St Helena, California Drillers and Service Providers

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Locate expert water well drillers, groundwater, and drought information in st helena, California. Whether you're installing, repairing, or maintaining a well, trust our listings for professionals.

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Water Well Professionals in St Helena, California – Water Well Drilling, Service, and Treatment

Les Petersen Drilling & Pump Inc.
5434 Old Redwood
Larbre Well Drilling & Pumps Inc
18715 Arnold Dr
Pulliam Well Drilling
2877 Piedmont Ave
McLean & Williams Inc
878 El Centro Ave
Huckfeldt Well Drilling
994 Kaiser Rd
Water Well Drilling & Pump Services
20 Enterprise Ct
Koenig drilling Water Well
102 Veronda Ave
Jerry & Don's Yager Pump-Well
1290 Bodega Ave
Forster Pump & Engineering, Inc.
424 Payran St
Sonoma County Pump & Well
8352 Blackney Rd
Cal Tech Pump Well & Water Treatment
Weeks Drilling & Pump Co.
Pollack & Sons Pump since 1979
Fisch Bros. Drilling Inc
5001 Gravenstein Hwy N
Jack Sissel Pump & Well Service
4937 Gravenstein Hwy N
Luciani Pump Co. Inc.

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Water Well Terminology

BoreholeA narrow, deep hole drilled into the ground to access groundwater.

Learn about more terms in the glossary.

St Helena Statistics

Geology
AquifierCalifornia Coastal Basin aquifers
Rock FormationUnconsolidated sand and gravel aquifers
Well Information*
Well Depth371 (ft)
SWL64 (ft)
Bedrock Depth-- (ft)
Yield68 (gpm)
* Average within 5km
Drought Monitor
December 10, 2024N 
December 3, 2024N 
November 26, 2024N 
November 19, 2024D0 
November 12, 2024D0 
November 5, 2024D0 
October 29, 2024D0 
October 22, 2024D0