Any user currently operating a grease interceptor/trap, shall be exempt from these requirements, except in those cases where the city determines that the following conditions exist:
A. Inadequate sizing of grease interceptor/trap;
B. Inadequate maintenance procedures exist;
C. FOG concentration exceeds two hundred mg/L;
D. Plumbing system which separates grease interceptor facility from remainder of the sanitary system is not placed; or
E. A sewage blockage has occurred or is occurring that, in the opinion of the city manager or his designee, may impact the public safety and welfare or the integrity of the public sanitary sewer.
Should an existing grease interceptor/trap be found to meet one of the conditions above, the user operating the grease interceptor/trap shall immediately improve the conditions to comply with the requirements. (Ord. 1485-95 § 2(part), 1995).