An approved water system shall be flushed and disinfected after construction, repair, or modification and after an emergency situation, such as a flood, that may introduce contaminants to the system. A sample shall be collected from the water system and the results of the analysis shall be total coliform negative prior to placing the water system into service. P
2 Va. Admin. Code § 5-585-2060
Statutory Authority: § 3.2-5121 of the Code of Virginia.