35 Pa. Stat. § 723.3
The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Community water system." A community water system as defined in the Safe Drinking Water Act.
"Department." The Department of Environmental Resources of the Commonwealth.
"Environmental Hearing Board." The board established pursuant to section 1921-A of the act of April 9, 1929 (P.L. 177, No. 175), known as The Administrative Code of 1929, for the purposes set forth in that section.
"Environmental Quality Board." The board established pursuant to section 1920-A of the act of April 9, 1929 (P.L. 177, No. 175), known as The Administrative Code of 1929, for the purposes set forth in that section.
"Lead free." When used with respect to solders and flux, the term refers to solders and flux containing not more than 0.2% lead and, when used with respect to the wetted surfaces of pipes , pipe fittings, plumbing fittings and fixtures, the term refers to the wetted surfaces of pipes , pipe fittings, plumbing fittings and fixtures containing not more than a weighted average of 0.25% lead. The weighted average lead content of a pipe, pipe fitting, plumbing fitting or fixture shall be calculated by using the following formula:
The lead content of material used to produce wetted components shall be used to determine compliance with 0.25% weighted average for lead. For lead content of material that is provided as a range, the maximum content of the range shall be used.
"Local agency." A governmental unit other than a unit of the Commonwealth or the Federal Government. The term includes, but is not limited to, a county, city, borough, town, township or municipal authority.
"Nontransient noncommunity water system." A nontransient noncommunity water system as defined in regulations promulgated by the Environmental Protection Agency at 40 CFR 141.2.
"Person." Any individual, partnership, association, company, corporation, municipality, municipal authority or political subdivision, or any agency of the Federal or State government. The term includes the officers, employees and agents of any partnership, association, company, corporation, municipality, municipal authority or political subdivision, or of any agency of the Federal or State government.
"Plumbing system." All piping, fixtures and appurtenances used to transport water to, within and from a building, including all residential and nonresidential facilities and source, transmission, treatment and distribution facilities of public water systems.
"Public water system." A public water system as defined in the Safe Drinking Water Act.
"Safe Drinking Water Act." The act of May 1, 1984 (P.L. 206, No. 43) , known as the Pennsylvania Safe Drinking Water Act.
"State agency." Any Commonwealth department, board, commission or agency other than the Department of Environmental Resources.
"Water supplier." Any person who owns or operates a public water system.
35 P.S. § 723.3