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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Salinas Pump Co

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

Pacific Southwest Irrigation

Contractors Company
8372 S Jack Tone Rd
Stockton, CA 95215
(209) 460-0450

Industrial Pump Shop Inc

Contractors Company
899 Vertin Ave
Salinas, CA 93901-4577
(831) 758-6163

Granite Drilling Co

Contractors Company
PO Box 6038
Salinas, CA 93912
(831) 751-6300

Dougherty Pump & Drilling Inc

Contractors Company
2108 San Miguel Canyon Rd
Salinas, CA 93907-8857
United States
(831) 663-3562

Purviance Drillers Inc

Contractors Company
PO Box 64
Linden, CA 95236-0064
(209) 887-3554

NCTC China Lake

Contractors Company
1 Admin Cir Bldg 02681 S1102
Ridgecrest, CA 93555-6104
(760) 939-0625

Guardino Well Drilling

Contractors Company
4825 Croy Rd
Morgan Hill, CA 95037-9419
United States
(408) 779-5904

Moorman's Water Systems

Contractors Company
2120 Wilcox Rd
Stockton, CA 95215-2312
(209) 931-3210

Maggiora Bros Drilling Inc

Contractors Company
595 Airport Blvd
Watsonville, CA 95076-2027
(831) 724-1338

M & W Pumps Inc

Contractors Company
1226 Furukawa Way Ste A
Santa Maria, CA 93458-4970
(805) 925-1147

Blaine Tech Services Inc

Contractors Company
1680 Rogers Ave
San Jose, CA 95112-1105
United States
(408) 573-0555

Britton Exploration Inc

Contractors Company
PO Box 2261
Los Gatos, CA 95031

Trinity Source Group Inc

Contractors Company
119 Encinal St
Santa Cruz, CA 95060
(831) 426-5600

Earth Flow Drilling Co

Contractors Company
2600 Smith Grade
Santa Cruz, CA 95060-9762
(831) 423-3288

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 […]