Robert B. Diemer Filtration Plant Improvements Project

10 Documents in Project


SCH Number
Lead Agency
San Luis and Delta Mendota Water Authority
Document Title
Robert B. Diemer Filtration Plant Improvements Project
Document Type
NOP - Notice of Preparation

Document Description
Metropolitan is proposing minor modifications to its adopted Improvements Project for the Diemer Plant, which include construction schedule changes, use of alternative water treatment technologies, minor facilities modifications or additions, and the relocations of some planned and/or existing facilities. These project modifications are necessary to ensure that the Diemer Plant meets current and future water quality treatment standards; increases its residuals (solids) processing capabilities; and ensures Plant safety and reliability.

Contact Information
Deirdre West
Metropolitan Water District of Southern California
Lead/Public Agency
700 N. Alameda Street
Los Angeles, CA 90012

Phone : (213) 217-6696


Yorba Linda
Total Acres

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities
Project Issues
Aesthetics Air Quality Cumulative Effects Drainage/Absorption Hazards & Hazardous Materials Hydrology/Water Quality Noise Public Services Recreation Transportation Vegetation Wetland/Riparian Wildlife
Reviewing Agencies
California Department of Fish and Wildlife, South Coast Region 5 (CDFW) California Department of Parks and Recreation California Department of Transportation, District 12 (DOT) California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB) California State Lands Commission (SLC) Department of Water Resources Resources Agency State Water Resources Control Board, Division of Water Rights State Water Resources Control Board, Divison of Financial Assistance California Native American Heritage Commission (NAHC) California Department of Health Care Services (DHCS)

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.

Download CSV New Search Print