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Section 404 of the Clean Water Act
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Restriction of Disposal Sites under CWA Section 404(c)

This page provides updates and background information regarding EPA actions taken pursuant to Clean Water Act Section 404(c). Section 404(c) authorizes EPA to prohibit, restrict, or deny the discharge of dredged or fill material at defined sites in waters of the United States (including wetlands) whenever it determines, after notice and opportunity for public hearing, that use of such sites for disposal would have an unacceptable adverse impact on one or more of various resources, including fisheries, wildlife, municipal water supplies, or recreational areas.

Recent Section 404(c) Actions

Yazoo Backwater Area Pumps Project - Mississippi

  • EPA’s Reconsideration of its November 30, 2020 Letter Regarding the Applicability of its 2008 Clean Water Act Section 404(c) Final Determination for the Yazoo Pumps Project to the 2020 Yazoo Pumps Project - November 17, 2021 (pdf)

Pebble Mine - Alaska

  • EPA Pebble 404(c) 15 Day Review Letter - February 28, 2014
  • EPA Pebble 404(c) Proposed Determination - July 18, 2014
  • EPA Pebble 404(c) Proposal to Withdraw the Proposed Determination – July 19, 2017 (Federal Register Notice)
  • EPA Pebble 404(c) Decision not to Withdraw the Proposed Determination – February 28, 2018 (Federal Register Notice)
  • EPA Pebble 404(c) Decision to Withdraw the Proposed Determination – August 30, 2019 (Federal Register Notice)
  • Learn More about Bristol Bay

Section 404(c) Background Materials

  • Clean Water Act Section 404(c) Regulations
  • Clean Water Act Section 404(c) Factsheet
  • Chronology of Final Section 404(c) Actions
  • Section 404 of the Clean Water Act Home
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Last updated on November 17, 2021