: 6-201.11--- RAW WOODEN BACKSPLASH OF THE UTILITY SERVICE SINK MUST BE PAINTED/SEALED TO BE SMOOTH, CLEANABLE AND NON-ABSORBENT.
Source: Cook County (Chicago) health department. Data refreshed September 4, 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.