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Drinking Water Requirements for States and Public Water Systems

Updated Guidance on Emergency Authority under Section 1431 of the Safe Drinking Water Act

This memorandum transmits the Office of Enforcement and Compliance Assurance's updated guidance on invoking EPA's emergency authority, granted under Section 1431 of the Safe Drinking Water Act.

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Updated Guidance on Emergency Authority Under SDWA Section 1431 (PDF)(42 pp, 1 MB, May 3, 2018)