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Water Quality Program

Industrial Stormwater General Permit

Ecology reissued the Industrial Stormwater General Permit on December 3, 2014

The Industrial Stormwater General Permit (ISGP) became effective on January 2, 2015.

New Permit and Related Documents

Permit and Documents

Discharge Monitoring Reports (DMRs)

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

New item Guidance
Developing a Stormwater Pollution Prevention Plan, Reducing Zinc, Sampling Manual

Historical Information
Public Comments from previous permits and other documents

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


New item Apply for Your Permit Coverage Online

NEW 12/23/2015 Stormwater Sampling Manual


Adding or Changing Sampling Locations

ECOSS Presents: Industrial Stormwater Management Workshops

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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