RSA 485-A:33:
IV. (a) The repair or replacement in-kind of a sewage effluent disposal area shall qualify for a permit by rule, provided all of the following criteria are met:
(1) The existing system receives only domestic sewage.
(2) There is no increase in sewage loading proposed for the repaired or replacement system.
(3) The bottom of the bed is located no less than 24 inches above the seasonable high water table.
(4) The system is located 75 feet or more from an abutter's well unless there is a standard well release form recorded with the registry of deeds in accordance with RSA 485-A:30-b or there is an existing department waiver to the distance for the abutter's well.
(5) The system is located 75 feet or more from the owner's well unless there is an existing department waiver to the distance for the owner's well.
(6) The existing system received prior construction and operational approval from the department and the replacement or repaired system will conform to the provisions of such approval, provided the department may by rule require a minimum septic tank size of 1,000 gallons.
(7) The system is not within 75 feet of any surface water, water supply well, or very poorly drained soil unless authorized by the prior departmental approval described in subparagraph (6).
(8) No new waivers to the department's rules are requested.
(9) The system has not been previously repaired or replaced under a permit by rule in accordance with the provisions of this paragraph.
(b) Construction of the system may proceed upon the submission of an application to the department by a permitted designer under RSA 485-A:35 and receipt of the permit by rule from the department.
(c) The repaired or replacement system shall not be covered or placed in operation without final inspection and approval by an authorized agent of the department. All inspection by the department shall be accomplished within 7 business days after receipt of written notice from the installer that the system is ready for inspection. The installer shall provide the authorized agent of the department, at the time of the inspection, a copy of the previously approved plan bearing the state approval stamp and associated operational approval, and an existing conditions plan bearing the seal of the permitted designer performing work under the permit by rule.
(d) The applicant submitting the permit by rule application shall assume all liability and responsibility for the components of the design that are part of the system being repaired or replaced under the permit by rule.
(e) The installer constructing the system shall assume all liability and responsibility for the construction of the system components repaired or replaced under the permit by rule.
(f) For purposes of this paragraph, "in-kind" shall mean a repair or replacement of the effluent disposal area in strict accordance with what is shown on the previously approved plan.
N.H. Admin. Code Env, Env-Wq, ch. Env-Wq 1000, app E