« All Events This event has passed. Wissahickon Creek Clean Up April 28, 2018 @ 9:00 am - 12:00 pm « St Norbert Knights of Columbus Highway Cleanup team up to clean up » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: April 28, 2018 Time: 9:00 am - 12:00 pm