Flow Rates / Turnover Times

Table 4.7.1.10: Aquatic Venue Maximum Allowable Turnover Times Type of PoolsTurnover MaximumActivity Pools2 hours or lessDiving Pools8 hours or lessInteractive Play*0.5 hours or lessLazy River2 hours or lessPlunge Pools1 hour or lessRunout Slide1 hour or lessWading Pools*1 hour or lessWave Pools2 hours or lessAll Other Pools6 hours or less*Shall have secondary disinfection systems Spa, Therapy*, & Exercise PoolsTemperaturesLoad Turnover Maximum? 72?-93?F (22?-34?C)> 2500 gals/person (9.46 m3)4 hours or less? 72?-93?F (22?-34?C)> 450 gals/person (1.7 m3)2 hours or less? 72?-93?F (22?-34?C)? 450 gals/person (1.7 m3)1 hour or less? 93-104?F (34?-40?C)All0.5 hours or less*Shall have secondary disinfection systems

Table 4.7.1.10: Aquatic Venue Maximum Allowable Turnover Times Type of Pools Turnover Maximum States with these Values in their Codes Activity Pools 2 hours or less FL, WI Diving Pools 8 hours or less IL, KY, MS, OR, UT, MD, MO-KC Interactive Play* 0.5 hours or less WI, MT, OH, AL-Baldwin, GA, MO-STL, NE Lazy River 2 hours or less MT, IL, IA, WI, MI Plunge Pools 1 hour or less IA, MA, MI, MT, NE, NH, WI, AL-Baldwin, OR, SC, TN Runout Slide 1 hour or less IA, UT, TN, SC, WI, NE, GA-Fulton, DE Wading Pools* 1 hour or less CO, GA, IN, IA, MI, MT, NH,OR, SC, TN, WA, FL, DE, MO-St. Charles, NE, TX, UT Wave Pools 2 hours or less IN, IA, SC, WI, AL-Baldwin, MT, NY, SD All Other Pools 6 hours or less MOST *Shall have secondary disinfection systems Spa, Therapy*, & Exercise Pools (from WI; similar to SC) Temperatures Load Turnover Maximum ? 72?-93?F (22?-34?C) > 2500 gals/person (9.46 m3) 4 hours or less ? 72?-93?F (22?-34?C) > 450 gals/person (1.7 m3) 2 hours or less ? 72?-93?F (22?-34?C) ? 450 gals/person (1.7 m3) 1 hour or less ? 93-104?F (34?-40?C) All 0.5 hours or less *Shall have secondary disinfection systems