Iverson Number 1 is an earth dam located in Jones County, South Dakota, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 453 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 Iverson Number 1
The primary purpose of Iverson Number 1 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 Wayne Iverson (private). It impounds the Tr-badriver.
The dam stands 26 feet tall and stretches 453 feet across, and has a maximum storage capacity of 49 acre-feet. Completed in 1958, 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 | South Dakota |
| County | Jones |
| Nearest City | None |
| River/Stream | Tr-badriver |
| Coordinates | 43.95833, -100.80666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 453 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 49 acre-ft |
| Max Storage | 49 acre-ft |
| Normal Storage | 31 acre-ft |
| Max Discharge | 882 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Wayne Iverson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01018 |
| Federal ID | SD01018 |
| More Info | State Dam Safety Program |