South Meadow Creek Dam
South Meadow Creek Dam is an earth dam located in Madison County, Montana, built in 1968. It carries a High hazard potential classification.
About South Meadow Creek Dam
The primary purpose of South Meadow Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by South Meadow Creek Dam Inc (private). It impounds the Meadow Creek S near Mcallister.
The dam stands 22 feet tall and stretches 345 feet across, creates a reservoir covering 77 acres, has a maximum storage capacity of 1,130 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
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. Notably, no emergency action plan is currently on file for this high-hazard dam.
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 | Madison |
| Nearest City | Mcallister |
| River/Stream | Meadow Creek S |
| Coordinates | 45.45542, -111.92157 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 345 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 1,130 acre-ft |
| Max Storage | 1,130 acre-ft |
| Normal Storage | 625 acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,160 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | South Meadow Creek Dam Inc |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Emergency Action Plan | No |
Identifiers
| NID ID | MT00527 |
| Federal ID | MT00527 |
| More Info | State Dam Safety Program |