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The California Water Boards' Annual Performance Report - Fiscal Year 2013-14

CLEAN UP: GROUNDWATER

GROUP:  LEAKING UNDERGROUND STORAGE TANKS CLEANUP PROGRAM
MEASURE:  NUMBER AND PERCENTAGE OF CASES IN ACTIVE REMEDIATION
MESSAGE:  Forty one (41%) percent of all state-lead cases are now under active remediation.
KEY STATISTICS FOR FY 2013-14

 

MEASUREMENTS  - Data last updated on: 

Region Active Cases Cases in
Assessment
and Interim
Remediation
Cases
Under Site
Assessment
Cases Under
Verification
Monitoring
Cases in
Active
Remediation
Percentage
of Cases
in Active
Remediation
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WHAT THE MEASURE IS SHOWING

The data show that of the 3,357 cases that were active during FY 13-14, approximately 41% were taking actions to clean up and remediate the effects of pollution at different levels. The number of cases in active remediation has been relatively stable over the last several fiscal years.

WHY THIS MEASURE IS IMPORTANT

The process of cleaning Leaking Underground Storage Tanks may take several years and may be completed in different phases. Tracking the number of cases in active remediation and the total number of active cases is important to assess and plan the future workload, fund requirements, and evaluate results.

TECHNICAL CONSIDERATIONS

  • Data source: GEOTRACKER. Period July 1, 2013 to June 30, 2014.
  • Unit of Measure: Number of cases.
  • Data Definitions: Active Cases: The number of cases overseen by Regional Boards that had an Open status as of June 30, 2014. Inactive Cases: Cases that have a status of inactive at 06/30/2014. New Cases: The number of cases that had a status of Open - Case begin date occur any time between 07/01/2013 and 06/30/2014. Cases Closed: The number of cases that had a status of completed - Case closed occurs any time between 07/01/2013 and 06/30/2014.
  • References:
    The Water Boards' Leaking Underground Storage Tank Cleanup Program
    Public Reports and Data
    FY 13/14 Annual Agency Status Report

GLOSSARY

Leaking Underground Storage Tanks
Leaking underground storage tanks are a significant source of petroleum impacts to groundwater and a risk to human health and safety. Contamination may impact drinking water aquifers, public or private drinking water wells, and present a risk of exposure to humans through inhalation of vapors. These threats are minimized when UST owners or operators (responsible parties) report a leak to the environment to the local regulatory agency within 24 hours of detection. If a leak occurs, responsible parties or their representative must notify the appropriate Regional Water Quality Control Board or County Agency and submit an unauthorized release form. Site investigation and cleanup (corrective action) costs can only be reimbursed by the Cleanup Fund after the tank release has been reported to the Regional Board or county regulatory agency. Regional Board and many County Agencies are authorized to oversee the investigation and cleanup of UST system releases.

Case Closure
UST site qualifies to receive a "No Further Action" (closure) letter once the owner or operator meets all appropriate corrective action requirements. After this occurs, the county agency or regional board will inform the responsible party in writing that no further work is required.

Low-Threat Underground Storage Tank Case Closure Policy
This policy is a state policy for water quality control and applies to all petroleum UST sites subject to Chapter 6.7 of Division 20 of the Health and Safety Code and Chapter 16 of Division 3 of Title 23 of the California Code of Regulations.

( Page last updated:  10/31/14 )

 
 

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