Eureka Holding Pond Dike is an earth dam located in Lincoln County, Montana, built in 1982. It carries a Significant hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 400 ft long, taller than 86% 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 Eureka Holding Pond Dike
Eureka Holding Pond Dike is a dam in Lincoln, Montana. The dam is owned by Town of Eureka (local government). It impounds the Tr-tobacco Rive near Eureka.
The dam stands 40 feet tall and stretches 400 feet across, and has a maximum storage capacity of 96 acre-feet. Completed in 1982, the structure is 44 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Montana |
| County | Lincoln |
| Nearest City | Eureka |
| River/Stream | Tr-tobacco Rive |
| Coordinates | 48.88280, -115.07280 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 400 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 96 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | Town of Eureka |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03839 |
| Federal ID | MT03839 |
| More Info | State Dam Safety Program |