Hamilton
Hamilton is an earth dam located in Glenn County, California, built in 1967. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Hamilton
The primary purpose of Hamilton 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 Leon Whitney (private). It impounds the Tr Watson Creek.
The dam stands 28 feet tall and stretches 742 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 111 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
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 06/26/2025.
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Location
| State | California |
| County | Glenn |
| River/Stream | Tr Watson Creek |
| Coordinates | 39.69490, -122.56270 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 742 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 111 acre-ft |
| Max Storage | 111 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Leon Whitney |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/26/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00558 |
| Federal ID | CA00558 |
| More Info | State Dam Safety Program |