Flower Creek Dam
Flower Creek Dam is a concrete dam located in Lincoln County, Montana, built in 2016. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Flower Creek Dam
The primary purpose of Flower Creek Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Libby (local government). It impounds the Flower Creek near Libby.
The dam stands 59 feet tall and stretches 118 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 285 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 2016, the structure is relatively new.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/10/2021.
At 59 feet, this dam is taller than 95% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Montana dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Lincoln |
| Nearest City | Libby |
| River/Stream | Flower Creek |
| Coordinates | 48.34481, -115.58023 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 59 ft |
| Dam Height | 59 ft |
| Dam Length | 118 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 285 acre-ft |
| Max Storage | 285 acre-ft |
| Normal Storage | 221 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 1,790 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF LIBBY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/10/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MT01458 |
| Federal ID | MT01458 |
| More Info | State Dam Safety Program |