Helping thousands of clients locate the best spot to drill is why we love our business!

Call us at 1-800-980-7429 or 559-298-2409 or click below.

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National Groudwater Surveyor is owned and operated by Jay and Bonnie Shaw and their son, Robert. Jay is a true entrepreneur, as he has owned several home improvement businesses. Bonnie is a California State University, Fresno Graduated with a degree in Business Administration. Robert’s background and education is in computer technology.

About the Seismo-Electric Survey Instrument

The Seismo-Electric Survey equipment is designed to detect electrical signals generated by the passage of seismic impulses through soil, sediment, and rock. It is used to detect groundwater and well water for homeowners, farmers, land developers, cattle ranchers, dairy farmers, and anyone who needs to find water but doesn’t want to go through the hassle and expense of drilling a dry well. This system has been effectively locating groundwater throughout North America, Australia, New Zealand, Africa, and Europe. Now National Groundwater Surveyor has this technology to help you!

About the Geophysicist
Electroseismic Graph
Electroseismic Graph

National Groundwater Surveyor, Inc. Vice President in charge of Geophysics Ronald Sorensen (California License PGP #957) oversees the review of all data collection. He has been thoroughly trained on the Seismo-Electric Survey Instrument equipment and serves as an expert for the State of California for their professional geophysical test evaluations. Mr. Sorensen has over thirty years of local and international geophysical experience.


To contact Ron email at [email protected]

Read About Us in the News

Going High Tech to Find Ranchos Water news article

Off in the distance all you hear is seemingly muffled shotgun blasts. You’re tempted to check the date to see if dove season has opened and you somehow missed it, but what you’re really hearing is water being discovered. The water witchers have gone high tech. Read more...

From single family home sites to large agricultural wells, call National Groundwater Surveyor at 800-980-7429.

We also provide Groundwater Surveys in Nevada and Oregon!

Finding Water is what we do WELL!

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