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Virginia Administrative Code
Title 12. Health
Agency 5. Department of Health
Chapter 462. Swimming Pool Regulations Governing the Posting of Water Quality Test Results
10/31/2025

12VAC5-462-290. Water quality standards.

Free chlorine and bromine residuals and pH values and temperature shall be continuously maintained within the following ranges:

1. Pools.

Water Quality Standards

Free Residual Disinfectant

Minimum

Maximum

Chlorine

1.0 ppm

3.0 ppm

Bromine

2.0 ppm

4.0 ppm

pH

7.2

7.8

Temperature

none

104° Fahrenheit
(40° Celsius)
(Heated Pools Only)

2. Spas.

Water Quality Standards

Free Residual Disinfectant

Minimum

Maximum

Chlorine

2.0 ppm

10.0 ppm

Bromine

2.0 ppm

10.0 ppm

pH

7.2

7.8

Temperature

none

104° Fahrenheit
(40° Celsius)

Statutory Authority

§§ 32.1-12 and 32.1-248.1 of the Code of Virginia.

Historical Notes

Derived from VR355-35-700 § 4.2, Virginia Register Volume 10, Issue 20, eff. August 1, 1994.

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