Alessandro Hnatt

Senior Scientist
Alessandro Hnatt, CEO of ADH Environmental
Career Summary: 

Mr. Hnatt is founder, president and chief executive officer of ADH, and has over 24 years of demonstrated ability to successfully manage and perform complex and comprehensive environmental investigation programs that require coordinating the resources of environmental scientists, geologists, engineers, biologists, chemists and toxicologists. In 1988, Mr. Hnatt began his career with The MARK Group, Engineers & Geologists, Inc. as a field scientist and manager performing various hydrogeologic, remedial investigation/feasibility studies, solid waste assessment and geotechnical projects throughout central and southern California. He served as a senior project scientist for Kinnetic Laboratories, Inc. from 1993 until 1997, where he managed sediment dredge reuse/disposal studies, several large-scale industrial and municipal National Pollutant Discharge Elimination System (NPDES) Phase I programs, and water quality special studies throughout California. Since founding ADH in 1999, he has primarily served as a principal scientist overseeing a wide range of environmental investigations and monitoring projects. In addition to managing day-to-day operations of ADH, Mr. Hnatt’s responsibilities typically include prime and subcontract negotiations, project cost estimating, study design, project oversight, technical advisor, allocation/assignment of staff resources, and ensuring client satisfaction.

Since 1993 Mr. Hnatt has managed, performed and participated in numerous stormwater and water quality monitoring programs, projects and special studies throughout California. Clients have included the Department of Defense (DOD), municipalities, commercial industry, utility providers, port districts, transportation corridor (Caltrans), Native American tribes, research institutions and private stakeholders. Programs and projects have been performed in compliance with US Environmental Protection Agency Clean Water Act (EPA CWA) Section 106 requirements, State Water Resource Control Board (SWRCB) waste discharge requirements (WDRs), National Pollution Discharge Elimination (NPDES) Phase I and II permitted projects, and special receiving water quality studies. He has overseen NPDES Phase I and II projects performed for statewide, regional, group and individual permittees often requiring development, revision and/or implementation of respective Stormwater Pollution Prevention Plans (SWPPPs), structural and programmatic Best Management Practices (BMP) evaluations, and development of creative monitoring solutions to address specific client’s needs. Mr. Hnatt has been solely responsible for all aspects associated with project management including proposal coordination and execution of all project related activities. In association with these projects he has written quality assurance project plans (QAPPs), sampling and analysis plans (SAPs), health and safety plans, technical reports and operation and maintenance manuals; performed thorough data validation (QA/QC); served as senior editor of technical reports; conducted formal presentations and training seminars; participated in empirical water quality studies; executed a Water Quality Management Plan (WQMP) to establish water quality standards; he participates in discussion groups; and has provided technical litigation support.

For almost two decades Mr. Hnatt has also coordinated and conducted dredge sediment material characterization studies throughout California. Projects have been performed in coordination with, respect to and/or reviewed by the following: U.S. EPA Region 9, SWRCB, respective Regional Water Quality Control Board (RWQCB) waste discharge requirements (WDRs), Dredged Material Management Office (EPA, San Francisco Bay RWQCB, Bay Conservation and Development Commission, and California Department of Fish & Game), National Oceanographic and Atmospheric Administration, U.S. Fish & Wildlife Service, California Coastal Commission, Oregon Department of Land Conservation and Development, and Oregon Department of Environmental Quality. Mr. Hnatt has coordinated and conducted these studies for the US Army Corps of Engineers (USACE), San Francisco and Sacramento districts at numerous project sites, county agencies, marinas (Moss Landing, Newport Bay and Queensway Bay) and port districts (Port of Long Beach and Port of Los Angeles), and the U.S. Navy (Naval Air Station, Alameda, and Mare Island). For these projects, he has written SAPs and numerous technical data reports on physical, chemical and biological and toxicological test results; provided technical guidance on reuse and disposal options; served as senior editor of technical data reports; performed QA/QC and data validation; and, served as client and regulatory agency liaison.

Areas of Proficiency: 
  • Industrial, Municipal and Transportation Corridor NPDES I and II Permitted Projects
  • Storm Water Best Management Practice (BMP) Effectiveness Study Design, Testing & Evaluation
  • Stormwater Pollution Prevention Plan (SWPPP) Implementation
  • Sediment Dredge Materials Re-use/Disposal Studies, Reporting and Consultation
  • Quality Assurance and Quality Control
  • B.A., Physical Geography, University of California at Santa Barbara, CA; 1984
  • A.S., Commercial Pilot, College of San Mateo, San Mateo, CA; 1981
Starting Year of Employment: 
1 999