Environmental Science Projects

View all projects

Herrera works at the forefront of environmental science. We plan, analyze, and design solutions to a variety of environmental contamination and mitigation issues. Our combined strengths in aquatic chemistry and water quality analysis, stormwater management and design, hydrologic and hydraulic analysis, stream habitat characterization, limnology, functions and attributes of wetlands, and landfill and hazardous waste characterization and remediation are unique in the industry.

Port Orchard Stormwater Infrastructure and Sea Level Rise Analysis

Vancouver Sea2City Design Challenge

Shoreline Climate Impact and Resiliency Plan

Jake Kuredjian Park Stormwater Project Feasibility Study

Merced Avenue Greenway Project Monitoring

County of San Diego Community-Focused Stormwater Program

State Parks Shoreline Vulnerability Assessment and Climate Adaptation

Boise Creek Golf Course Restoration Final Design

Shannon Point Shoreline Improvements

Pressentin Park Side Channel Restoration and Recreational Improvements

Puget Sound Shore Friendly Program Support

City of Kenmore Integrated Aquatic Vegetation Management Plan

Black Lake Algae Control Plan, Alum Treatments, and Septic Source Tracking

Hidden Lake Dam Removal

Troy Mine Revegetation Services

Lake Sammamish Snorkeling Survey

Lone Lake Management Plan

Port Susan Bay Estuary Restoration

Still Harbor Shoreline Restoration Feasibility Study at McNeil Island

Port of Everett Stormwater Treatment Alternatives Analysis

Sun Canyon Road Resurfacing

Cottonwood Creek Wetland and Stream Delineations

Trophic Cascade Effects on Algae Blooms in Washington State

Vaughn Bay Microbial Source Tracking Study


Ediz Hook Restoration

Cornet Bay and Hoypus Point Improvements at Deception Pass State Park

Piner Point Shoreline Stabilization

Nearshore Restoration at Fort Townsend State Park

Dockton Beach Park Shoreline Restoration

Port Angeles Landfill Stabilization

Carli Creek Restoration and Stormwater Treatment Design

Cedar River Corridor Planning

Evaluating Establishment of a No Discharge Zone in Puget Sound

Vegetation and Wildlife Surveys for Bonneville Power I-5 Corridor

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

Stormwater Infiltration and Impacts on Groundwater

Lake Whatcom North Shore Water Quality Testing

Vancouver Watershed Health Assessment

Optimizing Bioretention Soil Media


Park Place Facility Design and POST Media Development

Port of Seattle Street Sweeping Effectiveness Study

Colman Dock Sediment Cleanup Plan

Washington State Low Impact Development Training

Burnt Bridge Creek 2017 Trend Analysis

Big Cliff Remedial Investigation

Redmond Bioretention Research

Redmond Bioretention Monitoring

Green Lake Integrated Phosphorus Management Plan and Alum Treatment Design

Redmond Watershed Management Plan

Hillslope Delineation Toolbox and Batch Modeling