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Aarhus 4-12

Contaminated material removed and the site returned to farmland.

Tons of contaminated material removed
3,745
Location
Sherwood, North Dakota
Completed
July 2026
An excavator works the edge of the excavation at Aarhus 4-12, canola in bloom behind it.

Completed borings to assist environmental consultants with a site investigation, collecting samples for logging and laboratory analysis. Completed excavation and disposal of contaminated material, installed a geomembrane liner, backfilled clay and topsoil, ripped the site to reduce compaction, and completed seeding.

Project detail

Client and owner
Terracon and NDIC Oil & Gas Division
Funding
Federal IIJA
Scope of work
Soil exploration, soil removal, soil replacement and reclamation
Key activities and methods
Drilling, Excavation, Dozer handling, Lining, Backfilling, and Seeding
Well sites
1
  • Geomembrane liner laid out across the excavation at Aarhus 4-12 under an evening sky.
  • A dozer backfills clay over the liner at Aarhus 4-12.

Have ground that needs to come back?

Tell us where the site is and what happened. We'll walk it with you and put a bid together.