Allegheny County Sanitary Authority (ALCOSAN)

Allegheny County Sanitary Authority (ALCOSAN) Providing wastewater treatment for 83 municipalities including the City of Pittsburgh. Operating since 1959. Home of Frankie the Fish 🐠

09/15/2026

do ALCOSAN employees have a direct line to the wet well?

well, let’s just say our flush has a VERY short commute.

follow your flush to ALCOSAN’s Open House this Saturday, Sept. 19. 🙌🚽✨

yes, we’re inviting you to a wastewater treatment plant on a Saturday.

yes, you should come.

Join us virtually this afternoon for ALCOSAN’s Green Committee Meeting. 🌱Tune in at 2:00p for the latest on environment...
09/15/2026

Join us virtually this afternoon for ALCOSAN’s Green Committee Meeting. 🌱
Tune in at 2:00p for the latest on environmental initiatives at ALCOSAN.
Watch here: https://bit.ly/46Avt3L

25 years.We remember those we lost.We honor those who answered the call.We hold close the families and communities forev...
09/11/2026

25 years.

We remember those we lost.
We honor those who answered the call.
We hold close the families and communities forever changed.

September 11, 2001.

We will never forget.

Join us virtually at 2 p.m. for ALCOSAN’s Professional Services Committee Meeting.https://bit.ly/4xm0WBj
09/10/2026

Join us virtually at 2 p.m. for ALCOSAN’s Professional Services Committee Meeting.
https://bit.ly/4xm0WBj

rare footage of wastewater workers above ground. huge thank you to our people in the Local 433 (UWUA) and the Local 249 ...
09/07/2026

rare footage of wastewater workers above ground.

huge thank you to our people in the Local 433 (UWUA) and the Local 249 (Teamsters), keeping things moving underground behind-the-scenes and protecting critical infrastructure.

happy Labor Day! 🇺🇸

we see plenty of signs that we're doing our job right: clean water, a well-functioning facility, etc. tomatoes growing o...
08/21/2026

we see plenty of signs that we're doing our job right: clean water, a well-functioning facility, etc. tomatoes growing out of the parking lot, however, are a little less expected. 🍅

apparently, wastewater tomatoes are a thing.

come see what else is growing at the plant at Open House on Saturday, September 19th!

HISTORICAL THROWBACK: these are the original pumps from ALCOSAN's Main Pump Station, photographed during the early years...
08/18/2026

HISTORICAL THROWBACK: these are the original pumps from ALCOSAN's Main Pump Station, photographed during the early years of the treatment plant. how do you move hundreds of millions of gallons of wastewater through a giant treatment plant every day?

very, very large pumps! the Main Pump Station is where the wastewater treatment process begins -- that part hasn't changed.

today, six massive pumps with a combined 12,000 horsepower move wastewater into the treatment process. currently, ALCOSAN treats up to 295 million gallons of wastewater daily! 🙌

here we go! 🖤💛preseason mode activated.
08/13/2026

here we go! 🖤💛
preseason mode activated.

ROOTED in community! 🌱Last week, we brought together thought partners, local leaders, and neighbors from across the regi...
08/12/2026

ROOTED in community! 🌱

Last week, we brought together thought partners, local leaders, and neighbors from across the region to connect, share ideas, & strengthen the relationships that help move our region forward.

Thank you to everyone who joined us and shared their perspectives.

Interested in future professional development and educational growth? Register for ROOTED sessions here: bit.ly/45VootZ

Address

3300 Preble Avenue
Pittsburgh, PA
15233

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+14127664810

Website

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