Ontario, California Water Well Drillers and Service Providers
Welcome to your go-to resource for finding expert water well drillers, groundwater, and drought information in ontario, California. Whether you're installing a new well, seeking repairs, or need routine maintenance, explore our listings to connect with trusted experts near you.
Interactive Water Well Map – Estimate your new well's depth
Visit the Ontario Water Well Map to view the water, irrigation, and geothermal wells.
Water Well Professionals in Ontario, California – Water Well Drilling, Service, and Treatment
Yellow Jacket Drilling Services
9460 Lucas Ranch Rd
Great West Drilling Inc
9431 Resenda Ave
General Pump Company Inc.
159 N Acacia St
Rivera Water Pump & Well Services
4766 Valley Forge Dr
Berchtold Water Well & Pump
2762 St Lawrence St
Best Drilling and Pump, Inc.
1640 Pellisier Rd
Legend Pump & Well Service, Inc.
1324 W Rialto Ave
Daugherty Pump & Drilling
4281 El Mirage Rd
Independent Well Drilling
11675 Tujunga Rd
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Water Well Terminology
Water Table –The upper surface of the zone of saturation, where groundwater pressure is equal to atmospheric pressure.
Learn about more terms in the glossary.
Ontario Statistics
| Geology | |
|---|---|
| Aquifier | California Coastal Basin aquifers |
| Rock Formation | Unconsolidated sand and gravel aquifers |
| Well Information* | |
|---|---|
| Well Depth | 377 (ft) |
| SWL | 228 (ft) |
| Bedrock Depth | -- (ft) |
| Yield | 1002 (gpm) |
| * Average within 5km | |
| Drought Monitor | |
|---|---|
| October 13, 2026 | N |
| October 6, 2026 | N |
| September 29, 2026 | N |
| September 22, 2026 | N |
| September 15, 2026 | N |
| September 8, 2026 | N |
| September 1, 2026 | N |
| August 25, 2026 | N |
| Source: US Drought Monitor | |
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