Summary
The commission authorized staff to seek a construction manager at-risk for the wastewater treatment plant expansion — a big infrastructure project with long-term costs.
At a glance
- Total mentions
- 4
- Last 30 days
- 0
Discussed at 1 meeting in the last 60 days; most recently Sep 15, 2026.
Impact analysis
Costs not yet set; the RFQ is the first contracting step for a major wastewater project.
Residents and businesses relying on the city's sewer system.
Ratepayers will eventually bear the cost of the expansion through utility rates.
Mentions & discussions (4)
City Commission - Sep 15, 2026
The commission authorized staff to seek a construction manager at-risk for the wastewater treatment plant expansion — a big infrastructure project with long-term costs.
City Commission - Jul 7, 2026
Mandan's wastewater plant is hitting its limits — growth has outpaced capacity and the plant will exceed biological capacity by 2028, with odor complaints a chronic issue. The commission approved the first design step on a project expected to cost about $120 million and be online by 2031.
City Commission - Jun 2, 2026
The lift station handling sewage for two-thirds of Mandan is getting new pumps and a single 20-inch PVC pipe replacing two failing 1950s-era lines — one of which burst raw sewage in -20 degree weather in January 2025. Bids open this month with construction in 2027.
City Commission - May 5, 2026
The city picked AE2S to design the wastewater treatment plant project after scoring three firms. It's the start of a roughly three-year effort on a major utility investment.
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