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Water Quality Program

Industrial Stormwater General Permit

New item Ecology will reissue the Industrial Stormwater General Permit on December 3, 2014

The current Industrial Stormwater General Permit (ISGP) will expire on January 1, 2015.

Ecology revised the reissuance schedule, and plans to issue the new ISGP on December 3, 2014, with an effective date of January 2, 2015.


Draft Permit


Permit and Documents

Discharge Monitoring Reports (DMRs)

Permit Applications and Forms
Conditional No Exposure (CNE) application and eligibility criteria, public notice requirements

Engineering Reports, Developing a Stormwater Pollution Prevention Plan, FAQs, Reducing Zinc, How to Sample

Historical Information
Public Comments from previous permits and other documents



Questions? Contact Jeff Killelea at 360-407-6127 or jeff.killelea@ecy.wa.gov



Adding or Changing Sampling Locations

ECOSS Presents: Industrial Stormwater Management Workshops
Next workshop: 12/08/14

Find a Lab to Analyze Stormwater Samples

SWPPP Template
-Word docx version
-Word doc version

Monthly Site Inspection Form
-Word docx version
-Word doc version


Contact Us - Contact your Permit Administrator for permit assistance or your Regional Office for site specific questions

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