The National Park Service Intermountain Region awarded a purchase order to Missouri River Contractors, LLC, a small disadvantaged business, for $1,398,897.49 on September 14, 2026, under total small business set-aside to remove approximately 183 tons of settled sludge and inorganic materials from the West Lake Wastewater Treatment Plant at Glacier National Park.
Work is performed at Moose, Wyoming. The contract requires sludge removal to a depth of 6 inches or less in the main treatment basin, which has accumulated an average depth of 6.5 feet over 20 years of operation. All removed liquid materials must be returned to the basins; dried sludge and waste must be hauled to an approved local waste management facility outside the park. The contractor must protect the HDPE basin liner and all treatment equipment in place and comply with occupational safety standards, Montana DEQ regulations, and park-specific requirements including wildlife protection protocols and invasive species prevention. Work must be completed by May 5, 2027, within 210 days of contract award. The award is firm fixed price under NAICS 237990 (Dredging) and PSC Z1ND (Maintenance of Sewage & Waste Facilities).