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.

When Lifeguards on Duty Beach Rules 

*Fox Brook and Menomonee Parks Only

  • Swimming is allowed in designated areas only
  • Follow all lifeguard instructions
  • Children 5 years old or younger must be accompanied by an adult at all times
  • The water may be cleared at 1pm, 3pm, or 5pm for 20 minute safety checks
  • Successful completion of a swim test is required for anyone age 14 and under to use the deep section, and maybe requested to anyone 15 or older who appears to be a weak or struggling swimmer.
  • Diving is only allowed off raft platform.
  • No flotation devices are permitted. (i.e. rafts, noodles, inflatable toys and tubes/rings, etc.)
  • Properly fitting US Coast Guard approved lifejackets and vests are allowed in shallow sections only. More information
  • Dog swimming is not allowed in the beach area at Menomonee & Fox Brook Parks. Please use designated dog swimming areas
  • The following are prohibited in the beach area (within 40 foot radius of sand and beach house)
    • Smoking                                 • Alcohol
    • Glass                                      • Grilling
    • Fishing Poles/Tackle               • No pets* (*service animals welcome)

These rules are in addition to all Park Rules

Water quality is tested weekly, status is posted on the back of lifeguard chairs and/or on throw ring post. After heavy rainfall, bacteria levels may be elevated.

Swim at Your Own Risk - When No Lifeguards on Duty Beach Rules

Minooka, Mukwonago, Muskego, and Naga-Waukee Parks
At designated times at Fox Brook and Menomonee Parks

  • Swimming is allowed in designated roped-in shallow area only
  • The following are prohibited in the beach area (within 40-foot radius of sand and beach house)
    • Smoking                                 • Alcohol
    • Glass                                      • Grilling
    • Fishing Poles/Tackle                  
  • Dog swimming:
    • At Minooka, Mukwonago, Muskego & Naga-Waukee Parks – dog swimming is allowed in beach area
    • At Fox Brook & Menomonee Parks - dog swimming is allowed in designated dog swimming areas only (not on sand beach)
  • In case of emergency, call 9-1-1

These rules are in addition to all Park Rules

Water quality is tested weekly, status is posted by throw ring. After heavy rainfall, bacteria levels may be elevated.


Waukesha County Parks Beaches & Swimming FAQs


Frequently Asked Questions

Do I have to pay to get into the park?
Yes, park entrance fees apply. Cash, check, and credit cards are accepted at entrance huts. Or you can purchase an annual sticker online.

When is the beach open?
Check our Park Alerts page for status updates and conditions.

What is the water quality?
Check our Park Alerts page for status updates and conditions.

Is a Swim Test required to use the deep section and raft during Lifeguarded Hours?
Yes, successful completion of a swim test is required. Swim Test procedures and requirements are posted at both Menomonee and Fox Brook Parks during lifeguarded beach hours. The swim test is based on American Red Cross requirements for water competency.

Swim Test Requirements:

  • Anyone 14 years of age or under
  • Anyone age 15 or older who appears to be a weak or struggling swimmer.
  • Wristbands are issued to those who successfully complete the swim test.
  • Swim test is required daily
  • Only one test will be given per person per day
  • All swim test decisions are final
  • Anyone may be removed from the deep section at the lifeguard’s discretion

Swim Test Procedures:

  • Walk out into chest-deep water along the rope
  • Submerge head under the water and recover to the surface confidently
  • Proceed to swim from one side of the section to the other and back, without showing signs of fatigue or disorientation.
  • Both arms must come completely out of the water, showing competent strong strokes and consistent forward progress.
  • You may not touch the bottom at any point during the test except at the end of the section to briefly turn around and come back.
  • Upon completion, stand up and exit the water.
  • The swim test must be performed without the aid of goggles, a life vest, or another person.
  • Swimming an additional length may be requested to confirm swimming competency.

Can I kayak, canoe, paddleboard?
Yes, kayaks, canoes, and paddleboards are permitted. Do not launch your watercraft from the swimming beach, please use designated watercraft launch area. Properly fitting Coast Guard approved life jackets must be worn while on the water in the watercraft, and you must remain in your watercraft at all times. View watercraft rules.

Can I rent a kayak or canoe?
High Roller Fun Rentals will manage rentals in 2021 at both Fox Brook and Menomonee Parks during the lifeguard swim season. The Recreation concessions will be available for rental on a limited schedule. Check their website for additional information. 

What concessions are available? Can I bring outside food?
Full service concessions will be available at Fox Brook and Menomonee beaches. Vending machines are available at Muskego and Naga-Waukee beaches. You are permitted to bring food and non-alcoholic beverages. No glass is permitted on the beaches. 

Can I use a beach umbrella / small pop-up tent for shade?
Yes, both are permitted. Umbrellas may be on the beach. Pop-up tents must be placed on turf areas and cannot be staked into the ground.

Can I use an inflatable toy or boat in the designated swim area?

  • No, not when Lifeguards are on Duty (Fox Brook and Menomonee Parks). These items can potentially block lifeguard views of swimmers, causing someone struggling to possibly be overlooked. 
  • Yes, during Swim At Your Own Risk hours (Minooka, Mukwonago, Muskego, Naga-Waukee, Fox Brook and Menomonee Parks).
    Note: Inflatable watercraft are allowed outside of designated swim area if all members are wearing properly fitting Coast Guard approved lifejackets and occupants remain in the watercraft at all times. View watercraft rules.

I left something behind - what do I do?
You can either visit the park's office or call the park office.

Can I bring my dog to swim?
Dogs are permitted at some beaches - check our Dogs page for more information concerning beach swimming and designated dog swim areas.

Are there showers available?
Showers are available at Fox Brook, Menomonee, Muskego, Mukwonago and Naga-Waukee parks. Showers are not available at Minooka Park.

Can I scuba dive?
Yes, you can scuba dive at Fox Brook and Menomonee parks once you successfully complete a free scuba dive permit

Can I train for triathlon swimming outside of the designated swim area?
Yes, you can train at Fox Brook and Menomonee parks outside of the designated swim area once you successfully complete a free Triathlon Swim Training Permit, and are in compliance with all the permit terms and conditions. Check-in with the Head Lifeguard or Park Ranger upon your arrival, and be prepared to show a copy of your permit. 

When do the beaches close for the season?
As the season progresses, the exact closure dates for lifeguard and swim at your own risk beaches will be evaluated and posted to the swimming webpage.