Baltimore's Leading Ground Penetrating Radar Service Provider

Utility Locating, Video Pipe Inspection, Concrete Scanning & Industry Leading Deliverables

GPRS Serving Baltimore

  • GPRS specializes in the location of underground utilities, concrete scanning and video pipe inspection. GPRS has an extensive nationwide network of highly trained and experienced Project Managers near Baltimore and the surrounding area.

    We understand that your team’s safety depends on us providing a best in class service. When clients hire GPRS, they have peace of mind knowing that they have the most reliable technology on their project paired with a world class Project Manager who delivers the most accurate information available. GPRS leads the industry in providing outstanding service and cutting-edge technology, keeping projects on time, reducing safety risks, and putting relationships with our clients first. Our nationwide network of team members is committed to being your subsurface scanning solutions.


To ensure the overall timely success of you project, utility detection is critical to any construction project where a subsurface excavation is planned. If this critical first step is ignored, the risk for injury increases, budget overruns can multiply and your schedule can be delayed.

Video Pipe Inspection (CCTV) is a service used to inspect underground water sewer and lateral pipelines, VPI is a great tool for investigating cross-bores, structural faults and damages, and lateral line inspection.

With new build construction and renovation project, the likelihood of needing to cut or core concrete is high. There is an inherent risk of striking rebar, conduits, and post tension cables during the cutting or coring process. If a strict occurs, repair costs begin to add up, delays creep into your schedule and it creates a safety hazard for your employees.

The goal of the GPRS Deliverables Department is to deliver clear and understandable findings with each of our outputs from field markings to field sketches, KMZ files, or CAD drawings that provide 2D site plans or even 3D CAD models. In addition, upon the completion of every project, our customers receive a job summary that includes job scope information, site photos, description of site conditions, equipment used, and notes from the project.

GPRS Industry Expertise

Featured Projects in the Metro Baltimore Area

GPRS locates utilities, scans concrete and provides video pipe inspections throughout Baltimore and the state of Maryland. We use cable avoidance tools to assist in locating buried electrical, water, gas, communication, sewer and storm drain lines in underground facilities. GPRS focuses on damage prevention and reducing the risk of injury to personnel and damage to utilities.


CCTV Robotic Crawler Discovery Of Major Voids and Corrosion

A customer recently had a pothole surface in their parking lot. The customer was not sure what the root cause of the pothole was and decided to call our CCTV inspection services department to use the cctv robotic crawler system in the surrounding storm pipes. The NASSCO certified project manager arrived onsite and discovered major issues in the pipeline below the parking lot that could have led to major issues. The CCTV inspection services project manager discovered major voids underneath the asphalt surface as well as corrosion within the pipes. High quality video footage was sent directly to the customer in order to reveal the issues at hand.

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GPRS Preforms Residential Lateral Locate

GPRS video pipe inspection department was recently hired by a plumbing company to locate a residential sewer lateral from the mainline sewer in the street. The homeowner was having issues with their plumbing recently and decided they were going to tie into the lateral but did not have an idea where the lateral was located in the street. The customer had no maps or plans but needed an exact location of where the lateral was so they can begin their construction to dig down and tie into it. GPRS Video Pipe Inspection department was able to find the city maps and locate the mainline sewer pipe segment directly in front of the customers home.

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Private Utility Locate At Washington D.C. Restaurant

GPRS was tasked with locating and marking all the underground utilities within a scan area of about 3,000 square feet. The client intended to drill soil borings at 10 individual locations upon completion of our investigation. The client also requested keeping an eye out for potential underground storage tanks whose existence could not be confirmed by prior owners of the property. Technologies used during the site investigation included the GSSI Utility Scan with a 400 MHz antenna, as well as the Vivax EM Pipe Locator.

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Contact our Baltimore team and our nearest project manager will contact you.

Serving Baltimore, Columbia, Germantown, Silver Spring, Waldorf, Frederick, Ellicott, Rockville, Glen Burnie, Gaithersburg, Dundalk, Bethesda and Towson.

We also work in the following Maryland counties: Montgomery, Prince George, Baltimore, Anne Arundel, Howard, Harford, Carroll, Charles, Cecil, Calvert and Allegany County.