Minor Alteration No. WA2025025 – Gas Pipeline Remediation Project
Summary
SCH Number
2026040453
Public Agency
Central Valley Flood Protection Board
Document Title
Minor Alteration No. WA2025025 – Gas Pipeline Remediation Project
Document Type
NOE - Notice of Exemption
Received
Posted
4/9/2026
Document Description
To perform pipeline remediation and removal activities on two pairs of gas transmission pipelines under Three Mile Slough in Sacramento County, California. The scope of work includes removal of previously filled and abandoned, 10- inch diameter pipelines authorized under Board Permit No. 15319. Additionally, placement of rock cover over the parallel 12- and 10-inch diameter transmission pipelines currently exposed within the channel to restore the pipeline cover back to the as-built conditions. Construction activities will require clearing and grubbing of existing vegetation in the work area and involve ground disturbance by heavy equipment along the levee and bank slopes. Placing rock backfill within the channel will be done from a barge. Backfill material requirements will comply with the California Code of Regulations, Title 23, Waters, Division 1 (Title 23) standards. All work will be outside of flood season
Contact Information
Name
Angela Nguyen-Tan, CVFPB
Agency Name
Central Valley Flood Protection Board
Job Title
Senior Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Sean Poirier
Agency Name
Pacific Gas & Electric
Job Title
Senior Land Planner
Contact Types
Project Applicant
Phone
Email
Location
Coordinates
Cities
Rio Vista
Counties
Sacramento, Solano
Regions
Northern California
Waterways
Sacramento River, Three Mile Slough, Seven Mile Slough
Other Location Info
The project is located south of Rio Vista, at the confluence of Three Mile Slough and Seven Mile Slough (38.114002, -121.685393) in Sacramento County
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
California Code of Regulations, Title 14, Sections 15301 and 15302
Reasons for Exemption
The project is exempt from CEQA under the Class 1, Existing Facilities categorical exemption (CEQA California Code of Regulations, Title 14, Section 15301), because the activity consists of 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 use. No expansion of existing or former use will occur. Additionally, the project is exempt from CEQA under the Class 2, Replacement or Reconstruction categorical exemption (CEQA California Code of Regulations, Title 14, 15302), because the activity consists of replacement and reconstruction of an existing structure in the same site and will have substantially the same purpose and capacity as the replaced structure. Further, none of the exceptions to the exemption in CEQA California Code of Regulations, Title 14, Section 15300.2 apply.
County Clerk
Sacramento
Attachments
Notice of Exemption
Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.