Navigable Waters Protection Rule
June 22, 2020 - The Environmental Protection Agency (EPA) and the Department of the Army’s Navigable Waters Protection Rule: Definition of “Waters of the United States” (NWPR) became effective in 49 states and in all US territories. The Federal Register notice (85 FR 22250) is available at Additional information about the NWPR can be found on the EPA’s website at

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