Pittsburgh’s Siting Tool for Stormwater Improvements

The nonprofit organization 3 Rivers Wet Weather helped Allegheny County Sanitary Authority conduct a study on the feasibility of using green infrastructure as a cost-effective, long-term sustainable solution for Pittsburgh’s wet weather problems. Water resources engineers from the organization turned to an EPA tool for help identifying specific “best management practices” (BMPs) for the area: EPA’s BMP Siting Tool. “Gray infrastructure” (or man-made traditional infrastructures), the distribution systems and pipes throughout the city, is expensive to replace or upgrade. In

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Alcosan’s Water Advisory System

The Alleghany County Sanitary Authority (ALCOSAN) was created in 1946 under the Pennsylvania Municipal Authorities Act and began treating wastewater in 1959. Secondary (biological) treatment processes were added in 1972. The Authority is governed by a seven-member Board of Directors – three appointed by the Mayor of the City of Pittsburgh, three appointed by the Allegheny County Chief Executive and one joint appointment.  ALCOSAN’s 59-acre treatment plant is one of the largest wastewater treatment facilities in the Ohio River Valley,

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