Santiago Hills Zone 5 Tank Leak Repair
Summary
SCH Number
2025091098
Public Agency
Irvine Ranch Water District
Document Title
Santiago Hills Zone 5 Tank Leak Repair
Document Type
NOE - Notice of Exemption
Received
Posted
9/24/2025
Document Description
The project involves rehabilitation of a buried prestressed concrete potable water storage tank. The purpose of the project is to address a known leak in the tank and restore the tank to operational capacity. Rehabilitation would involve the spray application of NSF 61 compliant coating systems over the interior floor and wall joints of the tank. No expansion of the existing or former use of the tank is proposed, and the tank would continue to have the same capacity upon project completion.
Contact Information
Name
Emily Le
Agency Name
Irvine Ranch Water District
Job Title
Environmental Compliance Analyst
Contact Types
Lead/Public Agency / Parties Undertaking Project
Phone
Email
Location
Coordinates
Cities
Irvine
Counties
Orange
Regions
Citywide
Cross Streets
Santiago Canyon Road and Jamboree Road
Zip
92602
State Highways
SR 241, SR 261
Schools
Chapman Hills Elementary School, Panorama Elementary School
Waterways
Santiago Creek
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, CEQA Guidelines Section 15301
Reasons for Exemption
The proposed project is exempt from the California Environmental Quality Act (CEQA) because the action involves the repair, maintenance, and minor alteration of existing public utility facilities and mechanical equipment involving no expansion of existing or former use, as authorized under the California Code of Regulations, Title 14, Division 6, Chapter 3, Section 15301 (Class 1 “Existing Facilities”). Class 1 exempts from CEQA review any project involving the operation, repair, maintenance, permitting, leasing, licensing, or minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of existing or former use, such as existing facilities of publicly owned utilities used to provide public utility services. In addition, pursuant to Section 15300.2 of Title 14 of the California Code of Regulations, none of the exceptions to the use of a categorical exemption under CEQA are applicable.
County Clerk
Orange
Attachments
Notice of Exemption
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