Pretreatment Permit Applications

To apply for a pretreatment permit, fill out the appropriate form from the list below and mail or hand deliver to the NBC’s Pretreatment Section at 2 Ernest Street in Providence. If you have a question about which application is appropriate for you, please contact the NBC at (401) 461-8848 or

To download a PDF version of the permit application, just click on the title or the(Adobe Reader) icon. You must have Adobe Acrobat Reader installed on your computer to download a PDF file.

If your business is…

Suggested Permit Application

Auto washing operations, automotive repair facilities

Adobe Reader Automotive

Nursing homes, schools, apartment complexes, soup kitchens

Adobe Reader Commercial Building

Wet process operations that do not discharge to the sewer system

Adobe Reader Zero Discharge

Restaurants, cafeterias, food preparation establishments

Adobe Reader Restaurant

Industrial laundry facilities

Adobe Reader Industrial Laundry

Laundries, laundromats, dry cleaners


Adobe Reader Laundries, Laundromats, Dry Cleaners

Heavy commercial and industrial process wastewater discharges

Adobe Reader Long Form

Light commercial and industrial process wastewater discharges

Adobe Reader Short Form

Septage haulers wishing to use NBC septage receiving facility

Adobe Reader Septage Hauler

Dentists, hospitals, veterinarians, doctor’s office

Adobe Reader X-Ray Processing

Printers, photographers

Adobe Reader Film Processing

Supermarkets, food preparation/processing

Adobe Reader Supermarkets, Food Preparation/Processing

The NBC’s Guide to Understanding Your Wastewater Discharge Permit offers a section-by-section explanation of your discharge permit, but if the Guide doesn’t answer your questions, please give Pretreatment staff a call at (401) 461-8848 or email at Click here for the guide.

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