Where does water from your bathtub, toilet and sinks go once it goes down the drain?  Where does rainfall or melting snow go after flowing down the storm drains along the curbs on your street?  How does a combined sewer system work?  How is sewage transformed into clean water?

Take a look below to learn more about wastewater collection, flow and treatment, and the product recovery and resuse incorporated into the process.

How It Works

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Quick Links

Water drops with cross on them
About Compliance

ALCOSAN must meet a series of requirements to comply with the Clean Water Act

Explore the Consent Decree
Toilet
Follow the Flush

See the path wastewater takes to the ALCOSAN treatment facility from any address within the ALCOSAN Service Area

Flush It

From Wastewater to Clean Water

See How it Works