ADH Technical Services

ADH has successfully performed water quality and stormwater related monitoring programs since 1999, and many of our staff have over twenty years professional experience providing expertise to federal, state, and municipal agencies, Native American tribes, as well as commercial, industrial and private clientele.

Mr. Hnatt is founder and president of ADH and has over 30 years experience performing complex environmental investigation programs. In 1988, Mr. Hnatt began his career with The MARK Group, Engineers & Geologists, Inc. performing hydrogeologic, remedial investigation/feasibility studies, solid waste assessment and geotechnical projects throughout central and southern California.

Mr. Kocher has over 30 years of professional experience performing sediment dredge materials studies, physical oceanography, storm water hydrology, and coastal water/sediment quality investigations. Mr. Kocher has served as a project manager and senior scientist for large-scale, multi-faceted environmental investigations for both government and private sectors.

Mr. Wilde has over 43 years of experience performing stormwater studies including conceptual design, monitoring equipment custom configuration and installation, remote communications, and statistical data management and analysis.

In relation to instrumentation hardware and software, he has created programs for various data loggers and interfaced sensors for automated stormwater sampling systems, including the development of input/output routines using proprietary communications protocols of manufacturers of flow meters and other devices.

Tim Cook has over 36 years of experience conducting geological investigations and designing systems to improve the environment. He has served as the vice president of a construction/engineering firm, performed research, performed field inspections, and provided oversight during large earth moving projects.