If used, a grease trap shall be located to be easily accessible for cleaning as required by the State Uniform Plumbing Code, chs. SPS 381 to 387, as enforced by the Wisconsin department of safety and professional services.
Wis. Admin. Code Department of Agriculture, Trade and Consumer Protection 5-402.12
Contact the Safety and Buildings Division at the department of safety and professional services, P.O. Box 2509, Madison, WI 53701, telephone 608-266-3151 and 711 (TTY) or https://dsps.wi.gov/pages/home.aspx.