Patterson
Significant HazardFair ConditionEmergency Action Plan: Yes
Location
| County | Alameda |
| River/Stream | Offstream |
| Coordinates | 37.54170, -122.08470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 100 ft |
| Dam Height | 100 ft |
| Dam Length | 1,306 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Surface Area | 2 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Alameda County Water District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/29/2024 |
| Emergency Action Plan | Yes |