section .1500 – approval and use of residential wastewater treatment systems

15A NCAC 18E .1501      GENERAL

(a)  RWTS that comply with NSF International Standard 40 for Class I residential wastewater treatment systems shall be designed, constructed, and installed in accordance with this Section to serve facilities with a DDF less than or equal to 1,500 gpd.

(b)  RWTS shall only be used with DSE.

(c)  RWTS shall bear one of the following to certify that the product is in accordance with NSF/ANSI Standard 40:

(1)           the NSF mark and the NSF listed model number; or

(2)           the certification mark and listed model number of a third-party certification program accredited by ANSI to certify RWTS in accordance with NSF/ANSI Standard 40.

(d)  For approval of an RWTS as a PIA System, a manufacturer shall apply in accordance with Section .1700 of this Subchapter.

History Note:        Authority G.S. 130A-342;

Eff. January 1, 2024.