Beardsley Afterbay
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | California |
| County | Tuolumne |
| Nearest City | Sonora |
| River/Stream | Middle Fork Stanislaus River |
| Coordinates | 38.19615, -120.09026 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 240 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 355 acre-ft |
| Max Storage | 355 acre-ft |
| Normal Storage | 320 acre-ft |
| Surface Area | 26 acres |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | South San Joaquin Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/25/2023 |
| Emergency Action Plan | Not Required |