Transfer of permitting authority to Idaho. As of July 1, 2018, EPA has transferred authority to administer and enforce this permit to the Idaho Department of Environmental Quality. For more information, visit Idaho Pollutant Discharge Elimination System (IPDES) Program.Exit
Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the City of Riggins Wastewater Treatment Plant in Idaho.
- Permit number: ID0020931
- Effective date: September 1, 2012
- Permit expires: August 31, 2017 (administratively continued)
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NPDES Permit, City of Riggins, Idaho, #ID0020931 (PDF)(23 pp, 199 K,
August 16, 2012)
NPDES Permit Fact Sheet, City of Riggins, Idaho, #ID0020931 (PDF)(30 pp, 681 K,
Technical basis for permit.