Featured Projects

Our integrated teams innovate and collaborate. See some examples of our work.

Stillaguamish Village Design

Tacoma Climate Change Resiliency Study


Port Angeles Landfill Stabilization

Delridge Natural Drainage Solutions

Carli Creek Restoration and Stormwater Treatment Design

Black Pine Mine Reclamation


Cedar River Corridor Planning

Evaluating Establishment of a No Discharge Zone in Puget Sound

Western Edge Student Housing

Vegetation and Wildlife Surveys for Bonneville Power I-5 Corridor

SR 167 Completion Habitat Mitigation and Stormwater Design

Cordata Trail to Elementary School

Rochester Infiltration Facility

Evaluating Stormwater Retrofit and Restoration Opportunities in the Lower-Middle Deschutes River

Stormwater Program Support for Tumwater

Chicken Creek Refuge Restoration


D Avenue Green Street Stormwater Enhancement

Community Park at Cordata

Stormwater Infiltration and Impacts on Groundwater

LID Code Review and Implementation Tools

IC/ID Field Screening Guidance Manual and Training

Lake Whatcom North Shore Water Quality Testing

Vancouver Watershed Health Assessment

Sunset Mine and Mill Reclamation

University CSO GSI Design Project

Upper Clear Creek Habitat Enhancement

Light Rail Construction Environmental Oversight

Seattle Center Campus Green Stormwater Retrofit

BMP Certification Services

Interbay Landfill Gas Extraction System

River Mine Reclamation

Retrofits to Reduce Phosphorus in Stormwater

Optimizing Bioretention Soil Media


Developing New Treatment Media for Park Place Stormwater Facility

Port of Seattle Street Sweeping Effectiveness Study

Cedar Hills Landfill Development Alternatives

East Orchard Retrofit and Design

Tacoma Sustainable Materials Management Plan

Lake Whatcom Stormwater Capital Program

Colman Dock Sediment Cleanup Plan

Washington State Low Impact Development Training

Marymoor and Overlake Sustainable Redesign

Burnt Bridge Creek 2017 Trend Analysis

Big Cliff Remedial Investigation

Redmond Bioretention Research

Lower White River Countyline Levee Setback

Secret Harbor Salt Marsh Restoration

City of Roses Disposal and Recycling Upgrades


Holden Mine Remediation

Redmond Bioretention Monitoring

Chambers Lake Stormwater Treatment Facility

Zhenjiang Sponge City Infrastructure Planning

Sinnema Quaale Trail Protection and Habitat Enhancement

Hall Creek Culvert Removal and Restoration

City of San Francisco Typical Plans and Specifications for Green Stormwater Infrastructure

Coal Creek Parkway Culvert Replacement

WindFloat Pacific Offshore Wind Demonstration Project NEPA EA and Permitting


Green Lake Integrated Phosphorus Management Plan and Alum Treatment Design

Redmond Watershed Management Plan

Forest Rose Mine Reclamation


Pullen Creek Fish Passage and Restoration Design

City of Seattle Stormwater Code and Manual Update

Hillslope Delineation Toolbox and Batch Modeling