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CALMS store

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or, Donate!

As it lay there with the shadows of the mountains brilliantly photographed upon its still surface, I thought it must surely be the fairest picture the whole earth affords.”
- Mark Twain, at Lake Tahoe

WHAT WE DO

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

california lake management society

OUR EVENTS

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.

GET INVOLVED

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

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