Grass Valley
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Bernardino |
| River/Stream | Grass Valley Cr |
| Coordinates | 34.26340, -117.21740 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 170 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 243 acre-ft |
| Max Storage | 243 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Arrowhead Lake Association |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2025 |
| Emergency Action Plan | Yes |