California Water Well Drilling Contractors

Find qualified Water Well Drilling contractors in California using our contractor lookup tool. Learn more about NGWA Contractor Certifications here.

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Joe Silveira

Contractor Individual
260 Airpark Rd
Atwater, CA 95301
United States
(209) 357-0675

Central Valley Pump Inc

Contractors Company
2930 Greer Rd PMB 196
Turlock, CA 95382
United States
(209) 874-9972

Calwater Drilling Company Inc

Contractors Company
300 S Kilroy Rd
Turlock, CA 95380-9519
(209) 632-7932

Piute Pump Co Inc

Contractors Company
PO Box 2359
Lake Isabella, CA 93240
United States

Bakersfield Well & Pump Co

Contractors Company
7212 Fruitvale Ave
Bakersfield, CA 93308-9529
United States
(661) 393-9661

Don Pedro Pump Inc

Contractors Company
PO Box 1038
Hughson, CA 95326-1038
United States
(209) 632-3161

South Valley Pump Company

Contractors Company
PO Box 82543
Bakersfield, CA 93380-2543
United States

CJ Logan Pump & Electric

Contractors Company
PO Box 20365
Bakersfield, CA 93390-0365
United States
(661) 398-1244

Well Rehabilitation Services Inc

Contractors Company
PO Box 80365
Bakersfield, CA 93380-0365
United States
(661) 587-0914

Johnson Pump Company

Contractors Company
PO Box 2482
Hollister, CA 95024-2482
United States
(831) 537-7006

Hennings Bros Drilling Co Inc

Contractors Company
1930 Ladd Rd
Modesto, CA 95356-9142
United States
(209) 545-1185

Pacific Coast Well Drilling Inc

Contractors Company
PO Box 184
Templeton, CA 93465-0184
United States
(805) 434-5543

Quality Service Inc

Contractors Company
2996 Mchenry ave
Escalon, CA 95320
(209) 838-7842

Filipponi-Thompson Drilling Inc

Contractors Company
PO Box 845
Atascadero, CA 93423-0845
United States
(805) 466-1271

Salinas Pump Co

Contractors Company
21935 Rosehart Way
Salinas, CA 93908-9725
(831) 422-4522

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Frequently Asked Questions

What is a drilled well?

A drilled well consists of a hole bored (a borehole) into the ground, with the upper part or the entire depth of the well being lined with casing. Drilling is most typically conducted with a portable drilling machine brought to the site to construct the borehole. Various methods are used to advance the borehole to the necessary depth, and to remove formation material loosened and suspended by the drilling bit and fluid circulation or bailing system.

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Does water well drilling require a license?

In the United States, most states require licensing of water well contractors, and in most cases, this means that licensed contractors have passed tests and met certain professional requirements to obtain their license. Canadian provinces, Australian states, and New Zealand also use qualification-based licensing. To find out if a contractor is licensed, contact your state government (licensing is often handled by the Department of Natural Resources or Department of Health).

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What is a Certified Well Driller (CWD)?

The Certified Well Driller (CWD) designation from the National Ground Water Association (NGWA) encompasses general industry knowledge as well as practice and expertise in at least one well drilling method.

To achieve NGWA certification, contractors must pass exams testing their technical knowledge, and they must have at least twenty-four consecutive months of full-time groundwater contracting experience. They maintain their certification by obtaining continuing education credits annually.

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California Groundwater and Water Well Statistics

Few states can accurately or confidentially determine how many residential wells are in place. For each region, the American Housing Survey by the U.S. Census provides regional data.

California is found in the West, along with these other states: Alaska, Hawaii, Washington, Oregon, California, Idaho, Utah, Nevada, Arizona, New Mexico, Colorado, Wyoming, and Montana.

The last American Housing Survey Census indicates this region had 1,540,0002 households served by residential wells, with an average of 2.973 persons per household. The USGS estimates the population of self-supplied water supply users in California to be 1,440,000 for which groundwater is 85% of their water source.

  • 2,081 community water systems use groundwater for 7,286,000 people
  • 1,393 non-community, non-transient water systems use groundwater for 371,400 people
  • 2,874 non-community, transient water systems use groundwater for 603,200 people
  • 59,500 irrigation wells used serving 23,600 farms and 3,860,000 acres

Water Well Drilling Articles and Resources

Mud Rotary Drilling Method: What You Need to Know By Gary L. Hix, R.G., CWD/PI There are many different ways to drill a domestic water well. One is what we call the “mud rotary” method. Whether or not this is the desired and/or best method for drilling your well is something more fully explained in this brief summary. Air and water are both fluids […]