Hydrology & Hydraulics

Dannenbaum Engineering is considered by many to have one of the most experienced flood plain management groups in Texas. Our hydrology and hydraulics experts use field studies and sophisticated computer modeling to determine flood plain limits and provide the most accurate representation of what occurs during flooding.

Hydrology and hydraulic projects include a $20 million flood diversion channel at Clear Lake, Texas,for the Harris County Flood Control District and Army Corps of Engineers, and a $10 million drainageimprovement program on East and West Bouldin Creeks for the City of Austin. Dannenbaum’s HydrologyGroup provides essential services to all Dannenbaum groups.



  • master drainage plans

  • regional detention studies

  • flood studies

  • FEMA mapping

  • Conditional Letter of Map Revision (CLOMR)

  • Letter of Map Revision (LOMR)

  • Physical Map Revision (PMR)

  • impact and mitigation analysis

  • inundation tool/structural inventory

  • National Pollutant Discharge Elimination NPDES Compliance

  • major outfall locating with hand-held GPS and GIS support

  • outfall drainage delineation with LIDAR and GIS technology

  • storm sewer systems

  • open channel drainage systems

  • pump stations

  • detention sites



  • Clear Creek Watershed

  • SWEC Detention Facility, Pearland

  • Whispering Lakes Detention Facility, League City

  • Mary’s Creek Detention Facility, Pearland

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