Dakota Technologies provides state-of-the-art products and services for hazardous waste site investigations, specializing in the rapid site assessment of subsurface LNAPL and multi-component DNAPL. With service locations in Minnesota, North Dakota, Missouri, Ohio, Colorado, Massachusetts, Virginia and South Carolina, we are a leading national and international service provider of a full and expanding suite of High-Resolution Site Characterization (HRSC) technologies. These technologies are offered on all direct push platforms, including both percussion and cone penetration test (CPT) rigs.

HRSC services provided by Dakota include:

  • Ultra Violet Optical Screening Tool (UVOST®️)
  • Tar-specific Green Optical Screening Tool (TarGOST®️)
  • Dye-enhanced Laser Induced Fluorescence (DyeLIF™️)
  • Hydraulic Profiling Tool (HPT)
  • Membrane Interface Probe (MIP)
  • MIP combined with HPT (MiHpt)

Dakota also combines the LIF and hydraulic profiling technologies into integrated tools, enabling users to collect high resolution hydrostratigraphic profile data simultaneously with UVOST, TarGOST and DyeLIF data. Our advanced data analysis services are available for all LIF projects, and our 2D and 3D data visualization services support our clients’ development of conceptual site models.

In addition to full service HRSC capabilities, Dakota also provides direct push soil and ground water sampling and hollow-stem auger services using all-terrain and truck-mounted equipment, and is a licensed monitoring well installation contractor in Indiana, Minnesota, Missouri, Montana, Pennsylvania, North Dakota, South Dakota, and West Virginia.


Contact: (701) 237–4908

[email protected]