San Anselmo, California Water Well Drillers and Service Providers
Your resource for top water well drillers, groundwater, and drought information in san anselmo, California. Connect with experts for new wells, repairs, or routine upkeep.
Interactive Water Well Map – Estimate your new well's depth
Visit the San Anselmo Water Well Map to view the water, irrigation, and geothermal wells.
Water Well Professionals in San Anselmo, California – Water Well Drilling, Service, and Treatment
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Water Well Terminology
Pitless Adapter –A device that allows water to flow from a well to the surface without a hole in the casing above the frost line.
Learn about more terms in the glossary.
San Anselmo Statistics
| Geology | |
|---|---|
| Aquifier | Other rocks |
| Rock Formation | Unknown |
| Well Information* | |
|---|---|
| Well Depth | 121 (ft) |
| SWL | 36 (ft) |
| Bedrock Depth | -- (ft) |
| Yield | 20 (gpm) |
| * Average within 5km | |
| Drought Monitor | |
|---|---|
| April 8, 2025 | N |
| April 1, 2025 | N |
| March 25, 2025 | N |
| March 18, 2025 | N |
| March 11, 2025 | N |
| March 4, 2025 | N |
| February 25, 2025 | N |
| February 18, 2025 | N |
Source: US Drought MonitorAdd to Website | |
