Tornow No. 2 is an earth dam located in Jones County, South Dakota, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 312 ft long, taller than 55% 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 Tornow No. 2
The primary purpose of Tornow No. 2 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 Francis Tornow (private). It impounds the Tr-dry Creek.
The dam stands 26 feet tall and stretches 312 feet across, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1976, the structure is 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 | South Dakota |
| County | Jones |
| River/Stream | Tr-dry Creek |
| Coordinates | 43.84998, -100.81665 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 312 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 26 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,194 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Francis Tornow |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02506 |
| Federal ID | SD02506 |
| More Info | State Dam Safety Program |