Saint Paul, Minn., Legis. Code ch. 34 § 34.35

The owner of any premises regulated by this section, as specified in section 34.03, shall comply with the following requirements: (1)
Plumbing:
a. Connected to water and sewer system. Every kitchen sink, hand sink, bathtub, shower, toilet or urinal which is supplied must be connected to an adequate water and sewer system in accordance with the plumbing code. Each of these facilities shall be supplied with running water. Every kitchen sink, hand sink, bathtub or shower shall be supplied with adequate hot and cold running water in accordance with the plumbing code.
b. Plumbing fixtures and systems. In every structure, every waterline, plumbing fixture, drain, stack, waste, vent and sewer line shall be properly installed, connected and maintained in working order and must be kept free from obstructions, leaks and defects and capable of performing the function for which it was designed. All repairs and installations must be made in accordance with the provisions of the plumbing code.
(2) Water heating facilities. All water heating facilities shall be installed in accordance with the plumbing and mechanical codes, properly maintained and properly connected with hot water lines required under paragraph (1) of this section. An adequate amount of water shall be available at every kitchen sink, hand sink, bathtub, shower and laundry facility or other similar units in accordance with the plumbing code.
(3) Heating facilities. Every building or occupied portion of a building shall have heating facilities that are properly installed, safely maintained and in good working condition, and capable of safely and adequately heating all habitable spaces located therein to a temperature of at least sixty-eight (68) degrees Fahrenheit with an outside temperature of minus twenty (-20) degrees Fahrenheit. The owner shall maintain a minimum room temperature of sixty-eight (68) degrees Fahrenheit. Installation, repair or alteration of heating facilities, space heaters and water heating facilities shall be in accordance with the Legislative Code, Chapter 33, and the state mechanical code. The enforcement officer may require the owner of the property to provide current proof of service of any heating or space heating facility by a licensed contractor, which must include a carbon monoxide reading. Every space heating, cooking and water heating device located in a structure shall be properly installed, connected, maintained and capable of performing the function for which it was designed in accordance with the provisions of the plumbing and mechanical codes.
(4) Refuse and garbage storage and removal. The owner or operator of every building shall ensure that an adequate number of approved containers with covers impervious to weather for storage of refuse and garbage and adequate removal are supplied for each building.
(5) Electrical.
a. Electrical service must be adequate to safely meet the electrical needs of the structure and occupancies. Every electrical outlet, fixture and all wiring shall be installed, maintained and connected to the source of electric power in accordance with the building code in effect at the time of construction or as altered/modified under an approved building permit.
b. Every common hall and inside stairway in every structure shall be adequately lighted at all times in accordance with the building code in effect at the time of construction or as altered/modified under an approved building permit.