Green Springs is an earth dam located in Modoc County, California, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall and 1,000 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 Green Springs
The primary purpose of Green Springs is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Usda Fs (federal).
The dam stands 9 feet tall and stretches 1,000 feet across, has a storage capacity of 387 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1975, 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. The most recent inspection on record was 08/01/2011. That was over 15 years ago.
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Location
| State | California |
| County | Modoc |
| Coordinates | 41.85833, -120.59444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 387 acre-ft |
| Normal Storage | 387 acre-ft |
| Drainage Area | 4 sq mi |
| Max Discharge | 313 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/01/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CA10338 |
| Federal ID | CA10338 |
| More Info | State Dam Safety Program |