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CALMS store!


“Where the waters do agree, it is quite wonderful the relief they give”  -Jane Austen

CALMS and its members work in a myriad of ways to manage, research and protect lakes and reservoirs across California. 

california lake management society

We host an annual conference, typically in October, and more frequent topic-focused Webinars. These events connect lake managers, academic researchers, regulators, industry peers, and other water resource management professionals.

Become a member, sponsor, or donate, today! Have a question or comment? Reach out to us, we'd like to hear from you.