Salinity and Groundwater Enhancement (SAGE)


SCH Number
Public Agency
Yucaipa Valley Water District
Document Title
Salinity and Groundwater Enhancement (SAGE)
Document Type
NOE - Notice of Exemption
Document Description
The Yucaipa Valley Water District proposes to modify the existing Henry N. Wochholz Regional Water Reclamation Facility (WRWRF) to produce water for groundwater recharge in accordance with Article 5.2 of the State of California Groundwater Replenishment Regulations. The existing facility produces Title 22 reclaimed water using microfiltration with partial reverse osmosis to adjust salinity to comply with the Groundwater Basin Plan. The upgraded treatment facility would include Full Advanced Treatment, consisting of reverse osmosis and advanced oxidation to produce water that is suitable for direct injection into groundwater basins. The facility will be able to produce non-potable water for reuse or for groundwater replenishment. The build-out capacity would be 7.4 million gallons per day (mgd), based upon the 8.0 mgd microfiltration permeate build-out capacity at WRWRF. Project components include additional and improved secondary treatment facilities (additional secondary clarifiers and returned activated sludge improvements), tertiary clarifiers, and a full advanced treatment system (reverse osmosis expansion, relocation of the UV system, and advanced oxidation process. Decarbonation and lime stabilization will be needed to stabilize the effluent from the RO treatment system prior to discharge to the non-potable water/groundwater system. All project components would be constructed in existing paved areas or installed in existing buildings at the WRWRF.

Contact Information

Jennifer Ares
Agency Name
Yucaipa Valley Water District
Job Title
Water Resource Manager
Contact Types
Lead/Public Agency / Project Applicant


San Bernardino
Other Location Info
Henry N. Wochholz Regional Water Recycling Facility 880 West County Line Road

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 3(d), Section 15303 New Construction or Conversion of Small Structures
Reasons for Exemption
The Project involves the construction and location of limited numbers of new, small facilities or structures; installation of small new equipment and facilities in small structures; or the conversion of existing small structures from one use to another where only minor modifications are made in the exterior of the structure. The Project involves upgrading an existing water reclamation facility by adding additional and improved equipment and facilities.
County Clerk
San Bernardino


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