Environmental Science Projects

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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.

City of Kenmore Integrated Aquatic Vegetation Management Plan

Hidden Lake Dam Removal

Troy Mine Revegetation Services

Lake Sammamish Snorkeling Survey

Lone Lake Management Plan

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

       

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