Bethany Forebay
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Alameda |
| Nearest City | N/A |
| River/Stream | Tr Italian Slough |
| Coordinates | 37.78350, -121.61780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 95 ft |
| Dam Height | 95 ft |
| Dam Length | 695 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 5,000 acre-ft |
| Max Storage | 5,000 acre-ft |
| Surface Area | 163 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | California Department of Water Resources |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/17/2025 |
| Emergency Action Plan | Yes |