6-201.11 Drain in floor under 2 compartment sink unclean.
Pipe under 2 compartments sink needs to be 1 inch above drain plate for back flow prevention.
Source: City of St. Louis, MO health department. Data refreshed October 16, 2026. Results are shown in the health department's own wording. This record is provided for general information; confirm current status with the health department before relying on it.