Consulting Solutions that Work for People and the Environment



The world’s lakes and rivers represent one of our more vast yet precious natural resources. As a firm specializing in water resources, Gomez and Sullivan strives to produce compatible solutions to suit our clients’ needs while preserving the intrinsic qualities of our environment. Our team of engineers and scientists utilize current technologies to conduct hydrologic and hydraulic studies, including hydrologic modeling using geographic information systems, statistical prediction methods, water balances, flood mapping, sediment transport analyses and dam breach studies. Our staff have performed over 100 hydrologic studies, as well as storm water management plans, watershed assessments, Emergency Action Plans (EAPs), and floodplain mapping/management.

Our Hydrology/Hydraulic Services Include:
  • PMP/PMF Studies
  • Inflow Design Floods
  • Spillway Assessments
  • Dambreak Analysis/Emergency Action Plans
  • Inundation Mapping
  • FEMA Flood Insurance Studies
  • Digital Floodplain Mapping (DFIRMs)
  • Stormwater/Flood Control
  • Erosion Control/SWPPP
  • Instream Flow Incremental Methodology (IFIM) Studies
  • Hydrologic and Hydraulic Investigations
  • Bridge Scour
  • Ice Evaluations
  • Water Supply
Case Studies