§ 16.15.260. Public spas.

A.

In addition to the other requirements of this section, public spas, including public hot tubs, shall meet the standards set out in the April 1981 edition of Suggested Health and Safety Guidelines for Public Spas and Hot Tubs, published by the Centers for Disease Control, Public Health Service, United States Department of Health and Human Services, the requirements of which are adopted by reference in this chapter.

B.

Continuous disinfection is required for spas built after June 4, 1983.

C.

An automatic sensor control is required for disinfectant and pH.

D.

A disinfectant other than chlorine or bromine may be allowed under 16.15.080.

E.

The free chlorine residual shall be kept at a minimum of 2.0 mg/l and a maximum of 10 mg/l.

F.

The pH level shall be between 7.2 and 7.6 when the spa is in use.

G.

The free chlorine or bromine residual and pH shall be measured every two hours when the spa is in use.

H.

Total alkalinity shall be kept between 100 and 140 mg/l, and shall be measured at least weekly.

I.

An air circulation rate of at least six air exchanges per hour shall be provided in the room containing the spa.

J.

A spa, including a hot tub, shall comply with 16.15.100 O.—Q., 16.15.160, and 16.15.190.

K.

A spa, including a hot tub, with wooden interior surfaces is prohibited.

L.

A spa, including a hot tub, shall be completely drained whenever:

(1)

The operator determines that the water requires replacement;

(2)

The number derived by dividing one-third of the total capacity, in gallons, of the spa by the number of bather periods since the spa was last filled equals the number of days since the spa was last filled; or

(3)

The total dissolved solids reach 1,500 PPM; if this method is used, the total dissolved solids shall be measured daily, with results recorded in the log.

(AO No. 99-11, § 6, 2-9-99)