Operation of Lenian WTP Improvement Project (Project)

4 Documents in Project


SCH Number
Lead Agency
Anaheim, City of (City of Anaheim)
Document Title
Operation of Lenian WTP Improvement Project (Project)
Document Type
NOD - Notice of Determination

Document Description
The City proposed Project included improvements to roads and pipelines, slopes and drainage, lighting and security, and improvements to plant processes, a wash-water recovery facility and chemical feed and storage facilities in the water treatment system. New facilities included electric vehicle charging stations, a new backup generator, and a new reservoir outlet structure building. Facilities planned for replacement included the reservoir outlet structure valve, and the north inlet structure manhole and valve. The boat ramp at the reservoir was also rehabilitated. Specific activities related to the water supply permit include: 1. Installation of permanganate treatment facilities at the Walnut Canyon Reservoir outlet structure. 2. Connecting the wash-water return to Walnut Canyon Reservoir via the 18-inch Concrete Cylinder Pipe (CCP) by-pass line.

Contact Information
Ashley Dummer
State Water Resources Control Board (State Water Board)
Santa Ana District 2 MacArthur Place, Suite 150
Santa Ana, CA 92707

Phone : (714) 558-4706


Other Location Info
6751 East Walnut Canyon Road at Walnut Canyon Reservoir, Anaheim, Orange County

Notice of Determination

Approving Agency
State Water Board
Approving Agency Role
Responsible Agency
Approved On
Final Environmental Document Available at
This is to certify that the record of permit issuance for the Project is available to the general public at the State Water Board, Division of Drinking Water District Office noted above. The MND is available from the lead agency.


(1) The project will have a significant impact on the environment
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
(3) Mitigated measures were made a condition of the approval of the project
(4) A mitigation reporting or monitoring plan was adopted for this project
(5) A Statement of Overriding Considerations was adopted for this project
(6) Findings were made pursuant to the provisions of CEQA


Notice of Determination
2018031046_Anaheim NOD-LWTP   PDF 485 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, 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. For more information, please visit OPR’s Accessibility Site.

Download CSV New Search Print