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The California Water Boards' Annual Performance Report - Fiscal Year 2010-11

CLEAN UP: GROUNDWATER

GROUP:  SITE CLEANUP
MEASURE:  CASES OPEN
CASES CLOSED
MESSAGE:  On average, almost 4% of active cases were closed.
KEY STATISTICS FOR FY 2010-11

 

MEASUREMENTS  - Data last updated on: 

Region Active Cases Inactive Cases New Cases ** Cases Closed Percentage
of Cases
Closed

 

Scroll over the individual bars to display all data.

 

WHAT THE MEASURE IS SHOWING

The data show that the Site Clean Up Program is very active in regions 2, 4 and 5. This year the number of cases closed was greater than the number of new releases documented.

 

WHY THIS MEASURE IS IMPORTANT

Measuring the number of active cases, new cases and the number of cases closed is important because it shows the level of activity of the program and the level of resources necessary to handle the workload. It can also identify trends in different regions in the state. Note that the cases represented by the data do not include all cases managed by the water boards. They only include cases with direct impacts to ground or surface waters.

 

TECHNICAL CONSIDERATIONS

  • Data source: GEOTRACKER. Period July 1, 2010 to June 30, 2011. Extracted on August 17, 2011.
  • 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, 2011. Inactive Cases: Cases that have a status of inactive at 06/30/2011. New Cases: (Releases) The number of cases that had a status of Open - Case begin date occur any time between 07/01/2010 and 06/30/2011. Cases Closed: The number of cases that had a status of completed - Case closed occurs any time between 07/01/2010 and 06/30/2011.
  • References: The Water Boards' Leaking Underground Storage Tank Cleanup Program,
    Brownfields Program,
    Public Reports and Data.

 

GLOSSARY

Site Cleanup
The Site Cleanup program addresses commercial, industrial and other non-military sites with non-fuel contamination. Many of these sites are considered Brownfields because of their reuse potential. Site Cleanup Requirements generally mandate a time schedule for specific tasks that must be performed by the responsible party(ies) to investigate and clean up the site. Water Board staff oversee implementation of these tasks including investigations, corrective actions, and human health risk assessments at sites with current or historic unauthorized discharges, which have adversely affected or threaten to adversely affect waters of the state.

Procedures for site investigation and remediation are promulgated in State Water Resources Control Board Resolution No. 92-49 entitled Policies and Procedures For Investigation and Cleanup and Abatement of Discharges Under Water Code Section 13304. Responsible parties conduct work in a stepwise fashion, starting with preliminary assessment, then soil and water investigation; interim remedial measures if warranted; risk assessment; setting cleanup goals; cleanup plan; cleanup implementation and monitoring. Most often, responsible parties conduct the work voluntarily, but sometimes enforcement orders are necessary to compel the work to be performed.

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.

( Page last updated:  10/3/11 )

 
 

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