All biotechnology operations that send their wastewater to the King County sewer system need to follow the same regulations and best management practices for managing their wastewater.
Some operations also need formal authorization to send their wastewater to the sewer.
Who needs formal authorization?
|Authorization not required||Authorization required
(see process below)
|Bench (laboratory) scale operations with a daily discharge volume of process wastewater less than 25,000 gallons per day
||Bench (laboratory) scale operations with a daily discharge volume of processed wastewater of at least 25,000 gallons per day|
|Pilot scale operations|
|Full scale operations|
How to get formal authorization
Complete the standard Industrial Waste Program Survey .
- Include the Delegation of Signatory Authority form if necessary.
Complete the Biotechnology Supplementary Questionnaire .
Submit forms with required signatures to King County Industrial Waste.
What happens next
King County will review your forms. You may be asked to complete a Standard Industrial Waste Program Wastewater Discharge Permit Application .
Your permit or letter of authorization to discharge wastewater into the sewer system may require self-monitoring. View and download the self-reporting forms.