REQUIRED TURNOVER RATES
The required turnover rates vary depending on the type and age of the pool. There are three types of pools: (1) Swimming Pool, (2) Wading Pool, and (3) Spa Pool. Pools built before 1986 have a lower turnover rate required than those pools built after 1986. Required Turnover Rates
| Type of Pool | Before 1986 | After 1986 |
| Swimming Pool | 8 hours | 6 hours |
| Wading Pool | 2 hours | 1 hours |
| Spa Pool | 1 hour | 1/2 hour |
Example:
What would be the required turnover and flow rate for a 13,500-gallon swimming pool built in 1988? Answer: The required turnover rate is 6 hours, or 360 minutes, and the flow rate is required to be 37.5 gallons/minute.
FLOW RATE = 13,500 gallons / 360 minutes = 37.5 gpm