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1516PERFORMANCE REPORT The Water Boards...

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The California Water Boards' Annual Performance Report - Fiscal Year  2015-16 

ENFORCE: NPDES STORM WATER

GROUP:  ALL NPDES STORM WATER FACILITIES
MEASURE: VIOLATION TRENDS. TOTAL BY YEAR
MESSAGE: 
KEY STATISTICS FOR CALENDAR YEARS 2013- 2015 

 

MEASUREMENTS  - Data last updated on: 

Regional
Offices
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Regional
Office
Total

Click on a bar in the charts below, to show details for that region (third chart below).

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WHAT THE MEASURE IS SHOWING

WHY THIS MEASURE IS IMPORTANT

TECHNICAL CONSIDERATIONS

 

GLOSSARY

Construction Storm Water Program
Dischargers whose projects disturb one or more acres of soil or whose projects disturb less than one acre but are part of a larger common plan of development that in total disturbs one or more acres, are required to obtain coverage under the General Permit for Discharges of Storm Water Associated with Construction Activity. Construction activity subject to this permit includes clearing, grading and disturbances to the ground such as stockpiling, or excavation, but does not include regular maintenance activities performed to restore the original line, grade, or capacity of the facility. For more information, see the Construction Storm Water Program.

Industrial Storm Water Program
The Industrial General Permit is an NPDES permit that regulates discharges associated with 10 broad categories of industrial activities. The Industrial General Permit requires the implementation of Best Available Technology Economically Achievable (BAT) and Best Conventional Pollutant Control Technology (BCT) to achieve performance standards. For more information, see the Industrial Storm Water Program.

Municipal Storm Water Phase I Facilities

The Municipal Storm Water Permitting Program regulates storm water discharges from municipal separate storm sewer systems (MS4s). Storm water is runoff from rain or snow melt that runs off surfaces such as rooftops, paved streets, highways or parking lots and can carry with it pollutants such as: oil, pesticides, herbicides, sediment, trash, bacteria and metals. The runoff can then drain directly into a local stream, lake or bay. Often, the runoff drains into storm drains which eventually drain untreated into a local waterbody. For more information, see the Municipal Storm Water Program.


 

( Page last updated:  2/22/17 )

 
 

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