About Us

ADH Technical Services, Inc. dba ADH Environmental (ADH) is a California Corporation established in 1999. ADH’s offices are located in Soquel, McKinleyville, and Redding, California, with other field offices located strategically around the state. ADH is a very nimble corporation able to provide our services throughout central and northern California focused on water quality issues ranging from small/routine to large/high profile projects requiring an elevated degree of business and technical sophistication.
Staff Expertise

As an environmental consulting services corporation, ADH’s staff is comprised of storm water and surface water quality management professionals, professionally certified engineers, professional geologists, engineering geologists, qualified SWPPP developers and practitioners, hydrogeologists, oceanographers, biologists, and database management personnel. ADH staff have up to 30 years of experience in serving both public and private sector clients.

- Home
- About
- Services
- Projects
- Stormwater and Surface Water Quality
- ACCWP Stormwater, Bioassessment, Instrumentation
- CCCWP Stormwater, Bioassessment, Instrumentation
- Clean Watersheds for a Clean Bay
- CalTrans SFOBB
- City of Trinidad - Storm Water Management Improvement Project
- Caltrans Willits
- CalTrans Storm Drain Inventory
- CalTrans LTDC
- CalTrans OGAPP
- Caltrans ORVTS
- CalTrans ASBS
- Gentry-Suisun Water Quality
- Summit Lake
- Santa Cruz Storm Water
- FedEx Storm Water
- Areas of Special Biological Significance Reference Stream Receiving Water Monitoring and Data Management
- Stormwater BMP Compliance
- Erosion & Sediment Control
- Coastal Oceanography and Sediment Sampling
- Pinole Shoal Channel Sediment Characterization 2010
- Pinole Shoal Channel Sediment Characterization 2009
- Crescent City Sediment Characterization
- Marina Sediment Transport Modeling
- Suisin Bay and New York Slough Sediment Characterization
- Humboldt Harbor Channel USACE
- Noyo River USACE
- Trinidad Rancheria
- Devil's Slide Dilution
- West Basin Coring
- Pier 27 Coring
- Pier 35 Coring
- Miscellaneous
- Stormwater and Surface Water Quality
- Clients
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- Contact