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 1010 - SEPTIC TANKS
Section Env-Wq 1010.14 - Replacement of Septic Tanks

Universal Citation: NH Admin Rules Env-Wq 1010.14

Current through Register No. 13, March 27, 2025

(a) A septic tank may be replaced without department approval only if:

(1) The existing septic tank is replaced with one or more tanks of the same liquid capacity or larger;

(2) The replacement tank is installed in the location of the existing tank so that no waiver to any set-back is needed;

(3) The ISDS does not need to be repaired or replaced, as defined in Env-Wq 1002; and

(4) The replacement tank is installed by a permitted installer, except a homeowner may replace the tank for the homeowner's own domicile.

(b) Any septic tank(s) replaced or added as part of a replacement ISDS shall be shown on the plans submitted with the application.

(c) If below-grade plumbing fixtures are to be connected to an existing state-approved ISDS, amended plans shall be submitted as specified in Env-Wq 1004.08 if the liquid capacity of septic tank is required by Env-Wq 1010.01(i) to be increased and a septic tank is added or a single-compartment septic tank is replaced with a multi-compartment septic tank.

(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; ss by #9904-A, eff 4-16-11

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