Wyoming Department of Environmental Quality

Release: Nov 25, 2025

Close: Dec 29, 2025

The Wyoming Department of Environmental Quality - Air Quality Division (DEQ-AQD) is soliciting proposals for preparation, analysis, data management, and reporting of filters for the statewide Particulate Matter (PM) monitoring network, including support of the Sheridan SLAMS meteorological station. The contractor will provide two years of routine operations, micro-gravimetric laboratory analysis (~140 samples/year), data validation/reporting, and routine maintenance/calibration for the Sheridan MET station (period of performance Apr 1, 2026–Jun 30, 2028).

Release: Nov 10, 2025

Close: Jan 12, 2026

The State of Wyoming’s Department of Environmental Quality, Air Quality Division seeks a contractor to provide preparation and training for Exceptional Events Demonstrations for ozone and PM2.5 exceedances in 2025 and 2026, including technical analyses and drafting four demonstration documents. Responses are to be submitted via the Public Purchase system by the due date, with questions accepted until November 24, 2025.

Release: Nov 13, 2025

Close: Dec 19, 2025

Wyoming DEQ’s Abandoned Mine Land Division is soliciting bids to establish a pool of multiple qualified contractors for small AML construction projects statewide, with task-order contract limits of $300,000 or $600,000. Electronic bids are due December 19, 2025 at 1:00 PM MST via the Wyoming State Construction Public Purchase portal, with a bidders’ meeting and prequalification required.