The Imperial County Geothermal exploratory drilling project sought to assess the geothermal potential of the proposed location through advanced geophysical surveys and the investigation of three exploratory wells, supporting LADWP’s pursuit of clean, renewable energy sources.
The Salton Sea area contains some of the highest potential for geothermal energy development in California. Conducting preliminary environmental constraints analyses and identifying permitting needs helped our client assess the commercial potential for developing this baseload power renewable resource.
ESA assisted LADWP in identifying environmental constraints and required permits and assessing potential impacts related to the exploration phase.
As part of this work, ESA conducted a biological resources constraints study which involved a reconnaissance-level assessment of wildlife habitats and vegetation within the footprint of the proposed well pads and access roads. Biologists surveyed and assessed special-status and federal- and state-listed species including desert tortoise (Gopherus agassizii), burrowing owl (Athene cunicularia) and ribbed cryptantha (Cryptantha costa) that had potential to occur in the project area, and observed if there were ephemeral drainages present. The report also identified environmental constraints and listed recommendations for potential avoidance and minimization measures.
ESA also led a Cultural Resources Assessment which involved conducting archival and background research for cultural and paleontological resources. Archaeologists surveyed proposed well locations and access roads, and prepared an Archaeological Resources Technical Report, outlining recommendations to avoid potential impacts during construction.
In addition, ESA conducted a hazardous sites assessment and air quality assessment, quantifying the short-term emissions of potential pollutants associated with the construction activities of exploratory well drilling, development, and testing and how these may contribute to ambient air quality standard exceedances.
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