New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 400 - GROUNDWATER PROTECTION
Part Env-Wq 402 - GROUNDWATER DISCHARGE PERMITS AND REGISTRATIONS
Section Env-Wq 402.39 - Holding Tank Registration Applications
Universal Citation: NH Admin Rules Env-Wq 402.39
Current through Register No. 13, March 27, 2025
(a) Any person having or wishing to install a holding tank to receive flow from floor drains or other conduits in areas where regulated substances are used or stored shall apply to the department for a holding tank registration.
(b) The department shall register only holding tanks which receive non-domestic, non-hazardous wastewater.
(c) The owner of the facility whose floor drains are or will be connected to the holding tank shall register the holding tank by submitting the following information in writing to the department on or with a form obtained from the department:
(1)
The name, physical address, and property tax map and lot number of the
facility;
(2) The name, mailing
address, and daytime telephone number of the owner of the facility, if other
than the applicant, and if the facility owner is other than an individual, the
name and daytime telephone number of a contact person for the facility owner
and, if available, an e-mail address and fax number for the contact
person;
(3) The name mailing
address, and daytime telephone number of the property owner, if other than
facility owner, and if the property owner is other than an individual, the name
and daytime telephone number of a contact person for the property owner and, if
available, an e-mail address and fax number for the contact person;
(4) An original or color photocopy of a USGS
map, 7-1/2 minute series, which clearly identifies the facility
location;
(5) A site plan depicting
the location of the building and the location of the holding tank and
associated structures;
(6) A
description of the anticipated characteristics including analytical results, if
available, and volume of wastewater to be discharged to the holding
tank;
(7) A plan which includes
frequency of disposal, method of transport, and location of ultimate disposal
of the wastewater and residual solids;
(8) A complete description of the facility
and type of wastes or wastewater handled at the facility; and
(9) Design plans that meet the following
requirements:
a. The minimum holding tank
capacity shall be 1,000 gallons;
b.
Holding tanks and piping shall be watertight and sealed with materials
compatible with the liquid or other material being stored;
c. Access shall be provided to each
compartment of the tank for inspection and cleaning by means of a removable
cover or manhole, the minimum diameter of which shall be 20 inches;
d. Manholes shall extend to finished
grade;
e. The entire tank shall be
designed for the expected maximum structural load, with ballast provided to
prevent structural damage when the tank is emptied; and
f. An alarm with both visual and audio
signals shall be activated once the water level reaches 80% of the maximum
storage capacity.
Disclaimer: These regulations may not be the most recent version. New Hampshire may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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