Well Drillers in Colusa County, California

Colusa County is an agricultural powerhouse in the upper Sacramento Valley, where rice, almonds, and other crops depend on reliable groundwater access. Private wells are essential for both agricultural operations and rural homes throughout the county.

Licensed Contractors

5

Avg. Well Depth

~175 ft

County Seat

Colusa

Licensed C-57 Contractors in Colusa County

BIG'N & SON DRILLING INC

Active
PALERMO, CA 95968
(530) 370 3891
Expires: 2026-12-31
License #1100071· Verified Active C-57Services your area
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CLEAR HEART DRILLING INC

Active
SANTA ROSA, CA 95401
(707) 568 6095
Expires: 2026-06-30
License #780357· Verified Active C-57Services your area
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DNA WELL DRILLING LLC

Active
YUBA CITY, CA 95991
(530) 240 3731
Expires: 2027-08-31
License #1108209· Verified Active C-57Services your area
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KVILHAUG DRILLING & PUMP INC

Active
WINTERS, CA 95694
(707) 372 8588
Expires: 2027-11-30
License #482390· Verified Active C-57Services your area
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PARKS WATER RESOURCES LLC

Active
ZAMORA, CA 95698
(530) 661 9027
Expires: 2027-11-30
License #1113206· Verified Active C-57Services your area
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Well Drilling Permits in Colusa County

Colusa County Environmental Health handles well permits and inspections. Agricultural wells may have additional requirements related to water rights and sustainable groundwater management.

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 Colusa County

Underlain by thick Sacramento Valley alluvial deposits with excellent aquifer potential. Groundwater is generally accessible at moderate depths, though the county participates in the Sustainable Groundwater Management Act (SGMA) planning.

Frequently Asked Questions About Well Drilling in Colusa County

Do I need a permit to drill a well in Colusa County?
Yes, a well permit is required before any drilling can begin in Colusa County. Colusa County Environmental Health handles well permits and inspections. Agricultural wells may have additional requirements related to water rights and sustainable groundwater management. 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 Colusa County?
Well drilling costs in Colusa 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 175 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 Colusa County?
Wells in Colusa County average around 175 feet deep, though actual depth varies with location, geology, and intended use. Underlain by thick Sacramento Valley alluvial deposits with excellent aquifer potential. Groundwater is generally accessible at moderate depths, though the county participates in the Sustainable Groundwater Management Act (SGMA) planning.
How do I find a licensed well driller in Colusa County?
You can browse our directory of verified C-57 licensed well drilling contractors serving Colusa 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 Colusa County?
Water quality from private wells in Colusa County depends on local geology and land use. It is recommended that you test your well water annually for bacteria, nitrates, and other contaminants. Colusa County Environmental Health can provide guidance on recommended testing. California does not regulate private well water quality, so testing is the homeowner's responsibility.

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