Mr. Cotterman is currently an engineer in training with a wide array of experience. He received a B.S. in Civil Engineering in the fall of 2015 from the University of Wyoming. He joined Lowham Walsh in January of 2016. Dillon’s experience includes; design work for production water impoundment and remediation, analysis of drainage reports, preparation of Storm Water Pollution Prevention Plans, general surveying, and the design of retention basins & drainage networks for storm water runoff. He has provided both survey and drafting support for reservoir permitting and inspection. Dillon is proficient in AutoCAD Civil 3D Drafting and design.




Mr. Jensen received a B.S. in Civil Engineering from South Dakota School of Mines and Technology and a M.S. in Civil Engineering – Water Resources from Arizona State University in 1995. He retired from the US Public Health Service in 2017 and joined the Lowham Walsh team. Mr. Jensen has more than 30 years of professional civil and environmental engineering experience. This experience ranges from municipal water and sewer design, construction management, healthcare facilities design, and operations. In addition to his registration as a Professional Engineer, he is a Registered Environmental Health Specialist, Certified Energy Manager, and Certified Healthcare Facility Manager.  He has also devoted several years of his career to management of engineering programs where he enhanced professional skills by developing collaborative relationships amongst diverse groups to realize program goals. Michael excels at building teams that find creative solutions.  In his role with Lowham Walsh, Michael is responsible for building a comprehensive civil and environmental engineering team that to provide analyses, design, and management of construction projects. He is also responsible for managing and mentoring engineering staff & sub consultants as well as engaging in business development initiatives to explore new opportunities.




Mr. Lowham received a B.S. in Agricultural Engineering in 1965 from the University of Wyoming, and an M.S. in Civil Engineering in 1979 from Colorado State University. He retired from the U.S. Geological Survey in 1996 after a 31-year career conducting and managing a variety of water-related projects. Since then, he has worked as a consulting engineer. Mr. Lowham has authored numerous scientific publications and has experience in a wide range of hydrologic topics including data collection, flood hydrology, streamflow modeling, channel stability, and erosion. His goal is to conduct useful high-quality engineering studies that address water-related problems.




Mr. Loyka is an engineer in training with two years of experience. He received his B.S. in Mining and Minerals Engineering from Virginia Tech. He has experience in a diverse array of projects including reservoir permitting, drag line quality control, residential and commercial site design and all phases of medium and short range surface mine production planning. He has experience surveying with a variety of techniques and is proficient at drafting in Civil3D and Vulcan software. Justin joined Lowham Walsh in 2015 and assists with surveying, design, and drafting phases on projects in the civil, environmental, and extraction fields.






Ms. Cotterman received her B.S. in Rangeland Ecology and Watershed Management, in the fall of 2015 from the University of Wyoming. She joined Lowham Walsh in February of 2016 as a Staff Environmental Scientist and acting Administrative Assistant. Ellen’s experience includes livestock, wildlife habitat, and watershed management as well as reclamation & restoration ecology, and business management. She is trained to identify plants and classify soils and is skilled at conducting vegetation transect data. More specifically she has installed and removed erosion control BMPs, conducted plant specimen surveys, created seed mixes, and implemented restorative seeding practices within rangeland ecosystems. Ellen also has experience in creating Storm Water Pollution Prevention Plans, Pesticide Use Plans, and managing chemical inventories. 





Ms. Newman received her B.A. in Environmental Studies/Conservation Biology from Middlebury College and M.S. in Biology from the University of Denver. Cindy has fourteen years of experience in the environmental field. She conducts field surveys in a variety of ecosystems and prepares biological, soil, and water resource reports within the renewable and traditional energy, mining, and transportation sectors in accordance with federal and state regulations. Her background includes leading field teams for wetland and waterway delineations and permitting, data management, project management, and consultation with regulatory agencies. Cindy is also experienced preparing human health and ecological risk assessments, including evaluation of potential exposure risk to humans and wildlife from contaminated soil, sediment, surface water, and groundwater. Joining Lowham Walsh in 2015, Cindy brings her broad experience as an ecologist to the Lander office.






Mr. Smith is a licensed professional geologist in Wyoming with a B.S. in Geology from Saint Louis University.  He joined Lowham Walsh in 2013.  Kyle’s background includes project management, field reconnaissance, data acquisition, technical data analysis and interpretation, subcontractor oversight, and health and safety management.  He has worked closely with regulatory authorities, oil and gas clients, construction and drilling contractors, and the general public on a variety of projects that include environmental site characterization and monitoring, emergency spill response, baseline water quality initiatives, construction management and materials testing, and regulatory compliance inspections.  




Mr. Strike is a structural geologist with over fourteen years of managing technical civil and environmental projects as a private consultant in Wyoming. Joining Lowham Engineering in 2000, Andy performed all aspects of water management planning for approximately 2,000 earthen reservoirs in the Powder River Basin, including survey technician work, drafting, design, permitting, construction management and testing. In 2005, he became operations manager of the Lander office. Appointed General Manager of Lowham Walsh LLC in 2010, Andy is responsible for day-to-day operations, contract administration, and client contact. He also performs project management for a multitude of ongoing contracts including: reservoir design and permitting, irrigation infrastructure analysis, geotechnical investigation, and abandoned mine land reclamation. He is also a board member of the Wyoming Water Association and the Lander Economic Development Association.