INQUIRIES: +1 (714) 668-5600

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We start with science at the onset of a project, building on our staff's technical and interdisciplinary foundation in engineering and in natural and physical sciences. These combined strengths allow us to effectively evaluate any site condition and recommend value-engineered solutions to your problems. Our hydrogeologists, hydrologists, and engineers assist cities, water agencies and private landowners to develop and protect surface and groundwater supplies by conducting groundwater resource evaluations and impact and mitigation analysis; and supporting design of new water wells and recharge basins to develop new local water supplies. We also conduct specialized hydrogeological, environmental, and biological studies to address a project’s environmental impacts to evaluate the relationship between water levels, soil moisture, and vegetation.

Hydrogeology and groundwater

  • Structural and tectonic basin development and characterization
  • Regional contexting of controlling geologic features and units
  • Conjunctive use
  • Water resource occurrence and sustainability
  • Structural evaluation of aquifer systems, and their occurrence and development
  • Subsurface exploration for water
  • Geophysics applications to groundwater
  • Evaluation of recharge and recovery of basins and aquifers
  • Water chemistry issues evaluation of chemical fate
  • Oxidation / reduction water chemistry, ionics, and equilibria
  • Aerobic and anaerobic processes
  • Water quality
  • Drinking water chemistry and water treatment
  • Multiple use basins and water banking
  • Integrated regional water management
  • Groundwater monitoring, mitigation, and management program development
  • Use of instrumentation and remote sensing for water management
  • Well and wellfield design and construction
  • Pump testing, basin stress testing
  • Well development
  • Subsidence, basin capacity and storage issues
  • Evaluation of pumping wells and well fields on aquifer systems
  • Alluvial systems alluvial stream / riparian / groundwater relationships
  • Hyporheic (“underground stream”) and phreatic systems
  • Groundwater enhancement and recharge
  • Well assessment, and well and wellfield rehabilitation
  • Groundwater and seepage behavior
  • Groundwater flow and thermodynamics
  • Drainage, subdrainage, and seepage
  • Sidehill drainage – hydraugers
  • Field and tile drainage
  • Salt management
  • Environmental / contaminant issues and controls
  • Plume and transport development in groundwater systems