Jessup Mill Pond Dam
Jessup Mill Pond Dam is an earth dam located in Flathead County, Montana, built in 1941. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Jessup Mill Pond Dam
The primary purpose of Jessup Mill Pond 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 Us Fish And Wildlife Service (federal). It impounds the Mill Creek near Creston, Mt.
The dam stands 28 feet tall and stretches 290 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 390 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1941, the structure is well-established, with more than 75 years of service.
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 10/07/2019.
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 | Flathead |
| Nearest City | Creston, Mt |
| River/Stream | Mill Creek |
| Coordinates | 48.19833, -114.11583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 27 ft |
| Dam Length | 290 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 390 acre-ft |
| Max Storage | 390 acre-ft |
| Normal Storage | 205 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,078 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/07/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MT03425 |
| Federal ID | MT03425 |
| More Info | State Dam Safety Program |