Any conservation police officer appointed under the provisions of this title may, and shall when requested by a member of the governing body of a county, city or town, take samples of water from any stream in this Commonwealth when he has reason to believe that the water may be polluted. Any conservation police officer collecting any water sample shall take the sample in a clean container, seal it, and send it to the State Water Control Board. With the sample, the conservation police officer shall enclose a signed statement showing in reasonable detail the time and place at which the sample was taken. The officer shall keep the original of the statement and send the copy with the sample.
Va. Code § 29.1-213