§ 5-226. Water quality.

(a)

All water supplies to a swimming pool must meet all applicable regulations of Prince George's County and the Secretary of Health and Mental Hygiene of the State of Maryland.

(b)

All pools shall maintain a minimum concentration of free residual chlorine in the water in all parts of the swimming pool between 1.5 ppm and 10 ppm and between 3.0 ppm and 10 ppm for wading and therapy pools; if bromine is used, the total concentration shall be between 3.0 ppm and 10 ppm and 4.0 ppm and 8.0 ppm for wading and therapy pools.

(c)

If cyanuric acid is used, the concentration shall not exceed 100 ppm.

(d)

The pH of the pool shall be maintained between 7.2 and 7.8.

(e)

When any swimming pool is in use, the water shall be of sufficient clarity that the main drain can be clearly seen from all sides of the pool.

(f)

All chemicals added to the swimming pool water shall be fed by a mechanical feeder, or in a manner approved by the County Health Officer. All broken mechanical feeders must be repaired within twenty-four (24) hours. Chemicals added during this period must be in a manner approved by the County Health Officer.

(g)

Approved water-testing kits shall be provided at each pool for determining pH, free chlorine residual, using D.P.D. method of determination, and if used in the pool water, cyanuric acid. Free chlorine and pH readings must be taken and recorded a minimum of every two (2) hours when the pool is in operation. The ranges of test kit readings must be approved by the County Health Officer to determine that the kit is capable of monitoring the water chemistry adequately.

(h)

All chemicals added to the pool water must be approved by the County Health Officer. Any guidelines issued by the County Health Officer regarding the use of a particular chemical must be adhered to.

(CB-133-1980; CB-62-1996)