Castro Valley, California Water Well Drillers and Service Providers
Find the best water well drillers, groundwater, and drought information in castro valley, California. Whether you need a new well, repairs, or regular upkeep, connect with trusted experts in our listings.
Interactive Water Well Map – Estimate your new well's depth
Visit the Castro Valley Water Well Map to view the water, irrigation, and geothermal wells.
Water Well Professionals in Castro Valley, California – Water Well Drilling, Service, and Treatment
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Water Well Terminology
Screen Slot Size –The size of the openings in a well screen, determining what size particles are filtered out.
Learn about more terms in the glossary.
Castro Valley Statistics
| Geology | |
|---|---|
| Aquifier | Other rocks |
| Rock Formation | Unknown |
| Well Information* | |
|---|---|
| Well Depth | 67 (ft) |
| SWL | 37 (ft) |
| Bedrock Depth | -- (ft) |
| Yield | 33 (gpm) |
| * Average within 5km | |
| Drought Monitor | |
|---|---|
| October 21, 2025 | N |
| October 14, 2025 | N |
| October 7, 2025 | N |
| September 30, 2025 | N |
| September 23, 2025 | N |
| September 16, 2025 | N |
| September 9, 2025 | N |
| September 2, 2025 | N |
Source: US Drought MonitorAdd to Website | |
