All plumbing fixtures shall be properly installed and maintained in working order, and shall be kept free from obstructions, leaks and defects and be capable of performing the function for which such plumbing fixtures are designed. All plumbing fixtures shall be maintained in a safe, sanitary and functional condition.
(A) Fixtures. All plumbing fixtures shall be connected to a sanitary sewer or to an approved private sewage disposal system. All plumbing fixtures shall be connected to an approved system of water supply and provided with hot and cold running water necessary for its normal operation. All plumbing fixtures shall be of an approved glazed earthenware type or of a similarly nonabsorbent material.
(B) Plumbing system leaks. Leaking drain or supply lines shall be repaired or replaced. All unsafe conditions shall be corrected.
(C) Plumbing system hazards. Where it is found that a plumbing system in a structure constitutes a hazard to the occupants or to the structure by reason of inadequate service, inadequate venting, improper installation, deterioration or damage or for similar reasons, the code official shall require the defects to be corrected to eliminate the hazard.
(D) Contamination. The water supply shall be maintained free from contamination, and all water inlets for plumbing fixtures shall be located above the flood-level rim of the fixture as required by the Minnesota State Plumbing Code. Hose bibs or faucets to which hoses are attached and left in place, shall be protected by an approved atmospheric-type vacuum breaker or an approved permanently attached hose connection vacuum breaker.
(E) Hazardous plumbing. Plumbing that was installed in violation of code requirements in effect at the time of installation or plumbing not installed in accordance with generally accepted construction practices in areas where no codes were in effect or that has not been maintained in good condition or that is not free of cross-connections or siphonage between fixtures shall be considered substandard.