Digester Gas Compressor Dryer Replacements at Plant No. 1 and Plant No. 2, Project No. FE23-01


SCH Number
Public Agency
Orange County Sanitation District
Document Title
Digester Gas Compressor Dryer Replacements at Plant No. 1 and Plant No. 2, Project No. FE23-01
Document Type
NOE - Notice of Exemption
Document Description
The project will replace and rehabilitate the legacy Digester Gas Drying Systems and related appurtenances. This includes the removal and demolition of three Gas Drying Systems (one at Plant No. 1 and two at Plant No. 2) and installation of new in-kind replacement Gas Drying Systems including associated piping, valves, instruments, controls, appurtenances.

Contact Information

Kevin Hadden
Agency Name
OC San
Job Title
Principal Staff Analyst
Contact Types
Lead/Public Agency


Fountain Valley
Cross Streets
Ward and Ellis

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
CEQA Guidelines Class 1 § 15301
Reasons for Exemption
This project is exempt from CEQA under the Class 1 categorical exemptions set forth in California Code of Regulations sections 15301. Section 15301 (Class 1) exempts from CEQA “the operation, repair, maintenance … or minor alteration of existing public or private structures, facilities … involving negligible or no expansion of use beyond that existing at the time of the lead agency’s determination” including “(b) Existing facilities of both investor and publicly owned utilities used to provide electric power, natural gas, sewerage, or other public utility services.” The purpose of this project is to maintain the gas dryer systems, which requires the existing ones and related to be replaced in-kind. The project will not increase the capacity or otherwise expand the current use.
County Clerk


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