Canvassers from the coalition Pittsburgh United have been knocking on doors in Sharpsburg to alert residents about a multibillion-dollar project by the Allegheny County Sanitary Authority that potentially could double sewage rates for many of its customers.
Alcosan officials are proposing a $4 billion to $6 billion option to keep raw sewage out of the three rivers by sinking mammoth holding tunnels along the rivers from Emsworth to Etna and Braddock that would store sewage overflow during heavy wet weather.
