Carey Johanson, P.E.
Civil Engineer
Carey Johanson obtained his Bachelor of Science in Civil and Environmental Engineering from the University of Utah and is highly experienced in land surveying and civil engineering. Carey performs a full range of land development engineering services and has a good working knowledge of waste water lagoon design and treatment processes.
Carey specializes in land development and civil engineering:
Kraig Johnson, Ph.D., P.E.
Environmental Engineer/Supervisor
Dr. Kraig Johnson is an expert in the field of environmental engineering. He has worked as an environmental engineer from the North Slope of Alaska to the Great Lakes Region to Waterways Experiment Station in Vicksburg, Mississippi. He worked for 10 years as a Research Professor in the Department of Civil and Environmental Engineering at the University of Utah, developing innovative designs for lagoon systems enhancement. He received his Master of Science Degree from U.C. Berkeley and his Ph.D. in Civil and Environmental Engineering from the University of Utah. He is the Senior Engineer and Supervisor for Johanson Engineering.
Hua Xu, Ph.D.
Scientist/Data Analyst
Dr. Xu received her B.S. and M.S. in Environmental Science and Technology from East China Normal University and earned her Ph.D. in Civil and Environmental Engineering from University of Utah. Her doctoral work focused on PCB and DDT removal from sediments and soil with ozonation. After she received her Ph.D., she worked for Purdue University as a Postdoctoral Research Assistant, serving as the Odor Lab Manager and the Volatile Organic Compounds (VOCs) Manager for National Air Emission Monitoring Studies (NAEMS). Dr. Xu worked as a Postdoctoral Research Associate for the University of Utah, as well as Research and Development Direct for Wastewater Compliance Systems (WCS, Inc.). Her work focused on developing bio-domes (Poo-Gloos) to retrofit wastewater water lagoon system to remove carbonaceous, nitrogen and phosphorous compounds. She is fluent in both Chinese and English. She has unique lab skills and expertise in water chemistry and wastewater treatment chemistry and biology.
