HELIX Environmental Planning » Projects
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Metropolitan Water District of Southern CaliforniaOn-call Services
HELIX is currently providing environmental services to Metropolitan Water District of California (Metropolitan) under two as-needed contracts: one focused on providing biological resources support for vegetation management activities, and the other focused on providing CEQA compliance and related services for planned improvements to the Colorado River Aqueduct. In 2009, HELIX completed a... -
Twin Oaks ValleyWater Treatment Plant
HELIX prepared an EIR and technical studies addressing two conceptual design options (conventional versus membrane filtration treatment) for the County Water Authority's 100 million gallon per day regional water treatment plant on a 35-acre site in northern San Diego County. The EIR included evaluations of specific Design-Build-Operate proposals and two alternative access road designs. Following...
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