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The California Water Boards' Annual Performance Report - Fiscal Year 2011-12

REGULATE: NPDES STORMWATER

GROUP: NPDES STORMWATER INDUSTRIAL FACILITIES
MEASURE: NUMBER OF INSPECTIONS
NUMBER OF FACILITIES INSPECTED
MESSAGE:   12% of Industrial facilities regulated under the Stormwater program were inspected in FY 11-12.

MEASUREMENTS  - Data Last Updated on: 

 

 

WHAT THE MEASURE IS SHOWING

Although 12% of industrial stormwater facilities were inspected during fiscal year 2011-12, the program inspected 1,176 (1170 in FY 10-11 and 409 in FY 09-10) facilities statewide. Industrial stormwater facilities may not change significantly over time and the frequency of inspections necessary to verify compliance may be lower than the frequency necessary for construction stormwater facilities

WHY THIS MEASURE IS IMPORTANT

Inspections are a primary tool used in the NPDES Stormwater Industrial program to assess compliance with NPDES requirements. The General Industrial Permit requires that an annual report be submitted each July 1. In addition to inspections, this report is used to verify compliance with requirements.

TECHNICAL CONSIDERATIONS

GLOSSARY

Industrial Stormwater Program
Discharges associated with 10 broad categories of industrial activities are regulated under the Industrial Storm Water General Permit Order 97-03-DWQ (General Industrial Permit), which is an NPDES permit.

General Permit
An NPDES permit issued under 40 CFR 122.28 that authorizes a category of discharges within a geographical area. A general permit is not specifically tailored for an individual discharger.

National Pollutant Discharge Elimination System (NPDES)
The NPDES permit program (Section 402 of the Clean Water Act ) 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.
 

( Page last updated:  9/10/12 )

 
 

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