Montezuma
Montezuma is an earth dam located in Solano County, California, built in 2003. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Montezuma
The primary purpose of Montezuma is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Montezuma Wetlands, Llc (private).
The dam stands 14 feet tall and stretches 5,150 feet across, creates a reservoir covering 22 acres, and has a maximum storage capacity of 225 acre-feet. Completed in 2003, the structure is relatively new.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/16/2025.
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Location
| State | California |
| County | Solano |
| Coordinates | 38.07380, -121.85650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 5,150 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 225 acre-ft |
| Max Storage | 225 acre-ft |
| Surface Area | 22 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Montezuma Wetlands, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/16/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01466 |
| Federal ID | CA01466 |
| More Info | State Dam Safety Program |