Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 55-89 - Food, Lodging, and Recreation Safety
Chapter ATCP 76 - Safety, Maintenance, and Operation of Public Pools and Water Attractions
Subchapter III - Water Treatment Systems and Water Quality
Section ATCP 76.11 - Recirculation system
Current through August 26, 2024
(1) GENERAL. Each pool shall have a water recirculation system with disinfection treatment and filtration equipment consisting of overflow gutters or skimmers, main drains, inlets, pumps, piping, holding tanks, and filters. The system shall be operated continuously except for seasonal closing or during periods of necessary maintenance. P
Note: See s. SPS 390.14 for design requirements for the recirculation system.
(2) SKIMMERS AND RECIRCULATION FLOW. Skimmers and recirculation flow shall meet all of the following:
(3) SURGE TANKS. Surge tanks shall be operated within designed water levels.
(4) PUMPS. Pump operation shall meet all of the following:
Pool Type |
Turnover Time (in hours) |
Swimming |
6 |
Diving |
6 |
Lap Lanes |
6 |
Activity |
2 |
Interactive play attraction |
0.5 |
Leisure river |
2 |
Plunge |
1 |
Runout slide |
1 |
Vortex |
1 |
Wading pool |
1 |
Whirlpool |
0.5 |
Therapy and exercise pools |
See s. ATCP 76.11 Table B |
Cold soak |
4 |
s. ATCP 76.11 Table B Maximum Turnover Time for Therapy and Exercise
Pool Temperature in °F ( °C) |
Load (gals/person) |
Maximum-Turnover Time (hours) |
<72-93 (22-33 °C) |
> 2,500 |
4 |
<72-93 (22-33 °C) |
> 450 |
2 |
<72-93 (22-33 °C) |
> 450 |
1 |
>93-104 (33-40 °C) |
N/A |
0.5 |
N/A = not applicable. |
(5) FLOWMETERS, VALVES, AND GAUGES. Flowmeters, values, and gauges shall be all of the following:
(5m) PIPING. Piping shall comply with all of the following:
(6) FILTERS.
This section is created eff. 9-24-23 by CR 22-021.