Section 435.32 - Water Quality Maintenance(1) Clarity and cleanliness of the water in a swimming, wading or special purpose pool shall be maintained by a continuous recirculation of the water through an appropriate filtration system approved by the Board of Health. The following minimum turnover rates shall be maintained: (a) swimming pools-once every eight hours,(b) wading pools-once every four hours,(c) special purpose pools-once every 1/2 hour.(2) The operator of a special purpose pool shall cause the pool to be drained, cleaned, and refilled a minimum of once every 14 days.