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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Peters Drilling & Pump Service

Contractors Company
PO Box 1546
Grass Valley, CA 95945-1546
United States
(530) 273-8136

McLean & Williams Inc

Contractors Company
878 El Centro Ave
Napa, CA 94558-1955
United States
(707) 255-6450

Kathi Parks

Contractor Individual
PO Box 494
Zamora, CA 95698-0494
United States
(530) 661-9027

Larbre Well Drilling & Pumps Inc

Contractors Company
18715 Arnold Dr
Sonoma, CA 95476-5201
United States
(707) 996-1819

Nor-Cal Pump & Well Drilling Inc

Contractors Company
1325 Barry Rd
Yuba City, CA 95993
United States
(530) 674-5861

Pumpman LLC

Contractors Company
5020 Bleecker St
Baldwin Park, CA 91706
United States
(626) 939-0300

Arolo Co

Contractors Company
424 Payran St Ste A
Petaluma, CA 94952-5920
United States
(707) 762-4028

General Pump Company Inc

Contractors Company
159 N Acacia St
San Dimas, CA 91773-2585
United States
(909) 599-9606

Jerry & Dons Yager Pump & Well Service

Contractors Company
PO Box 2689
Petaluma, CA 94953-2689
(707) 762-1473

Koenig Enterprises Water Well Drilling

Contractors Company
102 Veronda Ave
Cotati, CA 94931
United States
(707) 888-9617

Bartley Pump Inc

Contractors Company
4000 S Moorland Ave
Santa Rosa, CA 95407-8110
(707) 584-9191

Solomon Well Drilling & Pump Service Inc

Contractors Company
PO Box 940
Lucerne Valley, CA 92356-0940
United States
(760) 248-7916

Independent Well Drilling

Contractors Company
PO Box 286
Lucerne Valley, CA 92356
United States
760-247-9882

Clear Heart Drilling Inc

Contractors Company
555 W College Ave Ste B
Santa Rosa, CA 95401
United States
(707) 568-6095

Michael Haske

Contractor Individual
2726 Walnut Avenue
Signal Hill, CA 90755
United States

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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 […]