Plunket Lake
Plunket Lake is an earth dam located in Broadwater County, Montana, built in 1920. It carries a Low hazard potential classification.
About Plunket Lake
The primary purpose of Plunket Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Boyd Cazier (private). It impounds the Warm Springs Creek near Townsend.
The dam stands 20 feet tall and stretches 300 feet across, and has a maximum storage capacity of 79 acre-feet. Completed in 1920, the structure is over a century 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 | Townsend |
| River/Stream | Warm Springs Creek |
| Coordinates | 46.07901, -111.57913 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 79 acre-ft |
| Max Storage | 79 acre-ft |
| Normal Storage | 79 acre-ft |
| Max Discharge | 170 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BOYD CAZIER |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00199 |
| Federal ID | MT00199 |
| More Info | State Dam Safety Program |