Yucaipa, CA. Our team has completed multiple project in Yucaipa including groundwater recharge, modeling, and well design and construction.

Who We Are

OUR HISTORY

Geoscience was founded in 1978 by Dr. Dennis Williams, Ph.D., PG, CHG., after working for the Los Angeles Department of Water and Power and consulting overseas. Throughout our history, we have accomplished several “firsts” in the industry:

  • The first numerical groundwater model of the Orange County area
  • The first SCADA-controlled wellfield in the Middle East
  • The first ocean water injection well barrier in the Middle East
  •  The first to develop zone testing for water quality sampling in wells
  • The first artificially gravel packed slant well designed and constructed
  • One of the first to study and quantify well casing opening size on production efficiency

To this day, we continue to innovate and develop new methods to help our clients be successful and meet their groundwater supply needs and challenges.

1962

Our founder, Dr. Dennis Williams, completes undergraduate study at the University of Redlands

1962

Dr. Williams begins graduate studies in groundwater hydrology at New Mexico Tech

Early 1960s

Groundwater models were analogue and mainly developed by the United States Geological Survey (USGS). They were extremely large, complex, and specific to each basin.

1962

Dr. Williams begins consulting

1965

Dr. Williams accepted a job at LADWP

  • Developed groundwater in the Owens Valley
  • Rare to have a degree in groundwater hydrology at that time

Mid 1960s

As computers became more available, computer codes were developed to model ground water basins using distributed parameter models. Models used Fortran code, and were transcribed on punch-cards.

1966

Dr. Williams returns to New Mexico Tech to begin a doctoral progam

  • Offered a graduate assistantship to complete his PhD.
  • Worked with Mahdi Hantush and C.E. Jacob – two of the earliest researchers in the field
  • PhD thesis was a groundwater investigation of the Owens valley which developed the first groundwater model of the valley.

1968

Dr. Williams completed his doctoral program attaining a PhD in groundwater hydrology and Returns to LADWP

  • Continued well development in Owens Valley, leading the transition from using cable tool drilling to reverse rotary methods to increase drilling rates
  • Developed an electrohydraulic arch tool to clear clogged artesian wells near Bishop, CA
  • Developed a shape charge explosive device to lower into basaltic aquifer wells to improve water production.
    • Developed a shape charge explosive device to lower into basaltic aquifer wells to improve water production. The device was based on Dr. Williams’ graduate work at New Mexico Institute of Mining Technology where he learned how to make shape charges from the Navy while doing tests with explosives.

1970

Dr. Williams leaves LADWP to pursue consulting work.

1971

Dr. Williams began working for Louis Berger to develop wellfields in Iran.

  • Unknown to our founder at the time, Louis Berger was working with the CIA to develop well fields in Iran
  • Dr. Williams began work on the Gorgon Project – next to the Caspian Sea to construct 150 deep-water supply wells.

1972

Dr. Williams begins the first seawater barrier injection well project in the Middle East

  • Through a mutual acquaintance, Dennis met the Shah’s brother, Prince Abdul Reza who had a farm adjacent to the Caspian Sea. His wells were being effected by salt water and Dennis mentioned that he could use injection wells to push the saltwater back and form a barrier. The prince said, “Do it,” and the project was born..

1972

Dr. Williams begins the first SCADA controlled wellfield project in the Middle East

  • During a subsequent meeting with Prince Abdul Reza, Dr. Williams mentioned that the seawater barrier injection wells could be operated and monitored via computer with a SCADA system. The prince said, “do it.”

1972-1978

Dr. Williams works with the United Nations Development Program

  • Dr. Williams wrote a paper titled “Modern Techniques in Groundwater Studies,” which led to him being hired by the United Nations for part-time missions to India to construct the first digital computer groundwater model in the country.

1978

Dr. Williams returns to the United States

  • Because of the unrest in the country, and so that his children could attend Jr. High and High School in the United States, Dennis returned to California.
  • Once in the United States, his contacts in Iran told him it was best if he didn’t return just yet.

1978

Geoscience Support Services, Inc. formed

  • Dr. Williams named the company Geoscience after the Geoscience Department at New Mexico Tech since he was fond of the department and it fit with his views on groundwater services.

1979

One of Geoscience’s first jobs was with NEC to write the software for SCADA system at Prince Abdul Reza’s former farm.

1980

Geoscience gets it’s first water district client, West Valley Water District

1980

Dr. Williams and Geoscience design the world’s largest aquifer model with Roscoe Moss Company.

  • The model was constructed to conduct research on well screen efficiency.
  • The results from Dr. Williams’ research was the basis for the water well design sections of Handbook of Groundwater Development

1980

Geoscience develops its own proprietary groundwater modeling code as no industry-standard program existed at the time.

1980

Dr. Williams begins teaching graduate-level courses in geohydrology and groundwater modeling

  • One of his students, Johnson Yeh, became a graduate-level intern at Geoscience in the late 1980s and began working at Geoscience full time once he completed his PhD in 1991. More than two decades later, Dr. Yeh is currently our Principal Groundwater Modeler and has developed groundwater models for several water districts in Southern California.

1981

Geoscience gets a new logo

  • The logo was based on an inverted triangle which is often used to denote land subsidence.
  • We have used a version of this logo in one form or another for the past 40 years.

1981

Geoscience completes its first groundwater audit

  • Geoscience completed the first water audit for Rancho California Water District, which helped the District sustainably manage the local groundwater basin.
  • The audit is similar to what would eventually be covered under the Sustainable Groundwater Management Act of 2014

1985

Dr. Williams published Modern Techniques in Water Well Design establishing empirical well efficiency data and design parameters for the first time.

1988

Supported Litigation between the Government of Libya and Brazilian Oil Company at the International Court of Arbitration

1988

The USGS develops a code for groundwater models called MODFLOW, which becomes industry standard.

  • Recognizing the need for an industry-standard code, Geoscience starts developing groundwater models using MODFLOW

1994

Geoscience began the Diamond Valley Lake Recovery Well project with the Metropolitan Water District of Southern California. At the time Geoscience’s largest project

1995

Geoscience worked with USGS to review the San Bernardino Model, beginning a long relationship with USGS to help review and beta-test groundwater model code including GSFLOW

2005

Geoscience was approached by South Coast Water District to develop a slant well desalination intake system

  • The intake system became the first artificially packed slant well developed

2010

Geoscience began the second slant well desalination intake project in Monterey, CA

2015

Geoscience supported Litigation between Disi Water Co. and the Government of Jordan at the International Court of Arbitration

2015-2020

Geoscience served as an expert witness for the Antelope Valley Arbitration Case, the largest in California.

2017

Geoscience begins work on the Upper Santa Ana River Integrated Model, the largest integrated surface-groundwater models in California

2018

Geoscience celebrates its 40-year anniversary

2018

Geoscience selected to support a litigation case appearing before the United States Supreme Court

2019

Our founder, Dr. Dennis Williams, is recognized and received the Lifetime Achievement award from the Groundwater Resources Association

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