Peter L. Nelson, P.E., EXW

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Senior Forensic Engineer


Master of Science in Civil Engineering, 1988, University of Colorado, Denver Colorado Master of Divinity, 1978, Nashotah House, Nashotah, Wisconsin
Bachelor of Arts, 1971, University of California, Davis, California

Registrations and Certifications

State of Colorado Register Professional Engineer – 26771
State of Wyoming Registered Professional Engineer – 10978 -retired
Certified Engineering Expert Witness – No. 63

Areas of Expertise

Hydrologic Analysis, Hydraulic Design, Bridge Hydraulics and Scour Analysis, Grading, Drainage, Economic Analysis, and Wetland issues.


Peter joined Pie Consulting & Engineering in 2011. He provides services to attorneys, insurance companies, homeowners, owner associations, and building owners. Peter is a Civil Engineer specializing in Site Design, Grading, Drainage, and Flood Control. Peter has more than 40 years of experience in master planning, design, expert testimony, and construction administration and observation for flood control channels and storm sewers, water and sewer utilities, site plans, and roadways. Additionally, his experience includes preparation of applications for 404 Permits and FEMA Letters of Map Revision.