JD status summary for Los Angeles River watershed - July 25, 2008

   Regulatory Guidance Letter (RGL) 08-02 - Jurisdictional Determinations - June 26, 2008

  Jurisdictional Determinations

• 2008

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November (none posted)

• December

• 2007
• 2006
• 2005
• 2004

  Rapanos and Carabell

• Rapanos and Carabell (CWA Guide)

  Traditional Navigable Waters (TNW) Decisions

• List of TNW Decisions
• Santa Cruz River

  New JD Form

• New JD Form.pdf

  JD Guidebook

• JD Guidebook.pdf

  Wetland and Delineations Information

•  Recognizing Wetlands (Provided by the Sacramento District)
• Supreme Court Decision on Isolated Wetlands: First Memorandum and Second Memorandum
• Advance Notice of Proposed Rulemaking on the Clean Water Act Regulatory Definition of Waters of the United States dated January 15, 2002
• Guidelines for Jurisdictional Determinations for Waters of the U.S. in Arid Regions, Matrix/Checklist, and Transmittal Memorandum
• Interim Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Arid West Region
• 1987 Wetland Delineation Manual (need Acrobat Reader)
• Wetlands and Agriculture (Provided by the Sacramento District)
• ACOE/NRCS Withdrawl from 1994 AgMOA
• EPA Region IX 1995 methodology for delineation of Central and Southern California wetlands
• Vegetation: USDA wetland indicator plant listing database
  • Photos of wetland plants in the Los Angeles District for California and Arizona
    (also visit USGS's Western Wetland Flora)
• Soils
  • Hydric soils in California and Arizona
• Hydrology
  • Southern California Climate Summaries and Arizona Climate Summaries
  • Western U.S. Precipitation Frequency Maps
  • Climate Analysis for Wetlands by County