SCADA Radio Upgrade Project


SCH Number
Public Agency
City of Santa Cruz
Document Title
SCADA Radio Upgrade Project
Document Type
NOE - Notice of Exemption
Document Description
The City of Santa Cruz Water Department (SCWD) is proposing to replace its Supervisory Control and Data Acquisition (SCADA) communications system at existing SCWD facilities located throughout unincorporated Santa Cruz County and City of Santa Cruz. The SCWD uses a radio-based SCADA communications system to monitor and control equipment at remote facilities such as water intakes, pumping stations, and storage reservoirs, from the Graham Hill Water Treatment Plant (GHWTP). The current SCADA system relies on an obsolete radio that is no longer manufactured, and replacement parts and technical support are no longer available. Replacement of the entire SCADA system is required to be compatible with a new radio system. The proposed project involves replacement of the existing radios in their current location, a field survey to validate an updated network design, and replacement and minor relocation of the SCADA radio base tower within the existing GHWTP site. This project is required for the SCWD to continue the production, storage, treatment, and transmission of water. SCWD must maintain and operate the water system uninterrupted during installation and implementation of the SCADA Radio Upgrade Project.

Contact Information

Jessica Martinez-Mckinney
Agency Name
City of Santa Cruz Water Department
Job Title
Associate Planner II
Contact Types
Lead/Public Agency


Santa Cruz
Santa Cruz
Citywide, Countywide
Cross Streets
Various, see NOE document Attachment 1

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 2; California Code of Regulations Title 14 Section 15302
Reasons for Exemption
This project is categorically exempt under California Environmental Quality Act Guidelines §15302, Class 2, Replacement or Reconstruction, for replacement of existing structures and facilities (the SCWD's SCADA communications system) where the new structure will be located on the same site as the structure replaced and will have substantially the same purpose and capacity as the structure replaced, as is the case for the SCADA Radio Upgrade Project. Additionally, the project is not barred by the applicable exceptions for taking a Class 2 Categorical Exemption (14 Cal Code Regs §15300.2 (b)- (f))
County Clerk
Santa Cruz


Notice of Exemption

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