Operation of Department of Homeland Security (DHS) Calexico - TTHM Reduction Project


SCH Number
Public Agency
State Water Resources Control Board
Document Title
Operation of Department of Homeland Security (DHS) Calexico - TTHM Reduction Project
Document Type
NOE - Notice of Exemption
Document Description
The DHS Calexico proposes to install a Total Trihalomethane removal system within the existing water treatment plant. Construction will consist of installing a floating, storage and distribution storage tank, installation of a two-horsepower blower unit motor on the roof of the storage tank for ventilation, and excavation of a shallow trench (40' x 1') to install a power supply to the sprayer and air blower.

Contact Information

Sean Sterchi
Agency Name
State Water Resources Control Board
Contact Types
Lead/Public Agency


Cross Streets
536 Barbara Worth Rd, Calexico, CA

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1-S: 15301
Reasons for Exemption
Minor alteration to an existing facility, and involves no expansion of use beyond that existing at the time of the lead agency's determination

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 state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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