Section 5-203.13 - Service Sink(A) Except as specified in ¶ (C) of this section, at least 1 service sink or 1 curbed cleaning facility equipped with a floor drain shall be provided and conveniently located for the cleaning of mops or similar wet floor cleaning tools and for the disposal of mop water and similar liquid waste.(B) Toilets and urinals may not be used as a service sink for the disposal of mop water and similar liquid waste.(C) An alternative method may be APPROVED by the DEPARTMENT.Wis. Admin. Code Department of Health Services § 5-203.13