Little Juniper
Little Juniper is an earth dam located in Modoc County, California, built in 1926. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Little Juniper
Little Juniper is a dam in Modoc, California. The dam is owned by Alturas Ranches, Llc (private). It impounds the L Juniper Crk.
The dam stands 22 feet tall and stretches 1,530 feet across, creates a reservoir covering 160 acres, has a maximum storage capacity of 1,370 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1926, the structure is well-established, with more than 75 years of service.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/23/2025.
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Location
| State | California |
| County | Modoc |
| River/Stream | L Juniper Crk |
| Coordinates | 41.34220, -120.48480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,530 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 1,370 acre-ft |
| Max Storage | 1,370 acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 9 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Alturas Ranches, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/23/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00471 |
| Federal ID | CA00471 |
| More Info | State Dam Safety Program |