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water policy

Owens Lake Dust Mitigation Program, Inyo County, California

dust control water policy Water Resources Restoration Ecology

Land IQ has served the Los Angeles Department of Water and Power in multiple functions in the concept development, design, implementation, and operations of approximately 40 square miles of playa stabilization for dust control on the Owens Dry Lakebed. Land IQ staff were integral members of the engineering and science team for multiple design phases. Our team supported design of water delivery, irrigation, and subsurface drainage systems and grading and tillage plans, as well as developing soil preparation and planting specifications for dust control on the Owens Dry Lakebed. Systems included a novel fresh-saline water blending system, more than 50 miles of pipeline, and nearly 4 square miles of subsurface drip irrigation. Land IQ staff:

  • Developed design concepts and criteria for irrigation, surface and subsurface drainage and planting
  • Developed and managed 50 acres of saltgrass seed production farms to provide 29 million plants from local native seed from the lower Owens Valley for planting 2,200 acres of saltgrass;
  • Developed concepts for system refinements, habitat enhancement, and water conservation
  • Provide guidance on irrigation and chemigation protocols and water quality
  • Planned and conducted monitoring of plant health status for irrigation scheduling recommendations on a 2,200-acre managed vegetation dust control measure; monitoring included data collection and data analysis using ArcPad and ArcView GIS software to identify and delineate areas requiring special management.