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Index of State of Delaware Business Licenses and Registrations
Licenses for wastewater treatment and disposal systems are issued to Percolation Testers, Property Owners (doing their own percolation testing), Designers of wastewater treatment systems, Site Evaluators, System Contractor/Installers and System Inspectors are all licensed by Division of Water, Ground Water Discharges Section.
Please see links provided for more information.
The Licensing Coordinator can be contacted 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.