Well Drillers in San Joaquin County, California

San Joaquin County anchors the northern San Joaquin Valley, where agriculture, Delta farming, and growing suburban development all depend on groundwater. Well drilling activity serves farms, new housing developments in the Lodi and Tracy areas, and rural properties throughout the county.

Licensed Contractors

9

Avg. Well Depth

~250 ft

County Seat

Stockton

Licensed C-57 Contractors in San Joaquin County

CALWATER DRILLING COMPANY INC

Active
TURLOCK, CA 95380
(209) 667 7932
Expires: 2027-05-31
License #434218· Verified Active C-57Services your area
View Details →

CLEAR HEART DRILLING INC

Active
SANTA ROSA, CA 95401
(707) 568 6095
Expires: 2026-06-30
License #780357· Verified Active C-57Services your area
View Details →

HAYNES & SONS WELL DRILLING LLC

Active
HANFORD, CA 93230
(559) 582 9355
Expires: 2026-10-31
License #977797· Verified Active C-57Services your area
View Details →

HOWK SYSTEMS

Active
MODESTO, CA 95354
(209) 529 4110
Expires: 2027-09-30
License #479018· Verified Active C-57Services your area
View Details →

NORTH STAR DRILLING INC

Active
ESCALON, CA 95320
(209) 484 5485
Expires: 2026-10-31
License #833906· Verified Active C-57Services your area
View Details →

PURVIANCE DRILLERS INC

Active
LINDEN, CA 95236
(209) 887 3554
Expires: 2027-07-31
License #377923· Verified Active C-57Services your area
View Details →

QUALITY SERVICE

Active
ESCALON, CA 95320
(209) 480 7615
Expires: 2026-03-31
License #834488· Verified Active C-57Services your area
View Details →

R & M WATER WELL DRILLING & PUMPS INC

Active
VALLEY SPRINGS, CA 95252
(209) 772 2757
Expires: 2026-08-30
License #1017078· Verified Active C-57Services your area
View Details →

TEICHERT CONSTRUCTION

Active
SACRAMENTO, CA 95851
(916) 484 3347
Expires: 2027-04-30
License #8· Verified Active C-57Services your area
View Details →

Find Well Drillers by City in San Joaquin County

Stockton

Pop. 320,804

Tracy

Pop. 93,052

Manteca

Pop. 84,053

Lodi

Pop. 67,368

Well Drilling Permits in San Joaquin County

San Joaquin County Environmental Health Department issues well permits. The county has specific setback requirements for the Sacramento-San Joaquin Delta area. SGMA compliance affects groundwater basin management in the eastern portion of the county.

All well construction, modification, or destruction in California must be performed by a contractor holding a valid C-57 Well Drilling license issued by the Contractors State License Board (CSLB).

Geology & Drilling Conditions in San Joaquin County

San Joaquin Valley alluvial deposits provide good aquifer potential. The Delta region has peat and alluvium with shallow groundwater. Eastern San Joaquin County's aquifers have experienced overdraft, leading to managed aquifer recharge programs. Water quality can be affected by agricultural activities.

Frequently Asked Questions About Well Drilling in San Joaquin County

Do I need a permit to drill a well in San Joaquin County?
Yes, a well permit is required before any drilling can begin in San Joaquin County. San Joaquin County Environmental Health Department issues well permits. The county has specific setback requirements for the Sacramento-San Joaquin Delta area. SGMA compliance affects groundwater basin management in the eastern portion of the county. All well work must be performed by a contractor holding a valid California C-57 Well Drilling license.
How much does it cost to drill a well in San Joaquin County?
Well drilling costs in San Joaquin County typically range from $15,000 to $50,000 or more, depending on depth, geological conditions, and site accessibility. Average well depths in the area are around 250 feet. Getting quotes from multiple licensed C-57 contractors is the best way to estimate your specific project cost.
How deep are wells typically drilled in San Joaquin County?
Wells in San Joaquin County average around 250 feet deep, though actual depth varies with location, geology, and intended use. San Joaquin Valley alluvial deposits provide good aquifer potential. The Delta region has peat and alluvium with shallow groundwater. Eastern San Joaquin County's aquifers have experienced overdraft, leading to managed aquifer recharge programs. Water quality can be affected by agricultural activities.
How do I find a licensed well driller in San Joaquin County?
You can browse our directory of verified C-57 licensed well drilling contractors serving San Joaquin County right on this page. Every contractor listed holds a valid California C-57 Well Drilling license verified through the Contractors State License Board (CSLB). We recommend contacting multiple drillers for quotes and checking their license status before hiring.
What should I know about water quality from a well in San Joaquin County?
Water quality from private wells in San Joaquin County depends on local geology and land use. It is recommended that you test your well water annually for bacteria, nitrates, and other contaminants. San Joaquin County Environmental Health can provide guidance on recommended testing. California does not regulate private well water quality, so testing is the homeowner's responsibility.

Nearby Counties

Stanislaus County

Central Valley

Alameda County

Bay Area

Contra Costa County

Bay Area

Sacramento County

Sacramento Valley

Calaveras County

Sierra Nevada