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1415PERFORMANCE REPORT The Water Boards...

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The California Water Boards' Annual Performance Report - Fiscal Year 2014-15

REGULATE: NPDES WASTEWATER

GROUP: NPDES GENERAL FACILITIES
MEASURE: NUMBER OF PERMITS ADOPTED OR RENEWED
NUMBER OF PERMITS PAST EXPIRATION DATE AS OF END OF FISCAL YEAR 2014-15
MESSAGE:  

MEASUREMENTS  - Data Last Updated on: 

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WHAT THE MEASURE IS SHOWING

WHY THIS MEASURE IS IMPORTANT

TECHNICAL CONSIDERATIONS

  • Data Source: CIWQS. Period July 1, 2014 to June 30, 2015.
  • Unit of Measure: Number of active facilities enrolled under an NPDES general permit as of June 30, 2015.
  • Data Definitions: New enrollees issued during FY 14-15: effective date between July 1, 2014 and June 30, 2015. Current enrollees: not expired and not issued in FY 14-15.
  • References: Information on the Water Boards' NPDES Program
    Public Reports and Data

GLOSSARY

General Facility
A general facility is a discharge with a design flow of less than one million gallons per day (MGD) that has not been determined to have an actual or potential adverse environmental impact classifying the discharge as major.

National Pollutant Discharge Elimination System (NPDES)
The NPDES permit program (CWA Section 402) controls water pollution by regulating point sources that discharge pollutants into waters of the United States. Point sources are discrete conveyances such as pipes or man-made ditches. Individual homes that are connected to a municipal system, use a septic system, or do not have a surface discharge do not need an NPDES permit; however, industrial, municipal, and other facilities must obtain permits if their discharges go directly to surface waters. US EPA has approved the Water Board's program to issue NPDES permits.

NPDES Permit
The Clean Water Act prohibits anybody from discharging "pollutants" through a "point source" into a "water of the United States" unless they have an NPDES permit. The permit contains limits on what can be discharged, monitoring and reporting requirements, and other provisions to protect water quality and public health. In essence, the permit translates general requirements of the Clean Water Act into specific provisions tailored to the operations of each person discharging pollutants.

( Page last updated:  11/18/15 )

 
 

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