Collaboration Starts Here

CASSE membership connects your agency to a statewide network of wastewater professionals committed to sharing knowledge, advancing best practices, and supporting operational excellence throughout California.

Membership Benefits

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Network with top industry professionals and agencies
Worker operating sewer cleaning truck on street.
Access benchmarks and best management practices
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Use a members-only portal with technical documents and surveys
Worker cutting large pipe in trench.
Collaborate through members-only distribution lists and discussion threads
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Participate in monthly teleconferences and in-person meetings with experts
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Coordinate with other industry organizations for greater impact
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Commitment to Participation

Membership in CASSE is free, ensuring accessibility for all qualified agencies across California. The only commitment we ask is active participation, signing the CASSE Charter, and a willingness to share non-confidential information with fellow member agencies. By joining, you help build a stronger, more connected, and more efficient wastewater management community.

Begin Your Membership Journey Today

Ready to join CASSE? Join a collaborative network committed to advancing sewer system excellence across California.

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Consent CASSE Charter
By checking "Yes" at the bottom of this form, I acknowledge that I have read the Charter and understand its contents. By checking the box below, the representative of the Member Agency listed is indicating the Member Agency’s willingness to: • Actively participate in the work of CASSE; • Assist in achieving CASSE’s Mission and Vision; • Abide by the terms outlined in the Charter; and • Support the improvement of sanitary sewer collection system agencies throughout California.