Copper Basin
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Bernardino |
| Nearest City | Parker Strip |
| River/Stream | Copper Basin |
| Coordinates | 34.27900, -114.22270 |
Physical Characteristics
| Dam Type | Arch |
| NID Height | 184 ft |
| Dam Height | 184 ft |
| Dam Length | 265 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 22,000 acre-ft |
| Max Storage | 22,000 acre-ft |
| Surface Area | 427 acres |
| Drainage Area | 8 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Metropolitan Water District Of Southern California |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/09/2025 |
| Emergency Action Plan | Yes |