ALCOSAN is committed to providing wastewater treatment services 24 hours a day, seven days a week. From our Board of Directors to our Executive Director, leadership and staff; we work to enhance the community’s quality of life and safety by protecting our rivers and streams. After 60 years of continued design, construction and operations of the sewer system and treatment plant, we now have 400 plus employees serving residential, commercial and industrial customers in 83 communities throughout Allegheny County.

Our Mission

To provide cost effective, customer oriented and environmentally conscious wastewater treatment that protects public health and enhances the use of our natural resources.

59 Physical Plant Acres

400 Employees

195 Average Million Gallons of Daily Flow

130000 Gallons Discharge to Ohio River