ALCOSAN provides cost-effective, environmentally conscious wastewater treatment to protect public health and enhance the use of our natural resources.
We operate, maintain, manage, design and build wastewater infrastructure.
ALCOSAN, municipalities and homeowners all play a significant role in the collection of wastewater and the protection of our waterways.
Find out if you are an ALCOSAN customer.
See when our next board meeting, community event, Open House or other activity will be held.
Working with community leaders and municipalities to reduce the wastewater/stormwater overflow problem.
Green Revitalization of our Waterways
Considering future infrastructure needs
Taking responsibility for more infrastructure
Increasing our treatment capacity
Meet Frankie. Along with his friends, Frankie explains how we can keep our rivers clean.
There are a variety of different ways to get involved with ALCOSAN throughout the year.
We encourage new businesses to work with us.
View open bids
We offer a variety of programs for teachers & families.
See what's available
ALCOSAN Board meetings are open to the public.
See the schedule
Million of Gallons of Daily Wastewater Treatment Capacity
Sewer System Miles and Growing
Jan 7, 2020
Feb 01, 2020
Jan 23, 2020
ALCOSAN’s Scholastic Outreach Program provides environmental awareness for students, teachers & communities, all within ALCOSAN’s service area.