Twain Harte
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Tuolumne |
| Nearest City | Sonora |
| River/Stream | unnamed creek |
| Coordinates | 38.02910, -120.24400 |
Physical Characteristics
| Dam Type | Multi-Arch |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 325 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 143 acre-ft |
| Max Storage | 143 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Twain Harte Lake Association, Inc. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/12/2024 |
| Emergency Action Plan | Yes |