Donald P. Hanson R.G.
Principal Hydrogeologist
dhanson@clearcreekassociates.com
Expertise: Mr. Hanson has been providing environmental and water resources-related consulting services to Arizona clients for over 25 years. As Principal Hydrogeologist, he is responsible for business development, project management, and acts as a technical resource for a variety of special projects. Celebrating his tenth year at Clear Creek Associates, Mr. Hanson has been an integral component of the company’s success as a highly respected water resources and environmental consulting firm serving public and private sectors alike. Prior to joining Clear Creek Associates, Mr. Hanson was the Phoenix Office Manager for the environmental and engineering consulting firm Harding Lawson Associates. During his 12+ year tenure at HLA, he managed numerous environmental projects ranging from the relatively simple to multi-million dollar, multi-year complex soil and groundwater projects. Mr. Hanson obtained his BS in Geology from Northern Arizona University, where his emphasis was on hydrogeology. He began his career at the City of Flagstaff Water Department where he collected and maintained operational and efficiency data on the City’s public supply wells and spring collection systems. He began his consulting career in 1984 with Dames & Moore, a large, internationally renowned engineering firm.
With many years of experience working on both Federal and State Superfund projects involving various types of contaminants, Mr. Hanson has amassed a knowledge base that allows him to provide the technical expertise needed to develop cost effective site characterizations, feasibility studies, and remedial actions for complex groundwater contamination sites. He has helped clients solve technically challenging problems involving chlorinated organic compounds and sites with extensive phase separated hydrocarbon. His knowledge of contaminant transport and risk to human health and the environment from various chemicals of concern allows him to provide alternative cost-effective cleanup solutions for his clients.
In addition to his environmental background, Mr. Hanson has developed an impressive project list of water resources related projects including design and rehabilitation of public supply wells, aquifer storage and recovery (ASR), permitting, and water quality evaluations. With Clear Creek Associates, Mr. Hanson has managed the design and construction of more than 15 ASR wells, several vadose zone injection wells, and groundwater recharge basins. He has also conducted studies to enhance performance of recharge facilities. He is intimately familiar with the State’s Aquifer Protection Permit and Underground Storage Facility programs having permitted over a dozen sites. He has authored papers and given presentations on the methods and impacts of groundwater recharge and is actively involved in siting studies and water quality issues associated with Indirect Potable Reuse of reclaimed water.
Staying abreast of the State-of-the-Science of groundwater recharge has allowed Mr. Hanson to develop a reputation for technical excellence with State agencies while providing Practical Solutions in Groundwater Science to a growing number of clients intent of conserving and reusing our precious water resources.
Academic Background & Registration: B.S., Geology/Hydrogeology, Northern Arizona University, 1984; Registered Geologist, Arizona (1992) No. 26036; Professional Geologist, Wyoming (1998) No. PG-2983.