Matthews
Matthews is an earth dam located in San Diego County, California, built in 1967. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Matthews
The primary purpose of Matthews 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 Pete Prestininzi (private). It impounds the Tr De Luz Creek.
The dam stands 47 feet tall and stretches 297 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/01/2024.
At 47 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | California |
| County | San Diego |
| River/Stream | Tr De Luz Creek |
| Coordinates | 33.46990, -117.31240 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 297 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Pete Prestininzi |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/01/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00788 |
| Federal ID | CA00788 |
| More Info | State Dam Safety Program |