ID DEQ Environmental RSS

Simplot Permit Revision - Fluoride Emission Limits for Don Siding Plant

The Idaho Department of Environmental Quality is seeking public comments through May 1, 2026, on a draft permit revision for J.R. Simplot Company's Don Siding Plant near Pocatello. The proposed modification would incorporate a new annual fluoride emission limit for all reclaim cooling tower cells at the phosphate fertilizer manufacturing facility. DEQ's analysis indicates the proposed construction and operation will not violate ambient air quality standards or harm human health, animals, or vegetation.

Draft 401 Water Quality Certification for Payette River Estates Project

The Idaho Department of Environmental Quality (DEQ) is seeking public comment through April 22, 2026 on a draft Section 401 water quality certification for the Payette River Estates residential development project in Emmett, Idaho. The project involves piping and filling two irrigation supply ditches and two drainage ditches, resulting in 16,328 square feet of permanent wetland impacts.