Va. Code § 62.1-264
To ensure that any ground water withdrawal permit issued for a public water supply does not impact a waterworks operation permit issued pursuant to § 32.1-172, the maximum permitted daily withdrawal shall be set by the Board at a level consistent with the requirements and conditions contained in the waterworks operation permit. This section shall not limit the authority of the Board to reduce or eliminate ground water withdrawals by a waterworks if necessary to protect human health or the environment. In promulgating regulations to implement this section, and in administering such regulations and this chapter, the Board shall consult and cooperate with the State Health Department to the end that effective, equitable management of ground water and safeguarding of public health will be attained to the maximum extent possible.
Va. Code § 62.1-264