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Yellowstone County, Montana
Environmental Services in Yellowstone County, MT
Environmental site assessments and construction-phase environmental support that keep transactions and projects moving without surprises. Yellowstone County is covered on a project basis through our Salt Lake City, UT regional hub.
- Dispatched from
- Salt Lake City, UT regional hub · project-based mobilization
- Lead time
- Set in the proposal, with mobilization planned around your pour and earthwork schedule
- Laboratory
- Sugar Land, TX laboratory under chain of custody, or a mobile laboratory for large projects
- Reporting
- Reviewed and issued under a documented quality system; formatted for owner, engineer, and building-official review
- Serving
- Yellowstone County, MT — Billings, Missoula, Great Falls
- Coverage
- Montana statewide · 27 regional hubs
- Technicians
- ACI- and NICET-certified field staff; licensed professionals in Montana
- Call us
- (346) 420-5425
Scope
Environmental services in Yellowstone County
- Phase I Environmental Site Assessments for acquisitions and refinancing
- Phase II subsurface sampling when a Phase I identifies recognized environmental conditions
- Construction stormwater support: SWPPP compliance inspections
- Soil management screening for export and import of fill material
Full scope, standards list, and pricing basis: Environmental Services.
Local conditions
Environmental conditions in Yellowstone County
Yellowstone County sits at the convergence of the Yellowstone and Clarks Fork rivers in south-central Montana, a region with a working industrial history—agriculture, petroleum distribution, rail, and manufacturing—that has left a layered environmental record beneath many commercially viable parcels. When a transaction or a ground-disturbing project moves forward here, that history can surface in ways that delay closings, trigger regulatory review, or reshape project budgets. Our firm provides Phase I and Phase II Environmental Site Assessments, as well as construction-phase environmental support, to contractors, developers, and engineers working throughout Yellowstone County. Coverage is dispatched through our Salt Lake City regional hub, with scheduling coordinated to match your project timeline. Reports are completed under a documented quality system so findings are prepared for review. The goal is straightforward: give your team the environmental information needed to make decisions and keep the project moving.
Much of the Billings area sits on alluvial soils deposited by the Yellowstone River, which can affect contaminant migration pathways and infiltration assumptions during subsurface investigations. Montana's cold winters and defined spring thaw influence field scheduling for soil borings and groundwater sampling, and those seasonal factors should be built into project timelines from the start.
FAQ · Yellowstone County
Can petroleum-impacted soil from agricultural or rail-related operations in the Billings area affect my Phase II scope?
Yes. Historic petroleum distribution, rail yard activity, and agricultural chemical storage are common recognized environmental conditions in Yellowstone County. When a Phase I identifies these as RECs, the Phase II scope is designed around the likely contaminants—typically petroleum hydrocarbons or agricultural chemicals—using targeted soil and groundwater sampling locations, depths, and analytical parameters matched to the suspected source and migration pathway.
How does Montana DEQ involvement affect the ESA or remediation process for a commercial site in Yellowstone County?
Montana DEQ administers the Voluntary Cleanup and Brownfields programs, and many commercially impacted sites in the state fall under DEQ oversight. If Phase II findings meet reporting thresholds, DEQ notification may be required. We coordinate report deliverables to align with DEQ submittal formats and can support your team through agency communication, though formal regulatory counsel decisions remain with the project owner and their legal advisors.
How does the Yellowstone River floodplain affect environmental due diligence for sites near the river corridor?
Sites within or adjacent to the Yellowstone River floodplain may involve additional regulatory considerations including Section 404 wetland jurisdiction and state floodplain permitting. Alluvial soils in these areas can also affect how contaminants move laterally and vertically. Our Phase I review documents proximity to water features, and Phase II boring and sampling plans account for shallow groundwater conditions common in river-adjacent alluvial settings.
Which office covers environmental in Yellowstone County, MT?
Field work in Yellowstone County is dispatched through the Salt Lake City, UT regional hub, about 386 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Yellowstone County projects.
Are the technicians you send to Yellowstone County certified?
Field sampling and testing in Yellowstone County are performed by our ACI- and NICET-certified technicians. Environmental engineering and professional services are delivered with professionals licensed in Montana, coordinated under one proposal.
Scheduling & proposals
Need environmental services in Yellowstone County?
Call to schedule a technician, or send project documents for a written proposal.