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 1002 - DEFINITIONS
Section Env-Wq 1002.40 - Large-diameter graveless pipe (LDGP) system
Universal Citation: NH Admin Rules Env-Wq 1002.40
Current through Register No. 13, March 27, 2025
"Large-diameter graveless pipe (LDGP) system" means an ISDS where the effluent conduits are pipes that are at least 10 inches in diameter with perforations throughout their circumferences, wrapped in non-woven fabric material separated from the pipe by an intermediate layer, and embedded in sand, such that the biomat interface is formed on the inside of the non-woven fabric.
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08
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