NPDES Stormwater Permit for City of Middleton MS4 in Idaho
Transfer of permitting authority to Idaho. As of July 1, 2021, 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.
Below are EPA's National Pollutant Discharge Elimination System (NPDES) municipal separate storm sewer system (MS4) final permit and supporting documents for the City of Middleton, Idaho, within the Nampa Urbanized Area.
- Permit number: IDS028100
- Effective date: October 1, 2020
- Permit expires: September 30, 2025