha County Staff and the results are posted below. 

A visual check is performed for blue-green algae. If blue-green algae is suspected, the beach would be closed and sampling would be conducted with the Wisconsin Department of Natural Resources and the results would be posted below. Additional information about blue-green algae.

Water quality, Swimmer's Itch, and weather may all be factors in your beach planning. Always consider that weather conditions can change quickly. 

Water Quality Results

Good ≤ 235
Under Advisory =236-999
Poor ≥ 1000

Testing is based on E. coli colonies per 100 ml.

Location

Status Condition Water Quality Sample Tested On

Fox Brook Park

Closed

N/A

N/A

N/A

Menomonee Park

Open

Good

19 9/13/21
Minooka Park Open Good 73 9/13/21
Muskego Park Open Good 140 9/13/21
Mukwonago Park Open Good 12 9/13/21
Naga-Waukee Park Open Good

14

9/13/21