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New Hampshire Department of Environmental Services

Wastewater Engineering Bureau
Industrial Wastewater Indirect Discharge Permit

The municipality where the publicly-owned treatment works (POTW) is located, and proposed to receive the discharge, must certify the permit application prior to submitting the application, along with required fee, to the Wastewater Engineering Bureau for approval.

To prevent the discharge of pollutants to publicly-owned sewers or wastewater treatment facility (publicly-owned treatment works or POTW) that would pass through, interfere or otherwise be incompatible with its safety, performance or operation.

Any person or persons who discharge or dispose of any industrial waste into publicly-owned sewers or wastewater treatment facility.

Statute and Administrative Rules
RSA 485-A:5 Water Pollution and Waste Disposal/Pretreatment Standards
Env-Wq 305 Standards for Pretreatment of Industrial Wastewater

Industrial Wastewater Indirect Discharge Request (IDR) Application Microsoft Word Symbol

$1,000 application review fee when plans and specifications are required.
$50 application review fee when plans and specifications are not required.
These fees do not apply if the applicant is a municipality, county, state agency or school district.

Processing Time
Typically 15 to 30 business days once the application is deemed complete.

Void if the discharge does not commence within one year from the approval date.

Applicant must notify the municipality and the Wastewater Engineering Bureau of any changes to processes that may affect discharge quantity or characteristics for review and approval prior to implementing the changes.

Permit is transferable with notice to and approval from the municipality.

Any person aggrieved by a final decision can appeal the decision to the Water Council in accordance with Env-WC 200 .

Status of Current Applications
Contact Alexis Rastorguyeff at or (603) 271-2052.

More Information
Wastewater Engineering Bureau, Permits and Compliance
Guidelines for Industrial Pretreatment Indirect Discharge Request (IDR) Adobe Acrobat Reader Symbol(Fact Sheet WD-WEB-7)

Contact Us
Alexis Rastorguyeff at or (603) 271-2052.



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NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

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