SEH has been providing high-quality water watershed planning and engineering services for more than 75 years. From stormwater ponds, dams and flood control work, to small and large scale watershed analyses and complex conveyance analyses, to innovative stormwater treatment practices, best management practices (BMPs), wetland assessments, mitigation design, and total maximum daily loads (TMDLs).

Collaboration Across Disciplines
The best solutions often come from the collaboration of our experts in water resources, natural resources, GIS, urban design, landscape architecture, water and wastewater, civil engineering, sustainability, and other areas. This integrated approach provides the creativity needed to "connect the dots" for innovative solutions and better project outcomes from different perspectives.

SEH employs more than 60 staff in our water resources, natural resources, environmental, surveying and GIS groups to meet the needs of our clients. See our complete list of Services.