Round Valley
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Lassen |
| River/Stream | Round Val Cr |
| Coordinates | 40.51540, -120.66060 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 220 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 5,500 acre-ft |
| Max Storage | 5,500 acre-ft |
| Surface Area | 420 acres |
| Drainage Area | 10 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Jack and Thomas Swickard |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/22/2025 |
| Emergency Action Plan | Yes |