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Conserving Northern California's natural resources since 1957.
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Clover Creek/Millville Diversion Restoration (33-16a) 

Due to changes in the environmental condition of Clover Creek, water flow is lower in the creek and to the properties in Millville. The goal of this project is to provide for salmon and steelhead passage passed the Millville diversion dam in order to access upstream spawning and rearing habitat.


The project started in 2007 and was completed in October 2016. This project is a partnership with the Millville Ditch Association, California Department of Fish and Wildlife, CA Department of Water Resources, US Fish and Wildlife Service, Cow Creek Watershed Management Group, and the Natural Resources Conservation Service. Learn more about this project at California Salmon Snapshots


Project components include:

  • Construction of two fish ladders 
  • Replacement of an inverted siphon
  • Reinforcing the diversion dam
  • Gravel augmentation
  • Installation of aquatic cameras to monitor fish populations.


Clover Creek Fish Screen (33-16b) 

In addition to the Millville diversion dam project in 33-16a, this project installed a fish screen in the structure. The screen's purpose is to keep fish from entering the irrigation canals. This project is a partnership with the US Fish and Wildlife Service.

Completed project (Photo taken October 25, 2016)

Completed project at Clover Creek. Photo taken October 25, 2016


The fish screen being installed. Photo taken September 9, 2016.