Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

Penhall Technologies provides utility locating, employing both electromagnetic induction (EMI) and ground penetrating radar (GPR) for privately owned property. We can identify and locate subsurface hazards and obstructions existing in the ground. Reduce the risk and help ensure the safety of your next project by contacting Penhall Technologies for your private utility locating needs.

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Once you submit this form, a Penhall Company representative will contact you within 24 hours. Thank you for the opportunity to earn your business!

Penhall Technologies Scanning Analyst Darren


  • 10 Years experience cutting and drilling for Penhall Co.
  • 2 Years experience as a GPR Analyst
  • 30 hr. OSHA Certified
  • Hilti PS1000 Structure Scan certified
  • RD7000 Radio detection certified
  • 7 years without a lost time accident
  • PowerSafe card for Southern Company Facilities

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Locate buried septic tank using ground penetrating radar and radio detection

locating utilities in huntsvilleIn Huntsville, AL, a customer suspected a septic tank was buried underground under a concrete slab but did not know the precise location. Penhall Technologies was called to complete the utility survey and arrived with their GSSI 400 MHz antenna and the RD7100 to locate the tank and provide a written report for the customer’s records.

Locate electrical conduit under concrete slab

Identify and mark electrical conduit under concrete slabA local medical center near Huntsville, AL trusted Penhall Technologies with the task of locating and identifying all conduits throughout 2 stories of their building. The work was completed during normal business hours and no daily operations were interrupted.

Ensure all utilities are intact before demolition

Locate underground utilities before demolitionAt a city water plant in Huntsville, GPR scanning was used to locate underground utilities in preparation for new storage tanks to be installed safely. Identifying the location of the utilities prior to digging enabled the customer to keep their tightly scheduled project on course.

Ground penetrating radar used to locate electrical lines within a trench

Utility locator using GPR to detect conduitsA local business near Huntsville, AL sought out Penhall Technologies to conduct utility locating for 400 linear feet of electrical conduit within trench.