Permitting and Operation of the Arsenic Removal Project for Well 4 & 36


SCH Number
Public Agency
California Department of Public Health (CDPH)
Document Title
Permitting and Operation of the Arsenic Removal Project for Well 4 & 36
Document Type
NOE - Notice of Exemption

Document Description
Searles Valley Minerals has constructed and installed a new coagulation - filtration treatment plant for the removal of arsenic for existing Wells 4 & 36. The treatment plant will consist of six 300 GPM filtration vessels, one 1,550 gallon sulfuric acid storage tank, one 405 gallon sodium hydroxide tank, one 405 gallon ferric chloride tank, one 1,550 gallon sodium hydrochlorite tank, one 53,000 gallon settling tank, one 34,000 gallon backwash tank, one 100 GPM feed tank, and one 1,000 gallon backwash tank. Two 16-inch HDPE pipelines 800 feet in length and two 10-inch HDPE pipelines 1,300 feet in length will also be constructed within the boundaries of the Searles Valley Minerals Westend facility.

Contact Information
Sean McCarthy
California Department of Public Health
Lead/Public Agency
CDPH San Bernardino District Office 464 W, 4th Street, Room 437
San Bernardino, CA 92401

Phone : (909) 383-4328


San Bernardino
Other Location Info

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301 -Class 1
Reasons for Exemption
The new arsenic treatment plant will be located within the grounds of the Searles Valley Minerals facility and will not expand the capacity of the existing water system.

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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