Practice Areas

Water Resources + Hydraulic Design

Water Resources + Hydraulic Design

Balanced design for sustaining infrastructure and the environment

SEPI engineers and designers serve as an extension of client staff to solve stormwater, flooding, and erosion control challenges with solutions that meet federal and state regulations and environmental compliance.

SEPI staff have extensive experience in water resources design for a wide range of project types including municipal project management, flood studies, highway and roadway drainage design, and bridge and culvert analysis. 


Open and closed channel design
FEMA flood studies detailing CLOMR/LOMR and No-Rise
HEC-RAS modeling
Preliminary hydraulic/hydrologic technical report and feasibility studies
Erosion and sediment control design and permitting
Stormwater control measure (SCM)/best management practices (BMPs) design
Low impact development (LID) stormwater design
Stream bank stabilization
Environmental grant writing/funding solutions
Municipal project/program management

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SEPI [A Division of TranSystems]