northstar commuter rail

Northstar Commuter Rail Phase I and Phase II ESA and Construction Oversight

Minneapolis, Minn.


  • Light rail corridor with multiple new station locations environmental impacts needing evaluation.
  • Downtown Minneapolis Station is an intermodal station linking the Northstar Commuter Line to the Hiawatha LRT, and the bus system in Downtown Minneapolis adjacent to the Twins Stadium construction site.
  • Full-service environmental support ranged from initial site assessments through construction oversight and documentation and coordination with regulators for assurance letters.


  • SEH performed a detailed Phase I Environmental Site Assessment of the future Downtown Minneapolis Intermodal Station through an industrial corridor. SEH also completed a Phase I ESA update for the future Anoka Station and limited Phase I assessments for the future Big Lake, Elk River, and Coon Rapids stations.
  • SEH conducted a Phase II Environmental site investigation of the Downtown Intermodal Station and the Anoka Commuter Station. SEH worked with Mn/DOT to identify areas for further investigation and executed a comprehensive work plan with the ability to make changes as necessary in the field. SEH collected subsurface and water samples and compiled analytical information into a comprehensive Phase II Site Investigation Report.
  • SEH has implemented a Response Action Plan submitted to the MPCA VIC program and Petroleum Remediation Programs and provided environmental oversight of construction of the Downtown Minneapolis Intermodal station.

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