quality services

We focus on providing quality services to our clients. We bring the latest technology and knowledge of current regulatory standards to meet or exceed our client's expectations.

Water Resource Engineering Services

Preserving Natural Resources

We have designed more than 800 hydraulic systems over streams, along wetlands, and adjacent to lakes. We implement concepts and designs that balance both the water quality and quantity responsibilities, and understand the integration of the environmental, policy, and structural needs through application of sound engineering practice.

Hydrologic & Hydraulic Modeling

  • Urban Stormwater Modeling
  • Lake and Reservoir Modeling
  • Stream and Rural Modeling
  • Hydraulic Structures
  • Bridge Scour Analysis
  • Dam and Levee Failure Analysis
  • Floodplain Impact and Mitigation
  • Wetland Impact and Mitigation

Water Quality Modeling and Design

  • Infiltration, Filtration and Sedimentation Analysis and Design
  • Best Management Practices (BMPs)
  • Erosion and Sediment Control
  • Stormwater Water Quality Improvements

Stormwater & Surface Management

  • Surface Water Management Plans
  • Sub-District Drainage Plans
  • Flood Studies
  • Operation and Maintenance
  • Capital Improvement Plans
  • CLOMR and LOMR

Environmental Permitting and Compliance

  • USACE 404, MPCA and MNDNR Permitting
  • MS4 Permitting
  • Flood Studies
  • Surface Water Pollution Prevention Plan (SWPPP)

Transportation Services

Moving Safely and Efficiently

We implement efficient and effective surface transportation systems and understand the need to address multilevel requirements and goals from a variety of stakeholders, users, and system owners.


  • Roadway and Parking Design
  • Highway Design
  • Multiuse Recreational Trails
  • Environmental Documentation
  • Drainage and Stormwater Management
  • Water Quality, SWPPP and BMPs for transportation projects
  • ADA Review and Design

Traffic Engineering

  • Traffic Signal Design
  • Traffic Studies and Analysis
  • Maintenance of Traffic (MOT)
  • Construction Staging
  • Signing and Pavement Markings
  • ADA Compliance
  • Roadway Lighting
  • Parking Studies and Design
  • Noise Wall Studies


  • Bidding Phase Services
  • Shop Drawing Review
  • Contract Administration
  • On-site Construction Observation
  • Record and As-Built Drawings
  • ADA Reviews