Oroville Dam River Valve Chamber Pressure Relief Wall Replacement


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
Oroville Dam River Valve Chamber Pressure Relief Wall Replacement
Document Type
NOE - Notice of Exemption
Document Description
The Department of Water Resources proposes to repair a portion of the river valve chamber in Oroville Dam/Hyatt Powerplant. The project includes installing a new pressure relief wall (center section), reinstalling and reinforcing the existing side sections of the pressure relief wall, and recoating the wall side sections.

Contact Information

Stacy Cepello
Agency Name
California Department of Water Resources
Contact Types
Lead/Public Agency



Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1 Section 15301 (b)(m)
Reasons for Exemption
Class 1, Section 15301 exempts the repair, maintenance, or minor alternation of existing structures and facilities that do not expand the existing uses. Subsection (b) specifically relates to maintenance or repair of existing facilities that provide electric power and subsection (m) addresses repairs to existing dam and appurtenant structures under the supervision of the Department of Water resources. The project consists of repairs to structures within Oroville Dam and Hyatt Powerplant. the location of the facilities will remain the same and there will be no change in the capacity or expansion of use.

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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