1. (a) As required by RSA 485-A:38, I, the owner of a structure shall submit an application for approval of an ISDS to serve the structure prior to expanding the structure or any change in use of the structure, such that the load on the sewage disposal system would increase.

2. (b) Prior to submitting an application pursuant to (a), above, the owner shall work with a permitted designer to determine whether the ISDS serving the structure is a state-approved ISDS that:

   1. (1) Meets the requirements of Env-Wq 1000 in effect at the time the expansion or conversion, as applicable, is proposed;
   2. (2) Is sized to accommodate the proposed use;
   3. (3) Does not need to be modified, such as by adding gravity grease interceptor; and
   4. (4) Meets the minimum standards for use or occupancy of the town or city in which the property is located.

3. (c) No application for a new ISDS shall be required if:

   1. (1) The ISDS serving the structure meets the criteria specified in (b), above;
   2. (2) The property is not within the protected shoreland; and
   3. (3) The property meets the definition of full-time use or occupancy as of January 1, 1990.
4. (d) If the criteria of (c), above, are not met, the property owner shall work with a permitted designer to submit an ISDS application in accordance with Env-Wq 1003.

Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; amd by #12716, eff 1-24-19; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36 (formerly Env-Wq 1004.23)