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Virginia Administrative Code (Last Updated: January 10, 2017) |
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Title 12. Health |
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Agency 5. Department of Health |
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Chapter 590. Waterworks Regulations |
Section 510. Acceptable operating practices
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A. This section is not intended to be all inclusive but reflects the concern for the public health significance of certain practices related to treatment plant operation.
B. Waterworks designed for bacteria and turbidity removal shall not be operated without adequate chemical coagulation as determined by the division.
C. Waterworks utilizing filtration in the treatment process shall not vary the rate of filtration through any single filtering unit above its design capacity unless approved by the division.
D. Filtering units equipped with rewash facilities shall not be returned to service after backwashing until being thoroughly rewashed.
E. All waterworks shall provide a minimum working pressure of 20 psi at all service connections.
Historical Notes
Derived from VR355-18-005.07 § 2.18, eff. August 1, 1991; amended, Volume 09, Issue 17, eff. June 23, 1993.