Douglas B Blatchford, PE, PH, CEM, CFM Expert Witness
Curriculum Vitae

Contact this Expert Witness

  • Company: Southwest Hydrology & Hydraulics, LLC
  • Phone: (702) 370-9852
  • Cell: 702-370-9852
  • Website:

Specialties & Experience of this Expert Witness

General Specialties:

Hydrology and Engineering

Keywords/Search Terms:

Water Resources focused on: Flooding, Floodplain Management, Drainage, Surface Water Hydrology, Hydraulic Structures, Grading, Erosion, Permitting, and other water resource issues.


Master of Geographic Information Systems (MGIS), The Pennsylvania State University ; MS Geoscience , University of Nevada, Las Vegas ; BS Civil Engineering, University of California, Davis ; BS Geology , University of California, Davis

Years in Practice:


Additional Information

Mr. Douglas B. Blatchford, PE (AZ, CA, CO, NM, NV, TX, UT) has over 40 years of experience as a water resource professional. His experience includes dam safety, design and construction, energy, geographic information systems, groundwater hydrology, remote sensing, river systems, and surface water hydrology, in support of his expert witness practice focus area in water resources (flooding, floodplain management, drainage, hydrology, hydraulic structures, grading, erosion, and permitting). Mr. Blatchford served the United States Government (Interior, Reclamation) as the River Operations Manager on the Lower Colorado River, involved with water deliveries to Phoenix, Tucson, Los Angeles, San Diego, and irrigators in southern California, southern Arizona, and Mexico. He actively served west wide in Reclamation’s dam safety program, and interfaced extensively with the USGS, the USACE, NOAA, the Colorado River Basin Forecast Center (CBRFC), Mexico, and many irrigators, local and state agencies, and non-Governmental organizations. Mr. Blatchford actively supported operations work on the Rio Grande River downstream of Elephant Butte Reservoir in New Mexico and Texas. He is presently a member --and past member--of many professional societies in the area of water resources. Mr. Blatchford is also a licensed Federal Aviation Administration (FAA) small Unmanned Aerial Systems (sUAS) pilot and has integrated aerial drone videography and imagery into his water resource practice. He holds a certificate in Remote Sensing and Geospatial Intelligence from The Pennsylvania State University. Additional information about Mr. Blatchford can be found at the website of Southwest Hydrology & Hydraulics, LLC at and at Mr. Blatchford’s ePortfolio at