Allegheny County Sanitary Authority (ALCOSAN)

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

Please join us virtually today at 2:00p for the ALCOSAN Biosolids meeting. Learn about our stewardship efforts in creati...
10/13/2026

Please join us virtually today at 2:00p for the ALCOSAN Biosolids meeting. Learn about our stewardship efforts in creating sustainable practices in wastewater treatment.

Watch here: https://bit.ly/3VwgyFr

Thank you to everyone who joined us in the City of Pittsburgh & McKees Rocks for our recent Ohio River Tunnel (ORT) publ...
10/09/2026

Thank you to everyone who joined us in the City of Pittsburgh & McKees Rocks for our recent Ohio River Tunnel (ORT) public meetings!

As we prepare for the next phase of this important infrastructure investment project, we’re committed to keeping our communities informed, answering questions, & sharing what residents can expect along the way.

We appreciate everyone who took the time to attend, ask questions, & learn more about the project. We hope you walked away with helpful information & a better understanding of what’s ahead.

Before we dig, let’s talk! 🦺Join ALCOSAN for a community meeting before construction begins on the Ohio River Tunnel. Le...
09/30/2026

Before we dig, let’s talk! 🦺

Join ALCOSAN for a community meeting before construction begins on the Ohio River Tunnel. Learn about the project, ask questions, and connect with our team.

📅 October 6 — Pittsburgh
📅 October 8 — McKees Rocks

Check the flyers for locations, meeting hours, and presentation times.

Learn more: www.alcosandigscleanwater.com

Join us in person or virtually this afternoon for ALCOSAN’s monthly Board Meeting.Tune in at 4:30 to follow along with ...
09/24/2026

Join us in person or virtually this afternoon for ALCOSAN’s monthly Board Meeting.
Tune in at 4:30 to follow along with the latest Authority business.
Watch virtually: https://bit.ly/4dvOjwu

we’re ready for you! happy Open House day!! 🙌🌊9a-4p
09/19/2026

we’re ready for you!
happy Open House day!! 🙌🌊
9a-4p

09/19/2026

super excited for open house tomorrow! we get to talk nerdy to you guys about what we do & where we’re headed…. goodnight, & see ya tomorrow! 🙌

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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