Manufactured Gas Plants

Former Merced Manufactured Gas Plant

Former Merced manufactured gas plant in 1899

PG&E is working to address environmental impacts from historical operations at the site of a former manufactured gas plant (MGP), which operated at 560 West 15th Street in Merced, California. The MGP operated from 1883 to 1930, at which time natural gas became available and the plant was shut down and dismantled. PG&E acquired the property in 1930 and has since used it for service center operations. All work is being conducted voluntarily by PG&E and is being overseen by the California Department of Toxic Substances Control (DTSC).

Since 2008, investigation work has taken place at the site to determine the extent of MGP residues left in soil, soil gas (air in between soil particles) and groundwater. A draft cleanup plan (called a draft Removal Action Workplan or draft RAW) is currently being finalized. PG&E is working with DTSC to incorporate sustainable methods into this plan and reduce the environmental footprint of cleanup and operations. The cleanup plan will be available for public review in early 2014. DTSC will consider and respond to all public comments received prior to approving the cleanup plan.

PG&E will continue to keep the community informed about this project through fact sheets, work notices and other outreach, as appropriate.

Additional Resources

Site-related documents can also be found at:
Merced County Library, 2100 O Street, Merced (209-385-7643)

All MGP Locations
Chico Oakdale San Rafael
Colusa Oakland Santa Cruz
Daly City Oroville Santa Rosa
Eureka Red Bluff Selma
Fresno - 1 Redding St. Helena
Fresno - 2 Redwood City Stockton
Hollister Sacramento -1 Tracy
Lodi Salinas Turlock
Madera San Francisco - Adjacent To Potrero Vallejo
Marysville - 1 San Francisco - Beach Street Watsonville - 1
Merced San Francisco - Fillmore Watsonville - 2
Modesto - 1 San Francisco - North Beach Willows
Monterey San Francisco - Potrero Woodland
Napa San Luis Obispo - 1
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