Forensic, General & Medical
Expert Witnesses

Hydrology, Environmental Engineering, and Civil Engineering Expert Witness and Consultant

Chuck Dutill, P.E.

Chuck Dutill, P.E.

Heritage Technical Services, Inc.
1240 West Chester Pike, Suite 213

West Chester, Pennsylvania 19382

Phone(610) 701-5650

E-mail  Send an email

Expert WitnessForensic ExpertSpeaker
For over 35 years Mr. Dutill has been performing hydrology and environmental engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff, hydrology, hydraulics, backups, drinking water, and air quality. He addresses these and other related issues as an expert witness and a general consultant. His cases have included damages ranging from $25,000 to approaching $1 billion, with most between $100,000 to $5M.


Heritage Technical Services, founded in 1988 by Mr. Dutill, addresses such environmental and civil engineering issues as:

• Hydrology
• Stormwater Management
• Flooding
• Drainage
• Runoff
• Sewer Systems
• Sanitary Sewage
• Wastewater Treatment
• Septic Systems
• Backups
• Overflows
• Surface Water
• Groundwater
• Hydrogeology
• Erosion
• Grading
• Hydraulics
• Floodplains
• Piping Systems
• Wells
• Mold
• Soils
• Air Quality
• Regulations
• Combined Sewers
• Detention
• Maintenance
• Inspections
• Dams
• Sinkholes
• Hazardous Waste
• Aquifers
• Drinking Water
• Hydraulic Fracturing
• Health and Safety
• Standard of Care
• Toxicity
• Contamination
• Spills
• Pollution
• Remediation
• Modeling
• Pumping
• Storage
• Sedimentation
• Hydroplaning
• Odors
• Waste Management
• Wetlands
• Landfills
• Water Quality
• Monitoring
• Storm Sewers
• Infiltration/Inflow
• Metering

To discuss your issues, case, or dispute, please contact Chuck Dutill (610-701-5650 or Mr. Dutill typically responds by the end of the next business day if not sooner.

For further information, including a CV or references, please contact Dawn Grothmann (610-701-5650 or

Areas of Expertise


Chuck Dutill, P.E. has spent approximately 25% of his professional time providing expert witness services nationwide for over 35 years. About 55% of his expert witness services have been for defendants, with approximately 45% for plaintiffs.

Both as principal of Heritage Technical Services and as a member of two distinguished national civil and environmental engineering firms, the hydrology, civil engineering, and environmental engineering work of Mr. Dutill has been heavily concentrated in:

• provision of environmental engineering, civil engineering, and hydrology expert witness services, including investigation, analysis, consultation with counsel, written reports, and expert testimony
• analysis of regulations, including concerning compliance and enforcement
• evaluation of monitoring requirements
• development of engineering feasibility studies and facility plans
• acquisition of permits with appropriate requirements and fees
• provision of project cost advice

He also has significant engineering experience in the areas of design, construction management, operations assistance, maintenance, and community acceptance. Serving as a civil engineer, environmental engineer, and hydrologist on a consulting basis for private, institutional, and governmental clients, Mr. Dutill has nationwide expert witness and project experience in hydrology, stormwater management, flooding, drainage, runoff, sewer systems, sanitary sewage, wastewater treatment/discharge, backups, overflows, septic/onsite systems, surface water, groundwater, and hydrogeology.

As indicated in feedback from attorneys on expert witness cases, some of his strengths include diligence, high standards, understandable input, responsiveness, timeliness, thoroughness, oral communications, effective report writing, listening skills, efficiency, professional demeanor, organization, and assistance to counsel.

Consulting Practice

Nationwide - Heritage Technical Services, Inc. offers consulting and expert witness services for hydrology and environmental engineering in Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia (Washington, D.C.), Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Northwest Territories, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon, U.S. Virgin Islands, Puerto Rico, and other international locations.

More Information

Litigation Experience Summary - Dutill
Attorney Observations of Chuck Dutill
Expert Witness Experience - Dutill
Chuck Dutill Bio
Issues Addressed by Heritage
About Heritage Technical Services


Registered Professional Engineer (since 1982)

Legal Experience & Services

Based on over 35 years of nationwide practice, the following is relevant to Mr. Dutill:

Issued approximately 105 to 110 expert reports addressing many issues, including sewer systems, septic systems, sanitary sewage, pollution, hydrology, stormwater, flooding, hydrogeology, erosion, grading, floodplains, wells, mold, overflows, and air quality

Deposed approximately 30 to 35 times as an expert for both plaintiffs and defendants, addressing issues including wastewater treatment, septic systems, groundwater, contamination, remediation, stormwater, flooding, hydrology, drainage, pumping systems, hazardous waste, and standard of care

Qualified and testified in court and at arbitration hearings approximately 25 to 30 times (including jury and non-jury trials) as an expert for both defendants and plaintiffs, addressing issues including sewers, backups, wastewater treatment, surface water, hydraulics, runoff, hydrogeology, aquifers, piping systems, spills, and safety


National Society of Professional Engineers
Water Environment Federation
Air & Waste Management Association
Environmental and Water Resources Institute
American Society of Civil Engineers
Construction Institute
American Water Works Association
Goshen Professional Center Association: Officer and Executive Board Member
East Goshen Municipal (Wastewater) Authority (Previous)
Legislative Committee, Pennsylvania Municipal (Environmental) Authorities Association (Previous)
Biosolids Committee, New Jersey Water Environment Association (Previous)
Biosolids Committee, Association of Environmental Authorities (Previous)
Technical Advisory Committee, Association of Environmental Authorities (Previous)
Tredyffrin Township Planning Commission (Previous)
State of New Jersey Disinfection Advisory Group (Previous)
Citizens Advisory Committee, Delaware Estuary Program (Previous)
Delaware Estuary Management Committee, Water Resources Association (Previous)

Awards & Honors

Chi Epsilon (Civil Engineering)
Tau Beta Pi (Engineering)
Cornell National Scholar

Professional References

A list of references, including attorneys, can be forwarded upon request.

You are the best expert witness I’ve ever worked with . . . extremely knowledgeable with excellent credentials, but easy to work with . . . very hard working and very helpful . . . excellent identification of issues . . . You provided effective assistance during trial, and unimpeachable, understandable testimony (PI Attorney of 35 years, after trial for which Mr. Dutill attended all, provided ongoing input, and testified)

I appreciated your attention to and response to all of my requirements . . . You did a good job managing cost in light of the services needed – it was a good balance . . . Your timeline for providing services was also very good (Senior Defense Attorney for major, complex case)

This was very helpful and very good, especially the outside-the-box thinking necessary for this case (Senior PI Attorney on large, complex case after long call with reporting on preliminary expert opinion)

You completed requests quickly and provided a strong evaluation for all issues. Bills from Heritage were fair and reasonable. . . . Your solid technical answers were impressive, especially because you were still able to explain them clearly for lay people (Partner, Large Law Firm)

Your report was well-constructed with excellent attention to detail . . . very strong, yet such that a lay person could fully comprehend it (Senior Defense Litigation Partner)


Cornell University, BS Civil and Environmental Engineering (1978), With Distinction

Find an Expert Witness