Small Arms Range Lake Dam is a rockfill dam located in Yuba County, California, built in 1962. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 525 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Small Arms Range Lake Dam
The primary purpose of Small Arms Range Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Usaf Acc (federal). It impounds the Tr-hutchinson Creek near Beale Afb.
The dam stands 12 feet tall and stretches 525 feet across, and has a maximum storage capacity of 31 acre-feet. Completed in 1962, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 07/21/2022.
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Location
| State | California |
| County | Yuba |
| Nearest City | Beale Afb |
| River/Stream | Tr-hutchinson Creek |
| Coordinates | 39.11494, -121.37597 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 525 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 31 acre-ft |
| Max Storage | 31 acre-ft |
| Normal Storage | 20 acre-ft |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Usaf Acc |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/21/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA10419 |
| Federal ID | CA10419 |
| More Info | State Dam Safety Program |