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Public Comment

DEQ seeks comment on draft 401 water quality certification for Boise Pathway Design project

Accepting comments from March 12, 2026, through April 2, 2026.

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DEQ seeks comment on draft 401 water quality certification for Swainson’s Hawk Arbor Subdivision project

Accepting comments from March 11, 2026, through April 1, 2026.

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DEQ announces public comment period on Class 2 permit modification for PacifiCorp

Accepting comments from March 6, 2026, through May 5, 2026.

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DEQ seeks comment on draft 401 water quality certification for Whitehurst Village Subdivision project

Accepting comments from March 5, 2026, through March 26, 2026.

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DEQ seeks comment on draft 401 water quality certification for Perimeter Drive bridge replacement for Paradise Creek undercrossing project

Accepting comments from March 2, 2026, through March 23, 2026.

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UPDATED: DEQ extends public comment opportunity on finding of no significant impact environmental determination for City of Troy’s wastewater improvement project

Accepting comments from February 27, 2026, through April 13, 2026.

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DEQ seeks comment on draft cyanidation permit modification for Perpetua Resources Idaho, Inc.

Accepting comments from February 19, 2026 through April 20, 2026.

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DEQ seeks comment on draft reuse permit renewal for Rigby Produce, Inc.

Accepting comments from February 13, 2026, through March 17, 2026.

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DEQ seeks comment on draft Jervois Mining USA Points of Compliance Determination

Accepting comments from January 26, 2026, to March 27, 2026.

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