Mill Valley, California Water Well Drillers and Service Providers
Find reliable water well drillers, groundwater, and drought information in mill valley, California. For new well installations, repairs, or routine upkeep, explore our listings for trusted professionals.
Interactive Water Well Map – Estimate your new well's depth
Visit the Mill Valley Water Well Map to view the water, irrigation, and geothermal wells.
Water Well Professionals in Mill Valley, California – Water Well Drilling, Service, and Treatment
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Water Well Terminology
Hydraulic Gradient –The slope of the water table or potentiometric surface, driving groundwater flow.
Learn about more terms in the glossary.
Mill Valley Statistics
| Geology | |
|---|---|
| Aquifier | Other rocks |
| Rock Formation | Unknown |
| Well Information* | |
|---|---|
| Well Depth | 104 (ft) |
| SWL | 36 (ft) |
| Bedrock Depth | -- (ft) |
| Yield | 16 (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 | |
