Carthage is an earth dam located in Miner County, South Dakota, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 1,150 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 Carthage
The primary purpose of Carthage is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Gf&p (state). It impounds the Redstone Creek near Carthage.
The dam stands 26 feet tall and stretches 1,150 feet across, creates a reservoir covering 165 acres, has a maximum storage capacity of 7,000 acre-feet, and collects water from a drainage area of 160 square miles. Completed in 1964, 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. The most recent inspection on record was 11/06/2019.
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Location
| State | South Dakota |
| County | Miner |
| Nearest City | Carthage |
| River/Stream | Redstone Creek |
| Coordinates | 44.17414, -97.71029 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 24 ft |
| Dam Length | 1,150 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 7,000 acre-ft |
| Max Storage | 7,000 acre-ft |
| Normal Storage | 1,650 acre-ft |
| Surface Area | 165 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 3,410 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Gf&p |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/06/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00033 |
| Federal ID | SD00033 |
| More Info | State Dam Safety Program |