Emergency Storage Basin
Emergency Storage Basin is an earth dam located in Sacramento County, California, built in 1977. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Emergency Storage Basin
The primary purpose of Emergency Storage Basin 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 Sacramento Regional County Sanitation District (local government). It impounds the Offstream.
The dam stands 20 feet tall and stretches 11,570 feet across, creates a reservoir covering 88 acres, has a maximum storage capacity of 1,362 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 03/18/2025.
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Location
| State | California |
| County | Sacramento |
| River/Stream | Offstream |
| Coordinates | 38.45500, -121.46450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 11,570 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 1,362 acre-ft |
| Max Storage | 1,362 acre-ft |
| Surface Area | 88 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Sacramento Regional County Sanitation District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/18/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01419 |
| Federal ID | CA01419 |
| More Info | State Dam Safety Program |