Geothermal Projects


Black Rock 5-6 Geothermal Plant

Calipatria, California

Client: Cal Energy

LandMark Consultants, Inc. conducted a geotechnical investigation for the proposed construction of a geothermal power plant near the Salton Sea, California. The site has shallow groundwater and liquefiable soils which require specialized foundation system designs to mitigation the potential liquefaction settlement during earthquakes.



Hudson Ranch No. 1 Geothermal Plant

Calipatria, California

Client: Energy Source

LandMark Consultants, Inc. conducted a geotechnical investigation for the proposed construction of the Hudson Ranch No. 1 geothermal power plant near the Salton Sea, California. The site has shallow groundwater and compressible clay soils which require specialized foundation system designs to mitigation the potential liquefaction settlement during earthquakes. The firm also provided construction materials testing services during construction of the project. Services include soil-cement column and auger cast pile inspection, concrete inspection, compaction testing and welding inspection.


Our Goal:

To offer a broad range of consulting services on diverse projects in both the public and private sectors. We specialize in geotechnical engineering, engineering geology, soils and construction materials testing, and inspection services.

Office Locations

780 North 4th Street El Centro, CA 92243 760-370-3000

77-948 Wildcat Drive Palm Desert, CA 92211 760-360-0665