ALCOSAN’s Annual Open House is one of the highlights of the year! The free event brings thousands of our customers and neighbors to the treatment plant to learn about the important work that ALCOSAN does for our region, as well as enjoy fun, hands-on exhibits about different environmental issues.

When & Where

Each year in September at ALCOSAN’s plant on Pittsburgh’s North Side.

Things to Do

  • Tour ALCOSAN’s treatment plant and laboratory
  • Visit 50+ exhibits from community and environmental groups and government agencies
  • Enjoy lunch served by ALCOSAN staff and volunteers

See the Fun

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Young girl sitting with Frankie the fish
Annual Open House

Learn more about our free annual open house event.

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