V.I. Code tit. 19, § 1303 (2019)
2019 US Virgin Islands Code|Title 19 - Health|Part VI - Regulatory Provisions Concerning Public Health|Chapter 51 - Drinking Water|Subchapter I - Virgin Islands Safe Drinking Water Act|§ 1303. Virgin Islands Primary Drinking Water Standards

 (a) The Commissioner shall with the approval of the Governor promulgate and enforce Virgin Islands Primary Drinking Water Standards. Virgin Islands Primary Drinking Water Standards shall protect health to the extent feasible, using technology, treatment techniques, and other means, which are generally available on December 16, 1974. Maximum contaminant levels covered by revised National Primary Drinking Water Standards shall be set at a level at which no known anticipated adverse effects on the health of persons occur and which allows an adequate margin of safety. Treatment techniques covered by revised National Primary Drinking Water Standards shall require treatment necessary to prevent known or anticipated adverse effects on the health of persons to the extent feasible. Provided, that at any given time the Virgin Islands Primary Drinking Water Standards shall be no less stringent than the complete or revised National Primary Drinking Water Standards in effect at that time. (b) The Commissioner shall promulgate regulations that adopt, incorporate, and enforce, herein by reference the National Primary Drinking Water Regulations, as amended and supplemented from time to time, starting with amendments to the National Safe Drinking Water Act of 1996, as amended, and including all siting requirements, filtration and disinfection requirements, maximum contaminant levels, monitoring and analytical requirements, reporting requirements, public notification and record-keeping requirements as the Virgin Islands Primary Drinking Water Regulations, applicable to all public water systems (1) which consists only of distribution and storage facilities (and which does not have any collection and treatment facilities); (2) which obtains all of its water from but is not owned or operated by a public water system to which such regulations apply; (3) which does not sell water to any person; and (4) which is not a carrier which conveys passengers in interstate commerce. (c) The Commissioner shall adopt and implement adequate procedures for the enforcement of Virgin Islands Primary Drinking Water Standards, including monitoring, reporting and inspection procedures, that comply with regulations established by the Administrator pursuant to the Federal Act. (d) The Commissioner shall keep such records and make such reports with respect to his activities under subsections (a) and (c) above as may be required by regulations established by the Administrator pursuant to the Federal Act. (e) The Commissioner shall promulgate and enforce discretionary changes to the National Regulations as are necessary and appropriate to the special circumstances of the Virgin Islands in accordance with the discretionary authority permitted by the National Regulations, but the Virgin Islands Primary Drinking Water Standards shall be no less stringent than the National Primary Drinking Water Regulations in effect at the time.