Well Drillers in Siskiyou County, California

Siskiyou County in California's far north borders Oregon and encompasses Mount Shasta, the Klamath Mountains, and the Shasta Valley. Rural properties, ranches, and small towns throughout the county rely on private wells. The volcanic geology around Mount Shasta provides some of the state's best natural spring water.

Licensed Contractors

3

Avg. Well Depth

~150 ft

County Seat

Yreka

Licensed C-57 Contractors in Siskiyou County

SHASTA DRILLING INC

Active
REDDING, CA 96001
(530) 229 9120
Expires: 2027-04-30
License #895374· Verified Active C-57Services your area
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WATSON WELL INC

Active
ANDERSON, CA 96007
(707) 442 2249
Expires: 2027-08-31
License #1080147· Verified Active C-57Services your area
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WATSON WELL SERVICE WATER TREATMENT & PLUMBING

Active
ANDERSON, CA 96007
(530) 786 0966
Expires: 2026-05-31
License #947596· Verified Active C-57Services your area
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Well Drilling Permits in Siskiyou County

Siskiyou County Environmental Health issues well permits. The county has diverse terrain requiring different construction approaches. Mount Shasta area wells may have specific requirements due to volcanic soils.

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 Siskiyou County

Volcanic geology from Mount Shasta creates excellent aquifer conditions in basalt flows and volcanic sediments. The Shasta Valley has productive alluvial deposits. Western portions have Klamath Mountain rocks with more limited fractured rock aquifers.

Frequently Asked Questions About Well Drilling in Siskiyou County

Do I need a permit to drill a well in Siskiyou County?
Yes, a well permit is required before any drilling can begin in Siskiyou County. Siskiyou County Environmental Health issues well permits. The county has diverse terrain requiring different construction approaches. Mount Shasta area wells may have specific requirements due to volcanic soils. 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 Siskiyou County?
Well drilling costs in Siskiyou 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 150 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 Siskiyou County?
Wells in Siskiyou County average around 150 feet deep, though actual depth varies with location, geology, and intended use. Volcanic geology from Mount Shasta creates excellent aquifer conditions in basalt flows and volcanic sediments. The Shasta Valley has productive alluvial deposits. Western portions have Klamath Mountain rocks with more limited fractured rock aquifers.
How do I find a licensed well driller in Siskiyou County?
You can browse our directory of verified C-57 licensed well drilling contractors serving Siskiyou 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 Siskiyou County?
Water quality from private wells in Siskiyou County depends on local geology and land use. It is recommended that you test your well water annually for bacteria, nitrates, and other contaminants. Siskiyou 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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