A grease trap shall be installed on the kitchen waste line preceding the septic tank when the tank serves a boardinghouse, cafe, restaurant, hotel or other public eating place. The grease trap shall have a theoretical detention period of at least thirty minutes.
Grease traps
S.C. Code Ann. § 44-55-660, under Title 44, Chapter 55.
S.C. Code Ann. § 44-55-660