Multnomah County
847 NE 19th Ave, Suite 350, Portland, OR 97232 - Main (503) 988-3400 Fax (503) 988-5844 | Visit Official Website

Knot Springs - Cold Plunge

33 NE 3rd Ave Portland, OR 97232

Spa 2014 | Semi-Annual

July 13, 2023
Score : 0 Grade:
Observations & Corrective Actions

333-062-0165(1.9) VIOLATION OF OAR 333-062-0165 (1) The total alkalinity level does not comply with required water quality parameters. Specifically:TOTAL ALK IS 40 PPM
Corrective Actions: Maintain the total alkalinity level greater than 80 ppm and less than 175 ppm, the ideal range being 80-125 ppm. Most modern spa finishes are durable within this range as long as the calcium saturation is maintained and the water is balanced.CORRECT WITHIN RANGE

333-062-0165(1.3) VIOLATION OF OAR 333-062-0165 (1) The combined chlorine (chloramine) is greater than 0.5 ppm (0.5 mg / kg). Specifically:COMBINED CHLORINE IS .6
Corrective Actions: Maintain the combined chlorine (chloramine) residual within the range set out in spa Water Quality Parameters, OAR 333-062-0165, and Table 1, the ideal being 0.0 ppm, measured combined chlorine. Combined chlorine (chloramines) is irritating to swimmers and an air quality and health concern at indoor pools. Adequate ventilation is necessary when applying treatment in the spa pool basin. ADJUST DOWN TO 0.0 PPM

333-062-0165(1.1) VIOLATION OF OAR 333-062-0165 (1) The free available chlorine level is less than 1.5 ppm, specifically:FREE CHLORINE IS .6
Corrective Actions: CLOSE THE SPA POOL UNTIL A MINIMUM OF 1.5 ppm free available chlorine residual is achieved. Maintain the free available chlorine residual within the range set out in the spa Water Quality Parameters, OAR 333-062-0165, and Table 1, the ideal being 3.0 ppm, measured free available chlorine. Spa Pool Closure Criteria. IDEAL IS 3.0 TO 5.0PPM