(a)  A supply which is in violation of Rule .1725(c)(1) of this Section may be used provided that the supply shall be continuously disinfected and a chlorine residual is maintained of at least 0.2 mg/l by use of equipment designed for this purpose.  An operator shall be required for a water supply using continuous disinfection.  The operator shall hold a valid certificate issued by the N.C. Water Treatment Facility Operators Certification Board. 

(b)  The owner, operator, or permittee shall provide to the Department a statement from the operator that a supply using continuous disinfection has a minimum chlorine residual of 0.2 mg/l and a chlorine contact time of at least 20 minutes.

(c)  A disinfection device shall not be used to comply with a violation of Rule .1725 (b)(1) of this Section.


History Note:        Authority G.S. 95‑225; 130A‑5(3); 130A‑228; 130A‑230; 130A‑235; 130A‑236; 130A‑248; 130A‑257;

Eff. July 1, 1993.