EPA Region 10 Planning

If you are working construction projects on federal or tribal land, you may have to abide by EPA standards. See the EPA Construction general permit documents and state-specific requirements below.

EPA Region 10 Stormwater Requirements


The 2017 Construction General Permit (CGP) replaces the 2012 CGP and will provide coverage for eligible new and existing construction
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Idaho


Synopsys: If you are doing a project clearing more than one (1) acre you must apply directly to the EPA’s
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Alaska


Synopsys: If you are doing a project clearing more than one (1) acre you must apply directly to the EPA’s
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Oregon


Synopsys: If you are doing a federal project or a project on federal land, military base or Indian reservation you
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Washington


WAR12000F Areas in the State of Washington, except those located on Indian country, subject to construction activity by a Federal
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