Upper Pond is an earth dam located in San Mateo County, California. It carries a Significant hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 240 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Upper Pond
Upper Pond is a dam in San Mateo, California. The dam is owned by Evans Brothers Inc. (private).
The dam stands 30 feet tall and stretches 240 feet across, and has a maximum storage capacity of 5 acre-feet.
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.
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Location
| State | California |
| County | San Mateo |
| Nearest City | Brisbane |
| Coordinates | 37.68556, -122.42083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 240 ft |
Storage & Hydraulics
| NID Storage | 5 acre-ft |
| Max Storage | 5 acre-ft |
Ownership & Safety
| Purpose | Other |
| Owner | Evans Brothers Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01584 |
| Federal ID | CA01584 |
| More Info | State Dam Safety Program |