Washington § 43.70.840 - Lead contamination in drinking water in school buildings — Technical guidance.

Full text of Washington Revised Code of Washington § 43.70.840 — Lead contamination in drinking water in school buildings — Technical guidance., with citation guidance and answers to common questions.

§ 43.70.840. Lead contamination in drinking water in school buildings — Technical guidance.

The department shall develop and make available technical guidance for reducing lead contamination in drinking water at schools that is at least as protective of student health as any technical guidance on this topic issued by the United States environmental protection agency. The technical guidance must include the technical requirements for sampling, processing, and analysis, including that analysis must be conducted by a laboratory accredited by the department of ecology. The technical guidance must describe best practices for remediating elevated lead levels at drinking water outlets in schools. Best practices must include installing and maintaining filters certified by a body accredited by the American national standards institute. Provisions of the technical guidance related to testing for the presence and level of lead in drinking water, as opposed to testing to identify sources of lead for remediation, must be designed to maximize detection of lead in water, and therefore must prohibit sampling or analytical methods that tend to mask lead contamination, including prestagnation flushing and removal of aerators prior to sampling.
[ 2021 c 154 s 5.]

Notes

Findings—Intent—Short title—2021 c 154: See notes following RCW 43.70.830.

Source: official Washington text · Last verified 2026-08-27

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Frequently Asked Questions About Washington § 43.70.840

What does Revised Code of Washington § 43.70.840 cover?

Section 43.70.840 ("Lead contamination in drinking water in school buildings — Technical guidance.") is part of the Revised Code of Washington, the codified statutory law of Washington. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Washington § 43.70.840?

A common citation format is "Revised Code of Washington § 43.70.840" (Washington). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Washington law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Washington official source linked on this page or consult a licensed Washington attorney.

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