Projects

ADH staff has extensive experience in successfully designing, planning, implementing, evaluating and reporting on innovative state-of-the-art Best Management Practice (BMP) effectiveness testing and evaluation programs to fulfill National Pollutant Discharge Elimination System (NPDES) Phase 1 and 2 requirements.  ADH has performed numerous facility inspections typically associated with industrial general and individual NPDES Phase 1 and 2 Stormwater Pollution Prevention Plan (SWPPP) projects throughout California. As such, we are very skilled at assessing facility conditions related to illicit discharge source identification, implementation of corrective actions, and evaluating and revising programmatic and structural BMPs to increase their effectiveness at the same time meeting our client’s specific regulatory challenges.

ADH field and scientific personnel have extensive experience in the development, evaluation, and implementation of erosion control devices as aspects of larger projects for state agencies and private industry. This work has included the design and construction supervision of storm water detention ponds for Hanson Aggregates at Clayton, California; the reporting on the effectiveness of installed erosion control BMP's for the California Department of Transportation (Caltrans); and provision of assistance to help ensure compliance with site NPDES permits, project contract requirements and permits, approved Storm Water Pollution Prevention Plans (SWPPP), Water Pollution Control Plans (WPCP) for Caltrans.

ADH has provided professional capabilities and expertise in environmental and physical oceanographic studies, including dredge material reuse disposal options studies, dye studies, current metering projects, and boat and barge operations. Clients have included the U.S. Army Corps of Engineers, San Francisco, Los Angeles, and Sacramento Districts; the California Department of Transportation, and the City and County fo San Francisco Department of Public Works. Projects sites have included Crescent City Harbor, Humboldt Bay Harbor, Noyo Harbor and River, Carquinez Straits, Crescent City Harbor, Moss Landing Harbor, Morro Bay Harbor, and the Sacramento Deep-Water Channel.