Annual Maintenance of the Etiwanda Pipeline and Hydroelectric Plant


SCH Number
Public Agency
Metropolitan Water District of Southern California
Document Title
Annual Maintenance of the Etiwanda Pipeline and Hydroelectric Plant
Document Type
NOE - Notice of Exemption

Document Description
Metropolitan proposes maintenance of the Etiwanda Pipeline including repair or replacement of three 20-inch butterfly valves at Stations 1+03, repair or replacement of a 12-inch butterfly valve at Station 259+00, repair of the #1 conical plug valve at the Etiwanda Facility, and inspection of the reservoir liner. Minimal water discharge will occur into existing concrete-lined storm drains in order to accommodate the maintenance activities. Maintenance of the Etiwanda Hydroelectric Plant would include maintenance and testing of the hydrogenerator and electrical equipment, trip testing of all permissive devices, electrical testing, inspection and cleaning in the high voltage switchyard, and inspection of carbon seals and bearings.

Contact Information
Laura Simonek
Metropolitan Water District of Southern California
Lead/Public Agency
P.O. Box 54153
Los Angeles, CA 90054-0153

Phone : (213) 217-6242


Rancho Cucamonga
San Bernardino

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
sec. 15301, 15309
Reasons for Exemption
The proposed project consists of minor modifications to existing public facilities with no expansion of use beyond that at the time of the lead agency's determination and activities limited entirely to inspection, to check for performance of an operation.

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 or via phone at (916) 445-0613.

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