The ALCOSAN Combined Sewer Remediation Project
Last week’s column on the replacement of the Commercial Street Bridge described an impressive local engineering project; this week we would like to discuss another equally impressive project, the ALCOSAN Combined Sewer Remediation Project. This project has a much broader significance; cleaning up the Ohio River affects millions of people downstream. It is also significant to the folks who will be footing the (estimated!) two billion dollars bill to pay for it – all of us ALCOSAN customers. ALCOSAN is the acronym for the Allegheny County Sanitary Authority, an organization with eighty-three customers – the city of Pittsburgh and eighty-two…








