Percolation Area
Percolation Area is an earth dam located in San Benito County, California, built in 1951. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Percolation Area
The primary purpose of Percolation Area 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 Las Aguilas Corporation (private). It impounds the Tr Los Muertos Cr.
The dam stands 12 feet tall and stretches 5,000 feet across, creates a reservoir covering 102 acres, has a maximum storage capacity of 430 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, 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 01/22/2025.
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Location
| State | California |
| County | San Benito |
| River/Stream | Tr Los Muertos Cr |
| Coordinates | 36.83570, -121.19620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 5,000 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 430 acre-ft |
| Max Storage | 430 acre-ft |
| Surface Area | 102 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Las Aguilas Corporation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/22/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00696 |
| Federal ID | CA00696 |
| More Info | State Dam Safety Program |