Steinreisser #10
Steinreisser #10 is an earth dam located in Richland County, Montana, built in 1955. It carries a Significant hazard potential classification.
About Steinreisser #10
The primary purpose of Steinreisser #10 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 Ralph Steffen (private). It impounds the Tr-first Hay Creek.
The dam stands 20 feet tall and stretches 700 feet across, has a maximum storage capacity of 155 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1955, the structure is well into its service life at over 50 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.
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Location
| State | Montana |
| County | Richland |
| Nearest City | None |
| River/Stream | Tr-first Hay Creek |
| Coordinates | 47.78400, -104.17430 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 700 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 79 acre-ft |
| Drainage Area | 6 sq mi |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | RALPH STEFFEN |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02465 |
| Federal ID | MT02465 |
| More Info | State Dam Safety Program |