Site Assessment & Cleanup

• Overview of the Site Assessment & Cleanup Program, 264 KB, PDF (PDF Info)
  For more information, contact Duncan Austin at (916) 464-4712 or by email at daustin@waterboards.ca.gov or Robert Busby at (916) 464-4666 or by email at rbusby@waterboards.ca.gov.



• GeoTracker is a database and geographic information system (GIS) that provides online access to environmental data. It tracks regulatory data about underground fuel tanks and public drinking water wells, as well as other types of sites, such as above ground storage tanks and site cleanup cases.



• Application Requirements for Designation of a Containment Zone, 220 KB, PDF (PDF info)
  This document provides information to assist in applying to the Central Valley Regional Board for designation of a containment zone, as authorized by State Water Resources Control Board Resolution No. 92-49. A containment zone may be considered by the Regional Board for a site or a portion of a site where clean up of pollution to levels that comply with applicable water quality objectives is technologically and/or economically infeasible.

• ARARs Guide for CERCLA Cleanups, 1.6 MB*, PDF (PDF info)
  Applicable or Relevant and Appropriate Requirements (ARARs), To-Be-Considered Requirements (TBCs), and Permit Requirements of CERCLA. This memorandum is a guide to complying with the CERCLA (Superfund) process for identifying state ARARs to make sure that state requirements are incorporated into CERCLA cleanups. Attached are tables presenting potential State and Regional Water Board ARARs for both groundwater and soil. This guide is a dynamic document that will be updated as needed.

• ARARs Board Resolution for CERCLA Cleanups, 117 KB, PDF (PDF info)
  Central Valley Regional Water Board Resolution No 98-240, Confirming Application of Resolution No. 92-49 and the Basin Plan as Requirements for Groundwater and Soil Cleanups at McClellan Air Force Base. This Board Resolution identifies and confirms State Applicable or Relevant and Appropriate Requirements (ARARs) for groundwater and soil cleanups at CERCLA (Superfund) sites.

• Dry Cleaners - A Major Source of PCE in Ground Water, 453 KB, PDF (PDF info)
  A staff report of the Well Investigation Program documenting investigations of dry cleaning establishments and tetrachloroethylene (PCE) in soil and groundwater in cities and towns of California's Central Valley, dated 27 March 1992. For additional information contact Duty Officer at (916) 464-4675.

• General Order for Discharge to Surface Waters of Groundwater from Cleanup of Petroleum Fuel Pollution, 2.5 MB* , PDF (PDF info)
  This general NPDES Permit covers the discharge of less than or equal to 200,000 gallons per day of treated groundwater from clean up of petroleum constituents to waters of the United States.

• Humboldt Road Burn Dump, Chico, Butte County
  • Certificate of Completion, Humboldt Road Burn Dump, Assessors Parcel Nos. 018-390-014
    On 22 December 2006, the Executive Officer issued a Certificate of Completion for Area 8, Assessors Parcel No. 018-390-014, Chico, Butte County, owned by Virginia L. Drake, Trustee, Drake Revocable Trust, Darwin H. and Nina R. Simmons, Trustees, Simmons Family Trust, and James E. Simmons. Questions and comments may be directed to Mr. James C. Pedri at (530) 224-4845 or by email at jpedri@waterboards.ca.gov.
    • Cover Letter, 52 KB, PDF (PDF info)
    • Certificate of Completion, 18 KB, PDF (PDF info)
    • Exhibit C, 12 KB, PDF (PDF info)
    
    
  • Certificate of Completion, Humboldt Road Burn Dump, Assessors Parcel Nos. 018-500-015 and 018-500-137
    On 7 February 2006, Central Valley Regional Water Quality Control Board staff issued a Certificate of Completion for two Humboldt Road Burn Dump parcels owned by Chico Redevelopment Agency, Assessors Parcel Nos. 018-500-015 and 018-500-137. Questions and comments may be directed to Karen Clementsen at (530) 224-4852 or by email at kclementsen@waterboards.ca.gov.
    • Cover Letter, 35 KB, PDF (PDF info)
    • Certificate of Completion, 24 KB, PDF (PDF info)
    • Resolution No. 97-16, 578 KB, PDF (PDF info)
    • Confirmation Sampling Results, 772 KB, PDF (PDF info)
    • Exhibit C, 22 KB, PDF (PDF info)
    
    
  • Certificate of Completion, Humboldt Road Burn Dump, Assessors Parcel Nos. 002-180-087, 002-180-088, 002-180-089, and 002-180-095
    On 22 December 2005, Central Valley Regional Water Quality Control Board staff issued a Certificate of Completion for four Humboldt Road Burn Dump parcels owned by Chico Redevelopment Agency, Assessors Parcel Nos. 002-180-087, 002-180-088, 002-180-089, and 002-180-095. Questions and comments may be directed to Karen Clementsen at (530) 224-4852 or by email at kclementsen@waterboards.ca.gov.
    • Cover Letter, 36 KB, PDF (PDF info)
    • Certificate of Completion, 25 KB, PDF (PDF info)
    • Resolution No. 97-16, 578 KB, PDF (PDF info)
    • Confirmation Sampling Results, 918 KB, PDF (PDF info)
    • Exhibit C, 21 KB, PDF (PDF info)
    
    
  • Certificate of Completion, Humboldt Road Burn Dump, Assessors Parcel Nos. 018-500-016, 018-500-136, and 018-500-138
    On 16 December 2005, Central Valley Regional Water Quality Control Board staff issued a Certificate of Completion for three Humboldt Road Burn Dump parcels owned by Thomas and Mary R. Fogarty Revocable Trust, Assessors Parcel Nos. 018-500-016, 018-500-136, and 018-500-138. Questions and comments may be directed to Karen Clementsen at (530) 224-4852 or by email at kclementsen@waterboards.ca.gov.
    • Cover Letter, 36 KB, PDF (PDF info)
    • Certificate of Completion, 14 KB, PDF (PDF info)
    • Resolution No. 97-16, 578 KB, PDF (PDF info)
    • Confirmation Sampling Results, 1.32 MB*, PDF (PDF info)
    • Exhibit C, 8 KB, PDF (PDF info)
    
    
  • Certificate of Completion, Humboldt Road Burn Dump, Assessors Parcel Nos. 002-180-084 and 002-180-086
    On 16 December 2005, Central Valley Regional Water Quality Control Board staff issued a Certificate of Completion for two Humboldt Road Burn Dump parcels owned by Borge Development, Inc.,Assessors Parcel Nos. 002-180-084 and 002-180-086. Questions and comments may be directed to Karen Clementsen at (530) 224-4852 or by email at kclementsen@waterboards.ca.gov.
    • Cover Letter, 36 KB, PDF (PDF info)
    • Certificate of Completion, 14 KB, PDF (PDF info)
    • Resolution No. 97-16, 578 KB, PDF (PDF info)
    • Confirmation Sampling Results, 1.32 MB*, PDF (PDF info)
    • Exhibit C, 8 KB, PDF (PDF info)
    
    
  • Certificate of Completion, Humboldt Road Burn Dump, Assessors Parcel No. 011-030-139
    On 10 March 2005, staff of the California Regional Water Quality Control Board, Central Valley Region issued a Certificate of Completion for the Humboldt Road Burn Dump property owned by Thomas and Mary R. Fogarty Revocable Trust, Assessors Parcel No. 011-030-139. Questions and comments may be directed to Karen Clementsen at (530) 224-4852 or by email at kclementsen@waterboards.ca.gov.
    • Cover Letter, 27 KB, PDF (PDF info)
    • Certificate of Completion, 14 KB, PDF (PDF info)
    • Resolution No. 97-16, 578 KB, PDF (PDF info)
    • Confirmation Sampling Results, 802 KB, PDF (PDF info)
    • Exhibit C, 9 KB, PDF (PDF info)
  
  
• List of Spill and Leak Sites (SL) and Department of Defense (DOD) and Department of Energy (DOE) cleanup cases in the central portion of the Central Valley Region, 1st Quarter 2005. This is a list of sites that have degraded or threaten to degrade groundwater quality, including spill sites and DOD/DOE sites. Included are addresses for each site, site status, and contaminants of concern. Each site may have a case file and/or report(s) available for public viewing at the Regional Board offices. This list is updated quarterly. It is made available in one version sorted by county and address.
  • SLIC List Explanations, 68 KB, (PDF info)
  • SLIC List, 179 KB, (PDF info)
  • SLIC List & Explanations, 511 KB, MS Excel

• Site Assessment and Cleanup Levels
  • Water Quality Standards & Limits
    At the end of cleanup, groundwater and surface waters must comply, at a minimum, with all applicable water quality standards.
    
  • Water Quality Site Assessment, 258 KB, PDF (PDF info)
    Describes how a site-wide water quality site assessment should be conducted to evaluate the impact of soil contaminants on ground water quality
    
  • See “The Designated Level Methodology” under General Guidance Documents
    Describes a method for calculation of site-specific cleanup levels that are protective of water quality.

• See “Site Assessment and Cleanup Policy” under Plans & Policies