La Grange
La Grange is a masonry dam located in Stanislaus County, California, built in 1893. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About La Grange
La Grange is a dam in Stanislaus, California. The dam is owned by Turlock Irrigation District (public utility). It impounds the Tuolumne River near La Grange.
The dam stands 131 feet tall and stretches 310 feet across, creates a reservoir covering 58 acres, and has a maximum storage capacity of 500 acre-feet. Completed in 1893, the structure is over a century old.
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 07/07/2023.
At 131 feet, this dam is taller than 99% of all dams in the United States.
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Location
| State | California |
| County | Stanislaus |
| Nearest City | La Grange |
| River/Stream | Tuolumne River |
| Coordinates | 37.67220, -120.44442 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 131 ft |
| Dam Height | 131 ft |
| Dam Length | 310 ft |
| Year Completed | 1893 (133 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 350 acre-ft |
| Surface Area | 58 acres |
Ownership & Safety
| Owner | Turlock Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/07/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00278 |
| Federal ID | CA00278 |
| More Info | State Dam Safety Program |