ALCOSAN is one of the region’s premier environmental and public health organizations, treating wastewater for 83 Allegheny County communities, including the City of Pittsburgh. ALCOSAN’s 59-acre treatment plant, located on Pittsburgh’s North Side, processes up to 250 million gallons of wastewater daily and is one of the largest such facilities in the Ohio River Valley.
Learn more about what we do.
We treat wastewater to remove harmful pollution.
We adhere and enforce all permit requirements to protect public health and the environment.
We coordinate with service area municipalities and government agencies and officials.
We keep the plant running smoothly 24/7.
We manage, plan, design and construct infrastructure projects.
We safeguard Authority assets including personnel and the physical plant.
We manage and maintain the sewer system serving 83 municipalities.
We educate and inform the public about the work ALCOSAN performs.
310 Service Area in Square Miles
12 Hours of Treatment Processing
250 Million Gallons of Water Plan Capacity Each Day
20000 Students Reached