New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 1000 - SUBDIVISIONS; INDIVIDUAL SEWAGE DISPOSAL SYSTEMS
Part Env-Wq 1023 - OPERATING REQUIREMENTS
Section Env-Wq 1023.02 - Gravity Grease Interceptor Inspection and Pumping Requirements
Universal Citation: NH Admin Rules Env-Wq 1023.02
Current through Register No. 13, March 27, 2025
(a) Gravity grease interceptors shall be inspected for accumulation of sludge and surface scum or grease at a frequency sufficient to allow the tank to be pumped by a licensed septage hauler when the combined thickness is equal to 25% or more of the tank depth or the sludge is at the level of the outlet tee.
(b) Grease shall be removed from a gravity grease interceptor only by a licensed septage hauling vehicle.
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08
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