White is an earth dam located in Modoc County, California, built in 1918. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About White
The primary purpose of White 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 Richard Jennings (private). It impounds the Tr Pit River.
The dam stands 16 feet tall and stretches 400 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 290 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1918, the structure is over a century 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/25/2024.
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Location
| State | California |
| County | Modoc |
| River/Stream | Tr Pit River |
| Coordinates | 41.37470, -120.78090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 400 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Richard Jennings |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/25/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CA00482 |
| Federal ID | CA00482 |
| More Info | State Dam Safety Program |