Scott M. Parr, P.E.

Senior Consultant

Forensic Services

San Francisco/Concord


Mr. Scott Parr earned a B.S. in Mechanical Engineering and an A.S. in Engineering. This U.S. Navy veteran is a licensed professional engineer with over 30 years of consulting experience in the environmental, water, and wastewater industries.

Mr. Parr has great proficiency working in multidisciplinary, collaborative settings on projects in the residential, commercial, and industrial markets. In the environmental industry, his experience includes remedial investigations, remedial construction, and remediation equipment operation and monitoring of liquid and vapor-phase adsorption systems, chemical and biological scrubbing systems, and thermal oxidizers. In the water and wastewater industries, his knowledge of pre-design, design, and construction-phase engineering of process mechanical and building mechanical systems supports his ability to provide mechanical design services for various systems. Examples include pumping stations, conveyance systems, treatment systems, odor control systems, combined heat and power systems, and heating, ventilating, and air conditioning (HVAC) systems.

Specifically, Mr. Parr’s expertise includes investigating and consulting in product, design, and operational claims involving wastewater treatment facilities, as well as equipment failures affecting HVAC, plumbing, steam, electrical, fire protection, irrigation, and building systems. He also investigates and functionally assesses ancillary support systems, such as pumps, chillers, water heaters, boilers, air compressors, scrubbers, and hydraulic system components and evaluates energy systems, pumping stations, surge suppression systems (flywheels, surge tanks, accumulators, vacuum breakers, and air relief valves), and aeration systems.


• Mechanical Engineering, B.S.: University of California, Berkeley (1990)

• Professional Engineer: California and Hawaii (Washington coming soon)

• Certified Master Modeler for Transient Flow Analysis: Haestad Methods (2004)

• Memberships: American Society of Mechanical Engineers