Volunteers Tackle Trash in Milwaukee River Basin Posted on May 20, 2017July 21, 2021 by Rebeka Schmieder Photo: Rebeka Schmieder Over 4,000 volunteers flooded the Milwaukee River basin for the 22nd Annual Spring River Cleanup April 22. Volunteers armed with bags and gloves helped pick up trash at one of 50 clean-up sites along the river. Milwaukee Riverkeepers hosted the event for the seventh season in a row. Rebeka Schmieder was there. Audio: Rebeka Schmieder Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to print (Opens in new window)