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37.111.1152    OPERATION, CLEANING AND MAINTENANCE

(1) An accurate record showing the daily operation of the swimming pool or spa must be maintained at the facility. This record must include information regarding the sanitation and safety aspects of the pool or spa, including but not limited to disinfectant residuals, pH, combined chlorine, cyanuric acid, water temperature, maintenance records, and bather load. All sanitation and safety aspect tests must be conducted if appropriate for the type of pool or spa operation. Where conducted, the sanitation and safety aspect tests, excluding testing for cyanuric acid residuals, must be tested at least twice daily, or more frequently if required to ensure that water safety and sanitation standards are met. Cyanuric acid residual testing must be conducted at least weekly, or more frequently if required to ensure that water safety and sanitation standards are met, for swimming pools or spas which utilize either cyanuric acid or a stabilized chlorine compound utilizing cyanuric acid as a chlorine stabilizer. These records must be kept on file for 12 months for review by the regulatory authority. The swimming pool or spa must furnish copies of the records to the department upon the department's request.

(2) All swimming pools, spas, and appurtenances thereto shall be maintained in a clean and sanitary condition at all times.

(3) Visible dirt on the bottom of the swimming pool or spa shall be removed once daily, or more often if necessary to keep the pool or spa bottom clean.

(4) Visible scum or floating material on the surface of the swimming pool or spa shall not be permitted and shall be removed by flushing or skimming or other effective means.

(5) The swimming pool or spa operator shall be responsible for maintaining the sanitary quality of the swimming pool or spa water at all times.

(6) The swimming pool or spa operator shall immediately correct any condition which is not in compliance with these rules and if unable to do so shall notify the regulatory authority.

(7) Spas that are not flow-through hot springs spas and are used primarily for soaking or recreational bathing must be operated at a water temperature not exceeding 104 E F as determined by the use of an inline thermometer.

(8) Spas must be drained, thoroughly cleaned, and sanitized using any of the frequency standards in (8) (a) , (b) or (c) below, which must be documented in the sanitary and safety aspect test records specified in ARM 37.111.1152(1) :

(a) weekly; or

(b) when the total dissolved solids reach 1500 ppm above water supply level; or

(c) when required as determined by utilizing the formula: (number of spa gallons ) 3) ) number of bathers in a 24 hour period = number of days before dumping.

(9) Every spa must have a clock visible from the spa so that bathers can monitor the time they have spent in the spa.

(10) Operators of public swimming pools and spas must be thoroughly knowledgeable of good practices of pool operation and with the laws and rules pertaining to public pools and spas.

History: Sec. 50-53-103, MCA; IMP, Sec. 50-53-106 and 50-53-107, MCA; NEW, 1985 MAR p. 782, Eff. 6/28/85; AMD, 1996 MAR p. 1505, Eff. 6/7/96; TRANS, from DHES, 2001 MAR p. 2425.

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