We are proficient with CLOMR/LOMR/LOMR-F submittals, 1D/2D HEC-RAS, HEC-HMS, HY-8, ArcGIS/ArcGIS Pro, and LiDAR workflows. Experienced aligning designs with South Dakota DANR stormwater permits, SDDOT’s Drainage Manual, and FEMA Region VIII policy, coordinating as needed with the USACE Omaha District for Section 404/10 activities.
Our services include floodplain modeling, CSO and SSO control, inflow and infiltration studies, diversionary structure design, detention pond design, stormwater best management practices, and stormwater pump station design.