Carr John Jr. No. 1 is an earth dam located in Mellette County, South Dakota, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 390 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 Carr John Jr. No. 1
The primary purpose of Carr John Jr. No. 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 John E. Carr Jr. (private). It impounds the Trib. Pine Creek.
The dam stands 26 feet tall and stretches 390 feet across, and has a maximum storage capacity of 37 acre-feet. Completed in 1961, 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 | Mellette |
| Nearest City | None |
| River/Stream | Trib. Pine Creek |
| Coordinates | 43.55166, -100.99499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 390 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 37 acre-ft |
| Max Storage | 37 acre-ft |
| Normal Storage | 25 acre-ft |
| Max Discharge | 625 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | John E. Carr Jr. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01256 |
| Federal ID | SD01256 |
| More Info | State Dam Safety Program |