COWA increases public awareness and information encouraging localized water solutions...


We promote best management practices for system installations, operations and maintenance...
We help to streamline and modernize regulatory standards for onsite water technologies...


…and we support legislation and policy that embrace localized water as part of a comprehensive, sustainable management plan.
Join us in promoting safe, effective, and water-saving practices, site by site.
Education
COWA provides integrated water reuse trainings for designers, practitioners, and regulators throughout California. We offer CEUs for practitioners and regulators.
Community
Join the coalition of partnering NGOs who collaborate on up-to-date and new training resources to reach optimum onsite resilience for all California communities.
News
Sign up for our FREE quarterly newsletter Onsite Insite. We’ll keep you up-to-date on changes to legislation, coding, and industry news in California and the Western US.