Ameresco Keller Canyon RNG LLC – Proposed Renewable Natural Gas Processing Facility and Pipeline Project (Ameresco RNGPFP)


SCH Number
Lead Agency
Contra Costa County
Document Title
Ameresco Keller Canyon RNG LLC – Proposed Renewable Natural Gas Processing Facility and Pipeline Project (Ameresco RNGPFP)
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Landfill, Open Space

Document Description
Mitigated Negative Declaration for Land Use Permit LP18-2022 for a proposed renewable natural gas (RNG) processing facility and pipeline (RNGPFP) that includes construction and operation of a new RNG processing facility and an underground transmission pipeline.

Contact Information
Stan Muraoka, AICP (Stanley Muraoka)
Contra Costa County, Department of Conservation and Development
Lead/Public Agency
30 Muir Road
Martinez, CA 94553

Phone : (925) 674-7781

Ameresco Keller Canyon RNG LLC
Project Applicant


38°0'28"N 121°56'21"W
Contra Costa
San Francisco Bay Area
Cross Streets
Bailey Road, West Leland Road
Total Acres
Parcel #
094-360-008, -019, -020, -022; 094-080-012; 094-090-002; 094-160-004, -005, -006
State Highways
Highway 4
Bel Air Elementary, Willow Cove Elementary, et al.
Contra Costa Canal

Notice of Completion

Review Period Start
Review Period End
Development Type
Industrial (Renewable natural gas (RNG) processing facility and pipeline)(Acres 1.9, Employees 2)
Local Action
Use Permit
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Drainage/Absorption Geology/Soils Greenhouse Gas Emissions Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Population/Housing Public Services Recreation Schools/Universities Septic System Solid Waste Transportation Tribal Cultural Resources Vegetation Wetland/Riparian Wildfire Wildlife
Reviewing Agencies
California Air Resources Board (ARB) California Department of Conservation (DOC) California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Forestry and Fire Protection (CAL FIRE) California Department of Parks and Recreation California Department of Resources Recycling and Recovery California Department of Transportation, District 4 (DOT) California Department of Water Resources (DWR) California Energy Commission California Governor's Office of Emergency Services (OES) California Highway Patrol (CHP) California Native American Heritage Commission (NAHC) California Natural Resources Agency California Public Utilities Commission (CPUC) California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB) California State Lands Commission (SLC) Delta Stewardship Council Department of Toxic Substances Control Office of Historic Preservation State Water Resources Control Board, Division of Water Quality


Environmental Document
_Memo   PDF 157 K LP18-2022 Ameresco MND 101420   PDF 42341 K LP18-2022 Ameresco MND Summary Form for Document Submittal   PDF 580 K LP18-2022 MND Notice 100720   PDF 678 K LP18-2022 MND Re-Notice 111220   PDF 680 K
LP18-2022 Ameresco MND NOC   PDF 218 K LP18-2022 Project Information 100720   PDF 155 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) 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. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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