40 CFR 141.43 - Prohibition on use of lead pipes, solder, and flux.
(a) In general -
(1) Prohibition. Any pipe, solder, or flux, which is used after June 19, 1986, in the installation or repair of -
(i) Any public water system, or
(ii) Any plumbing in a residential or nonresidential facility providing water for human consumption which is connected to a public water system shall be lead free as defined by paragraph (d) of this section. This paragraph (a)(1) shall not apply to leaded joints necessary for the repair of cast iron pipes.
(b) State enforcement -
(1) Enforcement of prohibition. The requirements of paragraph (a)(1) of this section shall be enforced in all States effective June 19, 1988. States shall enforce such requirements through State or local plumbing codes, or such other means of enforcement as the State may determine to be appropriate.
(c) Penalties. If the Administrator determines that a State is not enforcing the requirements of paragraph (a) of this section, as required pursuant to paragraph (b) of this section, the Administrator may withhold up to 5 percent of Federal funds available to that State for State program grants under section 1443(a) of the Act.
(d) Definition of lead free. For purposes of this section, the term lead free:
(1) When used with respect to solders and flux refers to solders and flux containing not more than 0.2 percent lead;
(2) When used with respect to pipes and pipe fittings refers to pipes and pipe fittings containing not more than 8.0 percent lead; and
(3) When used with respect to plumbing fittings and fixtures intended by the manufacturer to dispense water for human ingestion refers to fittings and fixtures that are in compliance with standards established in accordance with 42 U.S.C. 300g-6(e).