NPDES Permit for Darigold Inc. in Caldwell, Idaho

Transfer of permitting authority to Idaho. As of July 1, 2019, 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) final permit and supporting documents for Darigold, Inc. in Caldwell, Idaho.

Permit number: ID0024953
Effective date: November 1, 2019
Permit expires: October 31, 2024

NPDES Permit, Darigold Inc., Idaho, #ID0024953 (pdf) (281 KB, June 19, 2019)
Final discharge permit including minor modification.
NPDES Permit Fact Sheet, Darigold Inc., Idaho, #ID0024953 (pdf) (1.03 MB, August 2018)
Technical basis for NPDES permit.
Response to Comments on Draft NPDES Permit for Darigold Inc., Idaho, #ID0024953 (pdf) (607.51 KB, February 2019)
EPA's responses to public comments on the August 2018 draft permit.