Surface Water

Santa Susana is regulated under an active NPDES Permit issued by the Los Angeles Regional Water Quality Control Board. The existing permit was issued in June 2004 and has undergone various modifications:

• February 12, 2015 Permit
  • Cover Letter and Waste Discharge, Monitoring and Reporting Requirements

• June 3, 2010 Permit R4-2010-0090 Modification
  • Cover letter
  • Waste Discharge Requirements, Monitoring and Reporting Requirements and Fact Sheet

• Draft Amendments to May 2009 NPDES Permit
  • Public Notice of June 3, 2010 Hearing
  • Summary of Amended Changes
  • Cover Letter
    
  • Tentative Waste Discharge Requirements

• May 8, 2009 Permit - R4-2009-0058
  • Cover Letter
  • Fact Sheet
  • Monitoring and Reporting Program
  • Waste Discharge Requirements
• December 2008 13304 Order to Perform Interim/Source Removal Action of Soil in the Areas of Outfalls 008 and 009 Drainage
• May 19, 2008 13383 RWQCB Request to Monitor at B56 Landfill
• November 2007 Modification
  • Cover Letter
  • Fact Sheet
  • Monitoring and Reporting Program
  • Waste Discharge Requirements
• April 2007 Revised Tentative NDPES Permit and Cease and Desist Order
  • Revision Cover Letter
  • Revised Tentative Fact Sheet
  • Revised Tentative Waste Discharge Requirements
  • Revised Tentative Cease and Desist Order
• March 2007 Tentative NPDES Permit and Cease and Desist Order
  • Cover Letter
  • Tentative Fact Sheet
  • Tentative Monitoring and Reporting Program
  • Tentative Waste Discharge Requirements
  • Tentative Notice information: 1 2
  • Tentative Cease and Desist Order
• November 2007 Cease and Desist Order
• March 2006 Modification
  • Cover Letter
  • Order
  • Fact Sheet
  • Monitoring and Reporting Program
• January 2006 Modification
  • Cover Letter
  • Order
  • Fact Sheet
  • Monitoring and Reporting Program
• 2004 Permit