HRG Promotes Justin Mendinsky to Manage Harrisburg Water/Wastewater Group

Herbert, Rowland & Grubic, Inc. (HRG) has promoted Justin Mendinsky to manage its Harrisburg-area water and wastewater group. Mendinsky previously served as a team leader in the group and will continue to serve key clients while he takes on new responsibilities overseeing project delivery, operations, business development, and staff training.

Mendinsky joined HRG in 2004 and was named a shareholder of the firm in 2017. He has a master’s degree in environmental engineering and is a registered professional engineer. He is also a member of several leading industry organizations, including the Central Pennsylvania Water Quality Association and the Eastern Pennsylvania Water Pollution Control Operators Association. He is chairman of the Pennsylvania Water Environment Association’s Engineering and Construction Committee.

Mendinsky’s manager, Ed Ellinger, says, “Justin is known by his fellow employees for his technical capabilities, positive attitude and enthusiasm. These qualities will make him a great leader for this group.”


Herbert, Rowland & Grubic, Inc. (HRG) is a nationally ranked design firm providing civil engineering, surveying, and environmental services. The firm was founded in Harrisburg in 1962 and has grown to employ more than 200 people in Pennsylvania, Ohio, and West Virginia. For more information, please visit the website at