Section Env-Or 306.05 - Management of Stormwater and Other Precipitation(a) Stormwater or other precipitation that collects at an AST facility within a secondary containment area or oil transfer containment area shall be removed by the manually-activated pump or siphon or gravity drain pipe with which the containment area is equipped.(b) No person shall undertake a controlled discharge of stormwater to the environment from an oil transfer containment area or secondary containment structure unless the stormwater has no oil sheen or known gasoline contamination.(c) Stormwater that is contaminated with oil shall be discharged to an enclosed container for transport to a location authorized to receive the contaminated water, unless a groundwater discharge permit is obtained in which case the stormwater shall be treated to remove the oil prior to discharge in compliance with the permit.(d) All stormwater discharges shall be performed in accordance with all applicable local, state, and federal requirements.(e) Accumulated stormwater shall be drained as soon as practical and frequently enough to ensure that sufficient containment volume is always available to contain a release from the largest tank being contained.N.H. Admin. Code § Env-Or 306.05
(See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14