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 1009 - SEWER LINES
Section Env-Wq 1009.03 - Manholes and Clean-outs in Long Runs
Universal Citation: NH Admin Rules Env-Wq 1009.03
Current through Register No. 13, March 27, 2025
(a) Manholes shall be provided every 350 feet in long sewer runs and at each change in slope or direction.
(b) Manholes shall conform to standards set for municipal installations in Env-Wq 700.
(c) When the run of a gravity sewer designed to carry solids is greater than 100 feet but less than 350 feet with no change in slope or direction such that manholes are not used, a clean-out shall be provided every 100 feet that does not have a septic tank tie-in.
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08
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