Stormwater Design

KCA’s professional experience includes design and preparation of surface drainage plans, stormwater management, sediment and erosion control plans, scour evaluations, bridge hydraulics, drainage problem investigations, and permitting. Our staff utilizes the most current software to evaluate hydrologic and hydraulic conditions and develop accurate predictive models. KCA has designed stormwater management systems for many municipal, local government, and private clients. Our projects range from small site developments to multi-lane, limited-access expressways on new alignment. KCA’s experience with drainage improvements includes existing roadways and interchanges with stringent stormwater quality and quantity requirements.


    Stormwater management facilities design
  • Off-site ponds
  • Linear ponds
  • Underground storage vault
  • French drain
  • Ponds with liner
  • Bridge hydraulic report
  • Tidal crossings
  • Riverine (freshwater crossing)
  • Regulated floodways requiring No-Rise
  • Regulated floodways requiring CLOMR
  • Flooding investigations
    Scour evaluations
    Drainage studies
    Floodplain analysis