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

CLEAN UP: GROUNDWATER

GROUP:  MILITARY SITES DEPARTMENT OF DEFENSE PROGRAM
MEASURE:  NUMBER AND PERCENTAGE OF CASES WHERE GROUNDWATER CONTAMINANT MIGRATION IS CONTROLLED
MESSAGE:  High percentage of cases with groundwater contaminant migration controlled.
KEY STATISTICS FOR FY 2010-11

 

MEASUREMENTS  - Data last updated on: 

Region Total Number of Cases Cases Where Groundwater Contaminant Migration Percent of Cases Where Migration is Controlled
IS Controlled IS NOT Controlled Pending Determi-nation
'Total Number of Cases' include both active and inactive cases
Scroll over the individual bars to display all data.

 

WHAT THE MEASURE IS SHOWING

This performance measure seeks to assess how well the Water Boards are doing at tracking the control of groundwater pollution migration at military sites. For almost 42% of Active and Inactive site cleanup cases we can determine that groundwater pollution migration is controlled either because the source of the contamination has been identified and removed, the extent of pollution has been identified and remedial activities are controlling further migration of the identified pollutant. Although the number and percentage of cases where groundwater contaminant migration not controlled is small (almost 8%), the number of cases pending determination is relatively high at 50%

 

WHY THIS MEASURE IS IMPORTANT

Controlling contaminant migration is an expression of several aspects of Water Board staff work. The "number of cleanup cases with groundwater pollution migration under control" is a count of all open Water Board-Lead cases and Shared-Lead cases where groundwater contaminant migration is controlled as of the end of the FY. The process of cleaning and remediation of the impacts of pollution may take several years and may be completed in different phases. During the period that a case remains active, work will be done to investigate the nature and extent of the contamination, determine appropriate cleanup goals and construct/implement actions to effect cleanup (remediation). For inactive cases we won't know whether groundwater contaminant migration has been controlled. This performance measure is intended to show how well the Water Boards are doing at controlling groundwater pollution migration from contaminated sites.

 

TECHNICAL CONSIDERATIONS

  • Data source: GEOTRACKER. Period July 1, 2010 to June 30, 2011. Extracted on August 17, 2011.
  • Unit of Measure: Number of cases where groundwater contaminant migration is controlled.
  • Data Definitions: Active Cases: The number of cases overseen by Regional Boards that had an Open status as of June 30, 2011. Inactive Cases: Include cases where there is no funding or resources available to work on the case. Cases Where Groundwater Contamination Is Controlled: groundwater contaminant migration is under control either because the source of the contamination has been identified, the extent and magnitude of soil and groundwater contamination is defined and remedial activities are controlling further migration of the identified pollutant. It also includes those cases for which groundwater contaminant migration is not applicable. Cases Where Groundwater Contamination Is Not Controlled: An unacceptable migration of pollutants to surface water or groundwater or future risk to other sensitive receptors is determined to be present. Cases Pending Determination: Include cases for which there is insufficient data to determine that groundwater contaminant migration is controlled and those cases for which no data has been entered in the databases.
  • References: Information on the Water Boards' Department of Defense Program
    Public Reports and Data

 

GLOSSARY:

Military Sites - Department of Defense Program
Decades of defense activities have degraded water quality on and around federally-owned facilities. Working with other agencies, the Regional Boards are involved with remedial investigation and cleanup actions. Agreements with the Department of Defense provide for accelerated cleanups at military bases and other Defense sites scheduled for closure and reuse. Site investigation and cleanup procedures are consistent with State laws and regulations as well as applicable provisions of the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) which guides the federal Superfund program.

Number of cleanup cases groundwater contaminant migration is under control
Means a count of all open Water Board-lead cases and Shared-lead cases where groundwater contaminant migration has been evaluated as of the end of the Fiscal Year.

( Page last updated:  10/4/11 )

 
 

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