Toro Water System Arsenic Treatment Plant


SCH Number
Public Agency
California Department of Public Health (CDPH)
Document Title
Toro Water System Arsenic Treatment Plant
Document Type
NOE - Notice of Exemption
Document Description
The project includes installation and operation of an Arsenic Removal Treatment Plant. The water from wells containing Arsenic, Iron, and Manganese will be chemically treated with sodium hypochlorite and ferric chloride prior to entering a filter vessel. The filtered water will be treated with Sodium Hydroxide. The filter backwash water will be discharged to a reclaim tank. The supernatant from the reclaimed tank will be recycled back to the plant headworks. After all backwash water from the reclaimed tank is recycled, sludge containing Arsenic, Iron, and Manganeses will be pressed into a landfill disposible filter-cake. Total flow rate for the treatment plant will be 600gpm.

Contact Information

David J. R. Mack
Agency Name
California Department of Public Health
Contact Types
Lead/Public Agency


Other Location Info

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301 - Class 1
Reasons for Exemption
Minor alteration to privately owned utilities used to provide public utility services, involving no expansion of use.

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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