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New Hampshire Department of Environmental Services

Groundwater Discharge Permitting and Registration
Floor Drains and Discharges to Groundwater Registration

To protect groundwater quality and maintain a statewide inventory of non-domestic wastewater discharges.

Any regular discharge of non-domestic wastewater to the ground or groundwater must register.

Statute and Administrative Rules
RSA 485-A:13 Water Pollution And Waste Disposal/Water Discharge Permits
RSA 485:3, X New Hampshire Safe Drinking Water Act/Public Water Supply Protection Program
RSA 485-C:6 Groundwater Protection Act/Ambient Groundwater Quality Standards
Env-Wq 402 Groundwater Discharge Permit and Registration Rules

Registration and Notification Form for Floor Drains and Discharges to GroundwaterMicrosoft Word Symbol


Processing Time
Typically seven to 14 days.

No expiration.

A new registration must be submitted to NHDES that clearly states and provides the rationale for any proposed changes to the quality or quantity of the wastewater discharged.

The registrant (facility owner) must provide the new owner’s name, mailing address, and daytime telephone number in writing to NHDES within 10 days of the transfer. The new owner must register the discharge with NHDES within 30 days of the transfer.

Any person aggrieved by a final decision can appeal to the Water Council  in accordance with RSA 21 0:7.

Status of Current Applications
Groundwater Permit Search

More Information
Examples of discharges authorized through this registration include non-contact cooling water, beauty salon wastewater, kennel wastewater, and discharges from bathroom floor drains.

Protecting Groundwater from Floor Drains and Other Typical Discharges Adobe Acrobat Reader Symbol(Fact Sheet WD-DWGB-22-9)
Holding Tanks for Floor Drains Adobe Acrobat Reader Symbol(Fact Sheet WD-DWGB-22-8)
Discharge Well & Floor Drain Pre-Closure Notification Form

Contact Us
Groundwater Discharge Permitting and Registration or (603) 271-2858.



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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

copyright 2017. State of New Hampshire