ALCOSAN aerial photo with bridge
COVID-19 Update From ALCOSAN

Due to the pandemic, ALCOSAN is live streaming public meetings. Click the learn more button to view.

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3 Rivers Proud Newsletter - ALCOSAN
3 Rivers Proud News

Check out our brand new quarterly newsletter!

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Water droplet being recycled
Who We Are

ALCOSAN provides cost-effective, environmentally conscious wastewater treatment to protect public health and enhance the use of our natural resources.

Get To Know Us

Clean Water Plan

Changes and Upgrades Benefiting the Region's Waterways

Working with community leaders and municipalities to reduce the wastewater/stormwater overflow problem.

See Our Plan

 

Stormwater protection with native plants and gravel
GROW Projects

Green Revitalization of our Waterways

About GROW
Person using a tool to open a utility hole cover
Regionalization Program

Taking responsibility for more infrastructure

See our progress
Stormwater overflowing out of a metal and wood door into an outside runoff area
Preliminary Planning Information

Considering future infrastructure needs

How we plan
Demolition of a small building on the ALCOSAN campus
Plant Expansion Projects

Increasing our treatment capacity

See the changes

Get Involved with ALCOSAN.

There are a variety of different ways to get involved with ALCOSAN throughout the year.

Business Opportunities

We encourage new businesses to work with us.

View open bids

Summer Camp & Educational Experiences

We offer a variety of programs for teachers & families.

See what's available

Attend a Board Meeting

ALCOSAN Board meetings are open to the public.

See the schedule

1948

ALCOSAN Established

83

Municipalities Serviced

250

Millions of Gallons of Daily Wastewater Treatment Capacity

90

Sewer System Miles and Growing

Exploration & Education

Educating Our Community

ALCOSAN’s Scholastic Outreach Program provides environmental awareness for students, teachers & communities, all within ALCOSAN’s service area.

A group of school kids gardening