Potter Irrigation (broadwater)
Potter Irrigation (broadwater) is an earth dam located in Broadwater County, Montana, built in 1953. It carries a Low hazard potential classification.
About Potter Irrigation (broadwater)
The primary purpose of Potter Irrigation (broadwater) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by M.o. Potter (private). It impounds the Spokane Creek near No Town.
The dam stands 28 feet tall and stretches 690 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 95 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1953, the structure is well into its service life at over 50 years old.
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 | Broadwater |
| Nearest City | No Town |
| River/Stream | Spokane Creek |
| Coordinates | 46.55740, -111.74631 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 690 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 1,360 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | M.O. POTTER |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00200 |
| Federal ID | MT00200 |
| More Info | State Dam Safety Program |