Springdale Colony is an earth dam located in Meagher County, Montana, built in 1941. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 800 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Springdale Colony
The primary purpose of Springdale Colony is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Springdale Colony Inc (private). It impounds the Tr-cooks Creek near Great Falls.
The dam stands 30 feet tall and stretches 800 feet across, has a maximum storage capacity of 242 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1941, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Montana |
| County | Meagher |
| Nearest City | Great Falls |
| River/Stream | Tr-cooks Creek |
| Coordinates | 46.49060, -111.02640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 800 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 242 acre-ft |
| Max Storage | 242 acre-ft |
| Normal Storage | 140 acre-ft |
| Drainage Area | 9 sq mi |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Springdale Colony Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00052 |
| Federal ID | MT00052 |
| More Info | State Dam Safety Program |