Event Sponsorship
Invest in Clean Water and Healthy Communities
Milwaukee Riverkeeper invites companies to join us as corporate event sponsors and demonstrate their commitment to clean water, thriving communities, and a healthy environment. Sponsoring an event is a powerful way to align your brand with local environmental impact, while gaining visibility among thousands of engaged community members across Southeastern Wisconsin. Your support helps us deliver impactful programs and unforgettable experiences—from river cleanups to educational celebrations—that connect people to our waterways. Event sponsorships also offer unique opportunities for employee engagement and team building. Partner with us to make a difference—and be recognized for it.

“
Milwaukee Riverkeeper does such important and impactful work that directly aligns with our sustainable and environmentally responsible practices
So, who better to partner with?
—Cleanup Sponsor
”
Watershed Moments: 30 Years of Keeping Our Rivers
Thursday, October 9, 2025
For 30 years, Milwaukee Riverkeeper has been protecting and improving the health of the waterways in the Milwaukee River Basin. On October 9th, we’re excited to gather our community to look back on all we have accomplished together and set a bold vision for a future filled with drinkable, fishable, swimmable waters.
During this Anniversary Event:
- Live Music by the Sam Catral Jazz Quartet
- Presentation & Highlight of Community Members
- Interactive Art Display, Photobooth (with mermaids!) and more
Annual Spring Cleanup
Saturday, April 25, 2026
Each Earth Month, we bring together partners, neighbors, and water advocates for a one-day massive litter cleanup. In just a few hours, volunteers remove thousands of pounds of nuisance trash from sites all around the Milwaukee River Basin.
During the Annual Event:
- Over 4,000 volunteers turn out
- Over 100,000 lbs of trash is removed from waterways
- More than 100 sites, in 5 counties host cleanups