Waukesha County

Closures, alerts, and notices pertaining to beaches, dog exercise areas, lake access points, recreational trails, and more will be posted on this page as necessary. If a notice hasn't been updated recently, that means there has been no change to the status as it is posted. If you have any questions, please call Guest Services at 262-548-7801 Monday - Friday 8:00 am - 4:15 pm.

Dog Exercise Areas:

Updated on: Mon., June 10, 2019

Mukwonago Park's Dog Exercise Areas are OPEN - please use caution, areas are muddy.

Minooka Park's Dog Exercise Areas are OPEN - please be aware of soft/muddy areas and standing water.
NOTICE: Minooka is making slight changes to our waste management to reduce costs, risks to safety, and waste. Please dispose of all waste in the dumpsters provided along park fence line and at gated entrances. Dog Waste Bags are located at the gated entrances.

Nashotah Park's Dog Exercise Areas are OPEN.

Mountain Bike Trails:

Updated on: Fri., June 14, 2019 

Minooka Park's Mountain Bike Trails are OPEN, please use caution on trails, some areas are soft.. 

Water Quality

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

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

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


Status Condition Water Quality Sample Tested On

Fox Brook Park



13.5 ppm 6/13/2019
Menomonee Park



<1 ppm 6/13/2019
Minooka Park Open Good 88.2 ppm 6/13/2019
Muskego Park Open Good 9.7 ppm 6/13/2019
Mukwonago Park Open Good 53.0 ppm 6/13/2019
Naga-Waukee Park Open Good 6.3 ppm 6/13/2019

School Section Lake Access:

Updated Mon. June 3, 2019

Lake Access and Boat Launch site now OPEN. Daily or annual launch permit required. 

Bridle Trails:

Updated on: Thur., June 6, 2019 

Bridle Trails at Menomonee Park are CLOSED

Bridle Trails at Ryan Park and Minooka Park are OPEN.


Pewaukee Lake Access:

Updated Mon., June 10, 2019

Dredging will begin June 17 and continue until June 28. Two of the four ramps will be closed Monday - Friday each week. Full launch access will be available Saturdays and Sundays. 

Menomonee Park:

Updated Wed., April 10, 2019

Road section from scuba parking lot to archery parking lot CLOSED due to culvert reconstruction.