(1) Enough potable water for the needs of the food service establishment must be provided from a source constructed and operated in accordance with Title 75, chapter 6, MCA, and ARM Title 17, chapter 38, subchapters 1 and 2, applicable to public water and wastewater systems.

(2) All potable water not provided directly by pipe to the food service establishment from the source must be transported in a bulk water transport system in accordance with ARM Title 17, chapter 38, subchapter 5, Water Hauled for Cisterns.

(3) Bottled and packaged potable water must be obtained from a source that complies with (1) above and must be handled and stored in a way that protects it from contamination. Bottled and packaged potable water must be dispensed from the original container.

(4) Water under pressure at the required temperatures must be provided to all fixtures and equipment that use water.

(5) Steam used in contact with food or food contact surfaces must be free from any unsafe materials or additives.

(6) A reservoir that is used to supply water to a device such as a produce mister must be:

(a) maintained in accordance with manufacturer's specifications; and

(b) cleaned in accordance with manufacturer's specifications or according to the following procedures, whichever is more stringent:

(i) cleaning at least once a week by:

(A) draining and complete disassembly of the water and aerosol contact parts;

(B) brush-cleaning the reservoir, aerosol tubing, and discharge nozzles with a suitable detergent solution;

(C) flushing the complete system with water to remove the detergent solution and particulate accumulation; and

(D) rinsing by immersing, spraying, or swabbing the reservoir, aerosol tubing, and discharge nozzles with at least 50 mg/L hypochlorite solution.

(7) The department hereby adopts and incorporates by reference ARM Title 17, chapter 38, subchapters 1, 2 and 5, which are Montana department of environmental quality rules setting forth, respectively, maximum contaminant levels allowed in public drinking water supplies, requirements for the equipment and operation of systems for hauling water for cisterns, and plan review requirements for public water and wastewater systems. Copies of ARM Title 17, chapter 38, subchapters 1, 2 and 5 may be obtained from the Department of Public Health and Human Services, Health Policy and Services Division, Food and Consumer Safety Section, P.O. Box 202951, Helena, MT 59620-2951.

(8) Food service establishments with existing water systems that will not be changed or modified in their uses may not be subject to some or all of the provisions of Title 75, chapter 6, MCA, and ARM Title 17, chapter 38. These water systems must comply with the applicable laws and approval conditions that were in place at the time of the systems' approval. Also, these systems must comply with current monitoring, reporting, and drinking water quality requirements. Information on any of the requirements of this rule may be obtained from the Montana Department of Environmental Quality, P.O. Box 200901, Helena, MT 59620-0901.