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.

Get a free quote today!

Where is the job located?

(*) City

(*) State

(*) Zip Code

What services can we assist you with?

I can confirm this is a private locate. For all public locates please contact 811.

Other Service

To better help you with your request, could you kindly provide the following information:

What are we scanning? Slab on grade, suspended slab, etc.

What are we scanning for? Ex. rebar, tension cables, conduits, etc.

What is the size of the area(s) that need to be scanned? How many areas?

What is the thickness of the slab?

What is the scanning in preparation for?

To better help you with your request, could you kindly provide the following information:

What is the surface that we are performing the locate on? Ex. Ground/Dirt, asphalt, concrete, indoor/outdoor, etc.

What is the size of the area that needs to be scanned in square feet or linear feet?

How many scan locations?

What are we locating? Water, gas, electrical, sewer, etc.

How many utilities are running through the proposed scan area?

Do we have access to meters or utility boxes?

What is the locating in preparation for?

Contact Information

(*) First Name

(*) LastName


(*) Email

(*) Phone


What is the best way to reach you?


Other comments or project details?

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

Frequently Asked Questions for Utility Locating Company

  1. What types of underground lines that Penhall can identify?

    At Penhall, we provides utility locating service to help our clients identify subsurface hazards and avoid failure before digging. We can locate a variety of objects. For example, we can locate sewer pipes, gas lines, sprinkler lines and pipes, electric cables, conduits, septic tank. Our highly-trained analysts use ground penetrating radar (GPR) to detect properly mark your site and also provide reports to our clients upon requested.

  2. What is the difference between public utility locating and private utility locating company?

    – Public utility locator identifies utility lines on public property. These lines often stop on the trail to your land at the meter. In addition, public utility locating service is at no cost.
    To avoid failure in digging, you need to contact public utility locator first by dialing 811
    – Private utility locator identifies utility lines on private property. Private locator often comes in where public utility companies cannot perform the service. There is a fee to private utility locating service depending on the scope of the project, the objects to be identified.

  3. What separates Penhall Technologies from other private utility locators?

    Penhall has been in the concrete industry for the last 60 years. We are proud to present a “zero-accident” culture where safety is our #1 priority. We value our customers and understand  the importance of meeting the clients’ needs. As a result, we are willing to work with you to schedule the service at most convenient times for all the parties involved.

Locate all underground utilities including water, storm drain, and sewer lines

Utility survey for water, storm drain, and sewer linesAn architectural and engineering company contacted Penhall Technologies with a request for our underground utility locating services in Champaign, IL.  They needed all the utilities marked in a large field including water, storm drain, sanitary, gas and electrical lines. The data from this utility survey was to be included in ALTA survey.

Ground penetrating radar plus RD technology used for utility locating

locating utilities with gpr and rd technologyA manufacturing plant in Mapleton, IL requested Penhall Technologies to perform GPR scanning along the perimeter of the plant. Our analyst used a combination of ground penetrating radar and RD technology to help locate a 4″ HDPE pipe.