The provisions of this Section shall not apply to properly functioning sewage collection, treatment, and disposal systems in use or for which a valid permit to install a system has been issued prior to July 1, 1977. This provision is applicable only where the sewage flow and sewage characteristics are unchanged. This provision does not affect the requirements for system operation, maintenance, and management in accordance with Rule .1961 of this Section.
History Note: Authority G.S. 130A-335(e); Eff. July 1, 1982;
Amended Eff. August 1, 1991; December 1, 1990.