
Lowham Engineering was established in 1997 as a consulting engineering firm specializing in applied hydrologic science and engineering analysis in hydrology and water resources. Reestablished in 2010 as Lowham Walsh LLC through an asset purchase by Walsh Environmental LLC and former employees of Lowham Engineering, the two companies have merged resources to provide a wide range of environmental services throughout the western U.S.
Lowham Walsh employs 19 technical personnel in Wyoming with a broad range of disciplines, including:
- Water Resource Engineers
- Civil and Environmental Engineers
- Geologists and Hydrogeologists
- Indoor/Outdoor Air Specialists
- Plant Ecologists
- Soil Scientists
- Wetland Scientists
- Landscape Architecture Specialists
- Environmental Permitting Specialists
- Community Relations Specialists
- Planners
- Ground Water Modelers
- GIS/Graphics Specialists
- Certified Industrial Hygienists
- Health and Safety Specialists
Office Locations
Lowham Walsh offices are located in Lander and Gillette, Wyoming. Walsh Environmental has domestic offices in Boulder, Denver, Grand Junction, Ft. Collins, Colorado Springs, and Lakewood, Colorado. International offices for Walsh include Peru and Ecuador.

