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ALCOSAN's GROW Program Announcement

September 27, 2019 – The Allegheny County Sanitary Authority continues its commitment to green infrastructure and source control, as the Authority’s Board of Directors today approved $9,733,836 in grant offers as part of the fourth round of the Green Revitalization of Our Waterways (GROW) program. The board also voted to increase the award cap to $10 million per project, up from the original $2 million per project, per cycle.

ALCOSAN Summer Camps Begin

June 11, 2018 - Always a popular event and completely full this year, ALCOSAN's Summer Science Camp is expecting 59 students in grades 4-5 from 48 different schools in Allegheny County who will take part in the two camps beginning June 11 and June 18.

ALCOSAN Continues Analysis for Clean Water Plan

June 1, 2018 – The Allegheny County Sanitary Authority (ALCOSAN) will be conducting its second round of technical analysis in preparation for a massive improvement plan for cleaner, healthier rivers and streams in the region.

ALCOSAN announces leadership in Communications, Governmental Affairs

May 21, 2018 – As ALCOSAN continues its work keeping the region’s rivers and streams clean for generations to come, the authority today announced two leadership changes in an effort to better serve its municipal customers and the community at large.

ALCOSAN's Prevost Named Civil Engineer of the Year

February 8, 2018 – Working diligently to bring solutions to the region’s issue of overflows caused by excess groundwater and stormwater, ALCOSAN’s Tim Prevost has been named the 2017 Civil Engineer of the Year by the Pittsburgh Section of the American Society of Civil Engineers (ASCE).

ALCOSAN’s GROW Program Receives National Award

February 8, 2018 – ALCOSAN's GROW Program has been selected to receive a 2018 National Environmental Achievement Award by the National Association of Clean Water Agencies (NACWA).

ALCOSAN Announces New Rates, Which Are Lower Than Previous Estimates

November 17, 2017 – The Allegheny County Sanitary Authority Board of Directors yesterday approved a four-year rate structure that will pay for the Clean Water Plan to improve the quality of the water in the region’s rivers and streams. These increases are significantly lower than previously estimated.


October 27, 2017 – The Allegheny County Sanitary Authority Board of Directors has completed its second round of funding for the innovative work that began earlier this year when ALCOSAN launched its Green Revitalization of Our Waterways program.

ALCOSAN Wins its Division in Green Workplace Challenge

September 15, 2017 –ALCOSAN is thrilled by its selection as a winner in the Pittsburgh Green Workplace Challenge.

Learn to Prepare for Emergencies at ALCOSAN's Open House

September 14, 2017 – With all of the danger and damage caused by this season’s powerful hurricanes, it’s no wonder many people have questions about what they can do to remain safe in the event of an emergency. During the 15th annual Open House on Saturday, ALCOSAN will host the Allegheny County Emergency Preparedness Booth with interactive games, educational resources and industry professionals on hand to discuss preparedness goals and initiatives.

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Sewer Overflow Advisory key: Wet Weather overflows have ceased. Rivers, streams and creeks may still be impaired. For more information:

Customer Care at ALCOSAN, we believe it's our duty and privilege to protect, recover and reuse our most valuable resources for the benefit of our customers.

Consent Decree: To comply with provisions set forth in the Clean Water Act, ALCOSAN must meet a series of requirements for planning, design and construction, operation and permitting. For more information

Watershed Education: Leave small leftovers of paint and solvents to dry rather than pouring them down the drain. Learn more

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3300 Preble Avenue
Pittsburgh, PA 15233
(412) 766-4810