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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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 Private Utility Locator

When should I use a private utility service?

  • A public utility locator does the service at no cost for you. However, they can only perform the service on public property.
  • Private utility locators can come in and pick up where public utility locator left off . Specifically, they help you locate utility lines on private property.
  • If you are a first-time customer who needs utility locating service you should dial #8-1-1 to reach your local public utility locator first. They will help determine whether you can advance with a public utility locating company. Then, if they can’t perform the service, reach out to a private locator.

What is the cost of private utility locator? 

  • Prices for utility locator service varies based on multiple factors. However, overall, geographic location. scope of the project, and types of objects have significance in pricing. At Penhall, we do provide a free estimate to give you an idea about your cost. Contact our local representatives today for more information.

Penhall, a private utility locator, utilizes ground penetrating radar to mark subsurface hazard

locate utilities using gpr and rd technologyA sewer cleaning company called Penhall Technologies, a private utility locator in Chicago region, to assist in locating underground sewer pipes and other buried hazards at a location in Chicago, IL.  Our analyst used to locate and mark the utilities in a small area of 8′ x 40′ at approximately 9 – 10 feet deep.