Don Pedro Dike A
Don Pedro Dike A is an earth dam located in Tuolumne County, California, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Don Pedro Dike A
The primary purpose of Don Pedro Dike A is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Turlock Irrigation District (public utility). It impounds the Tuolumne River near La Grange.
The dam stands 25 feet tall and stretches 1,750 feet across, creates a reservoir covering 13,000 acres, and has a maximum storage capacity of 2,300,000 acre-feet. Completed in 1971, the structure is well into its service life at over 50 years 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 07/06/2023.
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Location
| State | California |
| County | Tuolumne |
| Nearest City | La Grange |
| River/Stream | Tuolumne River |
| Coordinates | 37.70050, -120.42680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,750 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 2,300,000 acre-ft |
| Max Storage | 2,300,000 acre-ft |
| Normal Storage | 2,030,000 acre-ft |
| Surface Area | 13,000 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Turlock Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/06/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00281 |
| Federal ID | CA00281S001 |
| More Info | State Dam Safety Program |