Chicago Lake is an earth dam located in Liberty County, Montana, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 120 ft long. 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 Chicago Lake
The primary purpose of Chicago Lake is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Breed Creek Ranch (private). It impounds the Diffused Surface Water near Galata.
The dam stands 15 feet tall and stretches 120 feet across, and has a maximum storage capacity of 242 acre-feet. Completed in 1968, 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 | Liberty |
| Nearest City | Galata |
| River/Stream | Diffused Surface Water |
| Coordinates | 48.86660, -111.26140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 120 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 242 acre-ft |
| Max Storage | 242 acre-ft |
| Normal Storage | 83 acre-ft |
| Max Discharge | 220 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Breed Creek Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03466 |
| Federal ID | MT03466 |
| More Info | State Dam Safety Program |