Cache Creek Stream Restoration (Lake or Streambed Alteration Agreement No. 1600-2017-0065-R2)

Cache Creek Stream Restoration (Lake or Streambed Alteration Agreement No. 1600-2017-0065-R2)

CDFW has executed lake and streambed alteration agreement no. 1600-2017-0065-R2, pursuant to section 1602 of the fish and game code to Yocha Dehe Wintun Nation. The project is limited to creation of a low-flow stream flood terrace on the outside of a bend on Cache Creek. The terrace will be approx 10 ft wide by approx 440 lf and will abut the existing west side bank of Cache Creek. Once rock and materials have been placed to create the terrace it will be vegetated with native riparian plant species, primarily willows. In addition, four redirective stone bendway weirs will be constructed to extend perpendicular out from the toe of the terrace approx 12 ft into the creek. Additionally, repair and restoration activities will be conducted on a previously constructed to extend perpendicular out from the toe of the terrace to bring it up to a height of between 12 and 16 (160 in above the ordinary high water mark (OHWM)) for Cache Creek. A fifth bendway weir will be constructed immediately upstream of the existing terrace to further protect the terraces, (proposed, and existing) from further washing or significant damage during high flow regimes. Heavy equipment will access the sites from the top of the existing banks along the creek. Heavy equipment will not enter the waters of the creek to conduct the operations.

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