public water system supervision program
(1) The term “public water system supervision program” means a program for the adoption and enforcement of drinking water regulations (with such variances and exemptions from such regulations under conditions and in a manner which is not less stringent than the conditions under, and the manner in, which variances and exemptions may be granted under sections 300g–4 and 300g–5 of this title ) which are no less stringent than the national primary drinking water regulations under section 300g–1 of this title , and for keeping records and making reports required by section 300g–2(a)(3) of this title .