Wastewater Treatment Plant Tour Date:Wednesday, April 29, 2015Time:1:00pm—3:00pm Free PWD manages and treats Philadelphia wastewater, which includes the upkeep of more than 3,000 miles of sewer. We use a system of combined sewers in half of our neighborhoods and […] Previous Day Next Day Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file
