Southeast Regional Wastewater Treatment Plant facilities improvements and Geysers effluent pipeline and injection project: Mitigation monitoring and operation plan

摘要

Pursuant to the recommendation of the Lake County Planning Commission on August 25, 1994, the following mitigation monitoring and operation plan is hereby recommended to the Lake County Sanitation District Board of Directors for the construction and operation of treatment plant improvements, Clear Lake make up water intake line, a 24 inch diameter 26 mile long effluent transmission pipeline to the southeast portion of the Geysers, connection of pipeline to the Middletown Wastewater Treatment Plant, distribution piping to approximately (15) injection wells in the Unit 13 and 16 steamfields operated by Calpine, the Northern California Power Agency's steamfield on US BLM lands in Lake and Sonoma Counties, and the Unit 18 and 20 steamfields in Sonoma county operated by Union Oil Company of California (Unocal). The authorized project also includes pump stations located at the Lake water intake, Southeast Treatment Plant and Bear Canyon geothermal leasehold, surge tank facilities at Childers Peak and the ''Y'' Pad in NCPA's steamfield in the Geysers, electrical distribution lines, access roads, spoil disposal areas along the pipeline route, monitoring and mitigation measures, temporary laydown areas and incidental uses and activities as identified in the project EIR dated May 26, 1994. This plan outlines the methods by which the project will be built and operated. All the mitigation measures or alternatives that were recommended in the EIR have been incorporated into the project and plan. Provisions to address issues such as erosion/sedimentation, hydrology, vegetation/biological habitat, operations, air, noise, public health and safety, socioeconomic and visual resources are included in the plan.