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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Kings River Drilling

Contractors Company
1650 S Rainbow Ave
Sanger, CA 93657-8922
United States
(559) 994-0653

Belknap Pump Co Inc

Contractors Company
38193 Road 76
Dinuba, CA 93618-9740
United States
(559) 591-4241

Arthur & Orum Well Drilling

Contractors Company
14870 S East Ave
Fresno, CA 93725
(209) 896-5369

Cal Gro Pump Service Inc

Contractors Company
9817 W Grove Ave
Visalia, CA 93291
United States
(559) 651-0802

Myers Well Drilling

Contractors Company
11745 2nd Ave
Hanford, CA 93230-9372
United States
(559) 582-1580

Myers Bros Well Drilling Inc

Contractors Company
PO Box 1283
Hanford, CA 93232-1283
(559) 582-9031

Kaweah Pump Inc

Contractors Company
15499 Avenue 280
Visalia, CA 93292-9718
United States
(559) 747-0755

Madera Pumps

Contractors Company
11884 Road 29
Madera, CA 93637
United States
(559) 517-6303

King Pump & Well

Contractors Company
13821 W Lacey Blvd
Hanford, CA 93230
United States
(559) 816-4148

Willitts Equipment Co Inc

Contractors Company
PO Box 1110
Exeter, CA 93221-7110
United States
(559) 594-5020

Haynes & Sons Well Drilling

Contractors Company
13827 Houston Ave
Hanford, CA 93230-9225
United States
(559) 582-9355

Anderson Pump Co

Contractors Company
PO Box 906
Chowchilla, CA 93610-0906
United States
(559) 665-4477

Diversified Drilling

Contractors Company
PO Box 968
Porterville, CA 93258
United States
(661) 268-1881

WPI Water Resources Inc

Contractors Company
PO Box 11139
Terra Bella, CA 93270-1139
United States

Dos Palos Well Drilling

Contractors Company
2028 Blossom St
Dos Palos, CA 93620-2312
United States
(209) 392-3977

Find Water Well Drilling In

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 […]