Modification of Processes at Sierra Del Oro Water (SDO) Treatment Plant


SCH Number
Public Agency
City of Corona
Document Title
Modification of Processes at Sierra Del Oro Water (SDO) Treatment Plant
Document Type
NOE - Notice of Exemption
Document Description
The modification to SDO WTP will be the addition of plastic floating Bird Balls to the flocculation and sedimentation basins, switching to chloramines as a primary and secondary disinfectant, and the addition of baffle curtains to the existing reservoirs. These modifications will help the City in continuing to provide high quality water as well as staying in compliance with the Long Term 2 Enhanced Surface Water Treatment Rule and Stage 2 Disinfectants and Disinfection Byproducts Rule.

Contact Information

Rudy Fandel
Agency Name
City of Corona
Contact Types
Lead/Public Agency


Other Location Info
2940 Wilderness Circle

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1 - Existing Facilities
Reasons for Exemption
This project is exempt because it is minor modifications/alterations to the water treatment process and this project involves negligible to no expansion of use beyond that existing.

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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