Business First Steps Business First Steps Business First Steps

Environmental Protection

Wastewater Treatment and Disposal System Permits (Large Systems)

Large (greater than 2,500 gallons per day) On-Site Wastewater Systems

Permits issued to Public Utilities, Municipalities, Industries and Developers to construct, operate and maintain an On-Site Wastewater Treatment and Disposal System with design flows greater than 2,500 gallons per day.

More Information

Department: DNREC

Division: Water

Office: Ground Water Discharges Section


Permit issued for a maximum term of 5 years


Application Form

Please contact the State of Delaware Ground Water Discharge Division for the application.

Applicable Laws

Applicable Rules and Regulations


Ronald Graeber can be contacted by email at and by phone at 302-739-9948.


This search covers most of the frequently requested licenses, certifications, registrations, and filings that the State of Delaware requires. However, this is not a fully exhaustive list of every possible requirement. Please consult with the appropriate state agencies to find out if there are additional requirements you must fulfill.

Start a new search