OAR 333-062-0090
Overflow Systems


All public spa pools shall be operated with a continuous overflow.


Intentionally left blank —Ed.


Where surface skimmers are used, the flow rate through the skimmer shall be designed to provide 50 percent of the total turnover rate with a maximum flow through any single skimmer of 30 gpm;


The minimum acceptable width for the intake throat of a skimmer, measured at the wider location, shall be 5”;


Where surface skimmers are used as the sole overflow system, one surface skimmer shall be provided for each 100 square feet (9.3 m2) or fraction thereof of the spa’s surface area. If a conflict arises between subsection (a) of this section and this subsection, the subsection requiring the greatest number of skimmers shall apply;


When two or more skimmers are used in a spa, they shall be located so as to maintain effective skimming action over the entire surface area of the spa.
Last Updated

Jun. 8, 2021

Rule 333-062-0090’s source at or​.us