Chino II Desalter Expansion


SCH Number
Public Agency
Western Municipal Water District
Document Title
Chino II Desalter Expansion
Document Type
NOE - Notice of Exemption

Document Description
The project being considered for approval by the Western Municipal Water District (WMWD or District) is the installation of the two RO treatment trains and support facilities. These two new RO treatment trains will be integrated into the existing treatment system at the Chino II Desalter. New cartridge filters and a third decarbonation unit will also be installed. All of these facility modifications will occur within existing structures or within the Chino II Desalter footprint. No new undisturbed areas will be impacted by the proposed project as all facilities will occur within the graded footprint of the Chino II Desalter facility. Existing pipelines and other facilities have been sized to accommodate the proposed treatment of an additional 10.5 mgd of raw water that will be delivered to the Desalter from existing wells and future wells that remain to be developed.

Contact Information
Jack Safely
Western Municipal Water District
Lead/Public Agency
450 Alessandro Boulevard
Riverside, CA 92508

Phone : (951) 789-5068


Other Location Info
Unincorporated community of Mira Loma

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301(b)
Reasons for Exemption
The proposed expansion of the treatment facilities at the Chino II Desalter has no potential to cause significant adverse effects on the environment and will ensure the facility continues to operate without equipment or process failure. The proposed installation and operation of the Chino II Desalter expansion facilities have been determined not to have a potential to cause significant adverse environmental effects as a result of any of the exceptions. Therefore, this proposed action is not forecase to cause any adverse potential for significant environmental impacts and qualifies with the requirements for Class 1 exemption.

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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