Official website of the State of California
https://www.spk.usace.army.mil/Missions/Water-Control/
https://www.youtube.com/watch?v=cCZWkMXJwQE
https://www.spk.usace.army.mil/Portals/12/documents/Blueprint/blueprint_2021v2.pdf?ver=hUPmFaucLZLrBagMfdfP3A%3d%3d