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  2. Section 404 of the Clean Water Act

Proposed Determination for Pebble Deposit Area

On May 26, 2022 EPA Region 10 published a Clean Water Act Section 404(c) Proposed Determination to prohibit and restrict the use of certain waters in the Bristol Bay watershed (South Fork Koktuli River, North Fork Koktuli River, and Upper Talarik Creek watersheds) as disposal sites for the discharge of dredged or fill material associated with mining the Pebble Deposit.

  • Executive Summary: 2014 Proposed 404c Determination, Pebble Deposit (pdf) (2.08 MB, July 2014)
  • 2014 Proposed 404c Determination (Full Document), Pebble Deposit (pdf) (32.01 MB, July 2014)

Section 404 of the Clean Water Act

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Last updated on January 15, 2025
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