Newell, Tereska & MacKay (NTM) Engineering, Inc. is a civil engineering firm that specializes in water resources design, bridge design, and engineering instruction for public and private sector clients. NTM’s core services include hydrologic and hydraulic studies, waterway permitting, stormwater design and permitting, environmental services, technical course development and training, and transportation and bridge engineering.

Established in 2006, NTM currently employs over 80 professionals and is located in Dillsburg, Pennsylvania, with a branch offices in State College, Wayne, and Philadelphia, Pennsylvania. The firm’s four principals—Donna Newell, John Newell, Rachel Tereska, and Jeffrey MacKay—are all licensed professional engineers with master’s degrees in Civil Engineering and a combined 80 years of civil design experience. NTM is also a registered Disadvantaged Business Enterprise (DBE) in Pennsylvania, Maryland, Delaware, and West Virginia and a Women-Owned Small Business (WOSB) with the federal government.

In April 2022, Lotus Environmental Consulting, LLC was acquired by NTM. This additional expertise allows us to offer our clients a full range of environmental services, including environmental investigations and regulatory compliance services.

Engineering

NTM Engineering

NTM Engineering's headquarters in Dillsburg, PA, United States

This department focuses on the design, development, and implementation of engineering solutions.

The Project Management team at NTM Engineering oversees the planning, execution, and completion of civil engineering projects for both public and private sector clients. They ensure that projects are delivered on time, within scope, and on budget by coordinating resources, managing schedules, and maintaining client communication. Their responsibilities include conducting risk assessments, quality control, and facilitating collaboration among multidisciplinary teams to meet the company’s high standards for water resources design, bridge engineering, and environmental services.

Project Management

The Engineering Team at NTM Engineering focuses on delivering specialized civil engineering solutions in water resources and bridge design. They conduct hydrologic and hydraulic studies, manage stormwater design and permitting, support waterway permitting, and oversee environmental services. Additionally, the team plays a critical role in developing and delivering technical courses and training for both public and private sector clients.

Engineering Team

The Environmental Scientists team at NTM Engineering conducts comprehensive environmental investigations, ensures regulatory compliance, and manages natural resources. Their work supports the firm's hydrologic and hydraulic studies, stormwater design, and permitting processes by providing critical environmental assessments and facilitating seamless integration of environmental considerations into civil engineering projects.

Environmental Scientists

The Leadership Team at NTM Engineering comprises senior executives and expert professionals who provide strategic direction, oversee the company's operations, and ensure the alignment of business goals with overall mission and objectives. This team focuses on driving growth, maintaining high standards in engineering services, fostering client relationships, and steering the firm towards innovation and sustainability in civil engineering and environmental services.

Leadership Team

The Design Team at NTM Engineering is responsible for developing detailed design plans and specifications for water resources projects, bridge structures, and transportation systems. They collaborate closely with other engineering disciplines within the firm to ensure that designs are efficient, compliant with regulations, and meet client needs. Key tasks include conducting hydrologic and hydraulic studies, creating stormwater management systems, and designing bridge components, all while incorporating environmental considerations.

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Other teams

Project Management

Engineering Team

Environmental Scientists

Leadership Team

Design Team