Bonita Long Canyon
Bonita Long Canyon is an earth dam located in San Diego County, California, built in 1986. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Bonita Long Canyon
The primary purpose of Bonita Long Canyon 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 City Of Chula Vista (local government). It impounds the Tr Sweetwater Rv.
The dam stands 29 feet tall and stretches 400 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 49 acre-feet. Completed in 1986, the structure is 40 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 11/05/2024.
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Location
| State | California |
| County | San Diego |
| River/Stream | Tr Sweetwater Rv |
| Coordinates | 32.65570, -117.00560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 400 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 49 acre-ft |
| Max Storage | 49 acre-ft |
| Surface Area | 3 acres |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Chula Vista |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/05/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01201 |
| Federal ID | CA01201 |
| More Info | State Dam Safety Program |