Erosion & Sediment Control Projects

Project Image Project Title ADH Client
Placement of Tunnel Spoils and Concrete Waste at the Devil’s Slide On-Site Fill Location CalTrans District 4 - Devil’s Slide Improvement Project - Environmental Engineering Assistance California Department of Transportation (CalTrans)
Spanish Creek Bridge erosion control features on steep slope directly adjacent t Caltrans District 2 - Construction Assistance California Department of Transportation (CalTrans)
Severe flooding in downtown Napa as the Napa River and Napa Creek overflow thei Napa Creek Restoration and Flood Control Improvements Project - Environmental Engineering Assistance Napa County Flood Control and Water Conservation District
Stockpile location adjacent to Red Bluff Diversion Dam Meyers Earthwork - Select Material Stockpile Adjacent to Red Bluff Diversion Dam Project Balfour Beatty, Red Bluff Diversion Dam
Accumulation of sand near the San Francisco Marina West Basin entrance channel City and County of San Francisco - Sediment Sampling, Characterization and Disposal Consultation Services Sediment Transport Modeling City and County of San Francisco (City) Department of Public Works (SF DPW) / Bureau of Construction Management
Caltrans Headquarters - Test Plan for the Temporary, Non-Vegetative Erosion Control Pilot Study California Department of Transportation (CalTrans)
PG&E crew installs a submersible pump in a vault Pacific Gas & Electric - Environmental Engineering Assistance Waiver for Small Volume Water Discharges to Land for PG&E Trenches CardnoEntrix
Final Installation of 264 KW Solar Array for Columbia School District Columbia School District, Shasta County - Construction Inspection Services Columbia School District
Clayton Quarry’s settling basin upstream of the proposed detention pond Hanson Aggregates - NPDES II Storm Water Erosion Control BMP Design - Augmented Storm Water BMPs Plan Revision Hanson Aggregates - Mid-Pacific Region

Testimonials

"ADH’s expertise and responsive services aided in the successful completion of the San Francisco Marina West Basin Sediment Characterization Study and securing long-term dredge program permits."

Kathryn Purcell
Program Manager
Science Applications International Corporation

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"The mission of ADH Environmental is to provide our clients the highest quality professional consulting services based upon a sound strategic approach, thorough analyses and effective solutions with the ultimate goal of improving the ecological integrity of our environment."