Wastewater

  • Two Wastewater Treatment Plants: Back River and Patapsco
  • There are 3,100 miles of sanitary mains in the whole system. We maintain the 1,400 miles in Baltimore City.
  • ¬†Collects and treats an average flow of 200 million gallons wastewater daily (Back River design flow 180 MGD; average flow 132 MGD. Patapsco design flow 73 MGD; average flow 63 MGD).
  • Operates eight (8) major wastewater pumping stations and 10 (ten) minor installations