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Most facilities applying for approval to discharge industrial wastewater will submit the standard survey or permit application.

We know that the industrial waste authorization and application process is complex. Please contact us if you have questions and our staff will be happy to assist you. If you have difficulty viewing or downloading documents, please visit Software Help.

Industrial waste program survey

The standard Industrial Waste Program Survey and instructions , and Delegation of Signatory Authority form .

Upon evaluating your survey form, the Industrial Waste Program may be able to make a permitting decision based on the survey form or it will request that your facility submit a wastewater discharge permit application.

Wastewater discharge permit application

The standard Industrial Waste Program Wastewater Discharge Permit Application  and Instructions , and Delegation of Signatory Authority form

See also the special applications and supplementary forms, below.

Special applications and forms

There are specialized applications and supplementary forms for the following sectors:

Sector Forms to download
Biotechnology Industrial Waste Program Survey ,
Biotechnology Supplementary Questionnaire
Breweries Industrial Waste Program Survey ,
Breweries Supplementary Questionnaire
Commercial septage discharged to the King County sewer system Septage Acceptance Application
Construction site dewatering General Authorization form  or an Individual Authorization form
Contaminated industrial stormwater Supplemental application for discharge of contaminated stormwater
Dental practice wastewater May require a Dental Wastewater Discharge Permit Application
(see also application instructions )
Medical facilities May require a Discharge Application for Hospitals/Medical Laboratories
Metal finishing Industrial Waste Program Survey ,
Metal finishing Supplementary Questionnaire
Wineries Industrial Waste Program Survey ,
Wineries Supplementary Questionnaire
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206-477-5300

206-263-3001