Rialto, California Drillers and Service Providers

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Welcome to your reliable source for water well drillers, groundwater, and drought information in rialto, California. Whether you're installing a new well, need repairs, or routine maintenance, find experts here.

Interactive Water Well Map – Estimate your new well's depth

Visit the Rialto Water Well Map to view the water, irrigation, and geothermal wells.

Water Well Professionals in Rialto, California – Water Well Drilling, Service, and Treatment

Great West Drilling Inc
9431 Resenda Ave
Best Drilling and Pump, Inc.
1640 Pellisier Rd
Legend Pump & Well Service, Inc.
1324 W Rialto Ave
Yellow Jacket Drilling Services
9460 Lucas Ranch Rd
Rivera Water Pump & Well Services
4766 Valley Forge Dr
Berchtold Water Well & Pump
2762 St Lawrence St
Independent Well Drilling
11675 Tujunga Rd
Daugherty Pump & Drilling
4281 El Mirage Rd
Taylor Pump And Well Company
31032 Sherwood St
Solomon Well Drill & Pump Services
33882 Old Woman Springs Rd

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Water Well Terminology

Catchment AreaThe area from which rainfall flows into a river, lake, or reservoir.

Learn about more terms in the glossary.

Rialto Statistics

Geology
AquifierCalifornia Coastal Basin aquifers
Rock FormationUnconsolidated sand and gravel aquifers
Well Information*
Well Depth546 (ft)
SWL249 (ft)
Bedrock Depth-- (ft)
Yield2127 (gpm)
* Average within 5km
Drought Monitor
October 21, 2025D2 
October 14, 2025D2 
October 7, 2025D2 
September 30, 2025D2 
September 23, 2025D2 
September 16, 2025D2 
September 9, 2025D2 
September 2, 2025D2