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Six County Aquatic Resources Inventory Map (Please zoom in beyond "1 inch = 1 mile" to display data)

Six County Aquatic Resources Inventory

Purpose: Provide information on a study to inventory aquatic resources in the Six County Area (Sacramento, Placer, Yolo, El Dorado, Yuba, and Sutter Counties, California)

Background:

  • In May 2009, the Sacramento District received $810,000 in American Recovery and Reinvestment Act (ARRA) funds to conduct an inventory of aquatic resources, including wetlands, streams, lakes and ponds, in the Six County Area.
  • The study is designed to identify, characterize, and classify aquatic resources throughout the region through a combination of watershed assessment, remote sensing, spatial analysis, and field work. The Advisory Team for the study includes representatives from Sacramento Area Council of Governments (SACOG), the Counties and other agencies, including U.S. Environmental Protection Agency (USEPA) and U.S. Fish and Wildlife Service (USFWS).
  • The study is careful to be compatible with other technical work for natural areas underway in the region, including Habitat Conservation Plans (HCPs).
  • The study was made publically available on 31 August 2011 (link to Map ).
  • The aquatic resources inventory is intended to enhance accuracy, consistency and predictability in planning and regulatory practices. Once completed, the inventory can be used by local, state and federal agencies to make better-informed and more efficient decisions regarding proposed development and other activities that affect aquatic resources in the Six County Area. The Sacramento District, USEPA and USFWS will use the inventory in the evaluation of cumulative impacts and determine appropriate compensatory mitigation within a regional and watershed context. State and local agencies may also incorporate the inventory into General Plans and Specific Plans.
    The aquatic resources inventory will also be used by the Sacramento District to develop a permitting strategy that encourages less damaging development activities though the use of general permits and/or Letters of Permission procedures.
  • The inventory will also be a living document, updated as regulatory actions and other landscape changes occur.
  • The Six County Aquatic Resources Inventory is currently available at two locations:
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