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 the National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the City of Ashton wastewater treatment plant discharging to a tributary to Spring Creek in Idaho.
- Permit number: ID0023710
- Effective date: April 1, 2014
- Permit expires: March 31, 2019
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NPDES Permit, City of Ashton, Idaho, #ID0023710 (PDF)(24 pp, 139 K,
January 28, 2014)
NPDES Permit Fact Sheet (Revised), City of Ashton, Idaho, #ID0023710 (PDF)(43 pp, 1 MB,
Provides technical basis for 2013 draft permit.
NPDES Permit Fact Sheet, City of Ashton, Idaho, #ID0023710 (PDF)(37 pp, 559 K,
Provides technical basis for 2009 draft permit.
Response to Comments, City of Ashton, Idaho, #ID0023710 (PDF)(15 pp, 240 K,
EPA's responses to public comments on the 2009 and 2013 draft permits.