Hearst Lake
Hearst Lake is an other dam located in Deer Lodge County, Montana, built in 1898. It carries a Low hazard potential classification.
About Hearst Lake
The primary purpose of Hearst Lake 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 Butte-silver Bow (local government). It impounds the Grays Gulch near Anaconda.
The dam stands 9 feet tall and stretches 300 feet across, and has a maximum storage capacity of 140 acre-feet. Completed in 1898, 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 | Deer Lodge |
| Nearest City | Anaconda |
| River/Stream | Grays Gulch |
| Coordinates | 46.09762, -113.07023 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 300 ft |
| Year Completed | 1898 (128 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 140 acre-ft |
Ownership & Safety
| Purpose | Water Supply |
| Owner | BUTTE-SILVER BOW |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03382 |
| Federal ID | MT03382 |
| More Info | State Dam Safety Program |