Phoenix Lake
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Marin |
| Nearest City | Ross |
| River/Stream | Ross Creek |
| Coordinates | 37.95530, -122.57520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 90 ft |
| Dam Height | 90 ft |
| Dam Length | 320 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 420 acre-ft |
| Max Storage | 420 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Marin Municipal Water District |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/18/2025 |
| Emergency Action Plan | Yes |