Visit the new

CALMS store!

Join us today in managing, researching and protecting California's lakes!

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

california lake management society

The  upcoming CALMS annual conference will be convened in San Diego, October 2019, connecting industry peers with the latest science.

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