Venn #8 is an earth dam located in Custer County, Montana, built in 1970. It carries a Significant hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 450 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 Venn #8
The primary purpose of Venn #8 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 Charles Steadman (private). It impounds the Tr-north Fork Sunday Creek near Kinsey.
The dam stands 17 feet tall and stretches 450 feet across, and has a maximum storage capacity of 329 acre-feet. Completed in 1970, 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 | Custer |
| Nearest City | Kinsey |
| River/Stream | Tr-north Fork Sunday Creek |
| Coordinates | 46.56430, -106.00140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 450 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 329 acre-ft |
| Max Storage | 329 acre-ft |
| Normal Storage | 150 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Charles Steadman |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01608 |
| Federal ID | MT01608 |
| More Info | State Dam Safety Program |