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WATER QUALITY
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Industrial Stormwater General Permit
Purpose of the Permit ModificationThe permit modification is necessary to address the April 25, 2011 order by the Washington State Pollution Control Hearings Board, which required significant changes to the sampling and corrective action requirements. Ecology has also made revisions to the effluent limits for fecal coliform that apply to approximately eighty facilities discharging to 303(d)-listed impaired waterbodies. Other minor changes were made in response to public comments and to correct various errors and typos. Public Notice Process and CommentsEcology accepted written comments on the draft permit and fact sheet from February 1, 2012 to March 16, 2012. Ecology held four public workshops on the draft permit in Seattle, Vancouver, Mount Vernon, and Moses Lake. Ecology held one public hearing in Seattle on March 12, 2012. Draft Documents
Current Permit Documents
Contact Us - Contact your Permit Administrator for permit assistance or your Regional Office for site specific questions. Permit & Documents - Permit documents, list of dischargers. Discharge Monitoring Reports (DMRs) Forms and Permittee Help - Permit application, Conditional No Exposure application, public notice requirements. Guidance - Developing a Stormwater Pollution Prevention Plan, FAQs, Reducing Zinc, How to Sample. Find a Lab to Analyze Stormwater Samples Historical Information - Public Comments from previous permits and other documents. Sign up for the Industrial Stormwater General Permit information email list |
Guidance for Vehicle and Metal Recyclers Adding or Changing Sampling Locations Permit Compliance: Monitoring and Reporting ECOSS Presents: Industrial Stormwater Management Workshops SWPPP Template
Monthly Site
Inspection Form Appendix 4 - List of permittees that discharge pollutants of concern to impaired water bodies. Appendix 5
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Ecology has issued a final modified Industrial Stormwater NPDES
and State Waste Discharge General Permit May 16, 2012. The
modified permit is effective July 1, 2012. 
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.
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