Surface And Groundwater Hydrology

Surface and groundwater supply and quality issues can be complex and are surrounded by a variety of compliance regulations. Using our experience and technology, Norwest’s hydrology experts assess your situation and create a cost-effective, efficient strategic plan to address these challenges.
Norwest uses analytical and numerical modeling to evaluate surface and groundwater flow and quality. Using these techniques, Norwest professionals are able to analyze existing hydrogeologic conditions, and predict impacts of engineered interventions such as dewatering yield and drawdown. Modeling can be used for urban and rural stormwater runoff and water quality sampling.

Our services include:

Hydrology & Water Quality

  • Site Characterization
  • Surface Water Resources Evaluation
  • Baseline Monitoring Plans and Data Collection
  • Due Diligence Evaluations
  • Floodplain Evaluations
  • Stormwater Management Plans
  • Permitting Support for Point Source Discharge
  • Water Quality Planning & TMDL Issues
  • Water Quality Modeling
  • Stormwater Modeling
  • Sediment Transport Modeling
  • Erosion and Sediment Control Planning and Engineering
  • Landowner Dispute Evaluation
  • Compliance Monitoring


  • Site Investigations
  • Stream Bank Stabilization
  • Slope Stability
  • Reservoir Design, Certification, and Construction Oversight
  • Impoundment Closure and Reclamation
  • Road, Ditch, Culvert Design and Construction Oversight
  • Weir & Flume Design
  • Reclamation Plans and Certification
  • SPCC Certification
  • Water Treatment Design/Implementation/Monitoring


  • Field Evaluations and Pilot Testing
  • Dewatering Projections and Designs
  • Probable Hydrologic Consequences Evaluations
  • Alluvial Valley Floor Investigations
  • Design of Diversions &Post Mining Topography
  • Reclamation

Water Rights

  • Water Rights Tabulations
  • Stream Depletion Modeling
  • Augmentation Plans
  • Reservoir Storage Applications to State Agencies and MSHA
  • Enlargement Petitions


  • Water Supply Well Design and Drilling Oversight
  • Aquifer Testing, including Pumping Tests, Interference Tests, and Slug Tests
  • Permeability Testing (Injection Falloff Testing – IFOT)
  • Aquifer Classification Evaluations
  • Injection Well Design and Permitting