Yellow Water Main Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Petroleum |
| Nearest City | MOSBY |
| River/Stream | YELLOW WATER CREEK |
| Coordinates | 46.90230, -108.47120 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 1,695 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 6,695 acre-ft |
| Max Storage | 6,695 acre-ft |
| Normal Storage | 3,835 acre-ft |
| Surface Area | 490 acres |
| Drainage Area | 55 sq mi |
| Max Discharge | 3,900 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | STATE WATER PROJECTS |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/25/2023 |
| Emergency Action Plan | Yes |