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Geological, Water Resource, and Environmental Consulting

DEANE CONSULTING, Inc. (DCI) provides professional geological, water resources, groundwater and environmental consulting services in accordance to a wide range of clients' project requirements.  Thomas C. Deane, CHg, PG, RG, MSc is the principal geologist/hydrogeologist for DCI and has over 30 years of professional consulting experience in projects throughout the western United States, eastern Europe, and South America.  DCI will bring an innovative approach to your project, in which a clear understanding of your project site can, and should, be used to your benefit.  The projects highlighted on this website demonstrate the innovative problem-solving that Mr. Deane has used on large- and small-scale projects, benefitting client long-term project needs.  This website also includes a list of professional presentations that Mr. Deane has given over the years. 

Current projects include geological, surface water, and groundwater investigations for water resource, mining, and land development clients; mine permitting support; and water-related arbitration/litigation support for selected clients.  DCI carries appropriate professional insurance coverage.

DCI will team with other professionals (i.e., engineers, biologists, etc.), as either the lead or subconsultant, to effectively support client project needs.  DCI is located in the city of Redlands, California. Our personnel can travel to anywhere within the United States and are available for international projects as well.
Please visit Mr. Deane's profile on
 Recent projects highlighted on this website:
OMYA California Inc.'s White Knob Quarry, Lucerne Valley CA (2005-Present)
Effects of August 2003 Debris Flow and Superposition of Seasonal Spring Flow on Multi-Year Variable
Spring Base Flow Conditions at Ruby Springs
Orange Crest/Mission Grove Area (OCMGA), Riverside CA (2008-2012)
OCMGA Part 1: Visual Quantification of Surface Water Outflow Resulting From
Over-Irrigation of OCMGA Residential/Business Landscaping

North Reach Perris Valley Pipeline, Riverside CA (2008-2009)
OCMGA Part 2: Groundwater Problems Caused by Shallow Bedrock Paleochannels/Nearby Septic Systems
During Installation of Large-Diameter Regional Water Supply Pipeline

Older projects highlighted on this website:

Apache Powder Superfund Site, Benson AZ (1998-2000)
Effects of Paleochannels on Groundwater Contaminant Plume Migration (University of Arizona MS Thesis)

Lehel Electrolux, Hungary (1993-1994)
Effects of Zagyva River Paleosediments on Expected Jaszbereny Factory Groundwater Flow 
Selected projects not highlighted on this website:
Santa Ana River Interceptor (SARI) Post-Construction Dewatering Investigation (Gypsum Canyon CA; W.A. Rasic Construction)
Compania Minera Dona Ines, Salares de Coposa y Michincha (Chile; Errol L. Montgomery & Associates)
AMAX Sleeper Gold Prospect (Winnemucca NV; AMAX Exploration)
Brown and Bryant Superfund Site (Arvin CA; Kennedy/Jenks/Chilton)
Stringfellow Superfund Site (Riverside CA; Camp, Dresser & McKee)
Operating Industries Inc. Superfund Site (Monterey Park CA; Camp, Dresser & McKee)
Pacific Airmotive Corporation (Burbank CA; Kennedy/Jenks/Chilton)
Camp Pendleton Marine Corps Base (Oceanside CA; Camp, Dresser & McKee)
McDonnell Douglas Space Systems Corporation (Huntington Beach CA; Kennedy/Jenks/Chilton)
The Walt Disney Studios (Burbank CA; Kennedy/Jenks/Chilton)
Dow Chemical Company v. United States of America (Midland MI; Hargis + Associates)
Several Municipal Water Wells (Anaheim, Cucamonga, Lompoc CA, Tempe AZ; Camp, Dresser & McKee)

"When you understand how your hydrologic system works, only then can you truly use it to your advantage" - Thomas C. Deane circa 2000

Contact Information
Mr. Deane's cell phone:

Email :
Mailing address:
P.O. Box 262
Redlands, CA 92373