Mandernach & Carlson No. 9
Mandernach & Carlson No. 9 is an earth dam located in Ziebach County, South Dakota, built in 1949. It carries a Low hazard potential classification.
About Mandernach & Carlson No. 9
The primary purpose of Mandernach & Carlson No. 9 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 Mandernach & Carlson (private). It impounds the Tr Cheyenne.
The dam stands 23 feet tall and stretches 475 feet across, and has a maximum storage capacity of 189 acre-feet. Completed in 1949, the structure is well-established, with more than 75 years of service.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Ziebach |
| Nearest City | None |
| River/Stream | Tr Cheyenne |
| Coordinates | 44.99853, -101.86332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 475 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 189 acre-ft |
| Max Storage | 189 acre-ft |
| Normal Storage | 65 acre-ft |
| Max Discharge | 1,220 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MANDERNACH & CARLSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02100 |
| Federal ID | SD02100 |
| More Info | State Dam Safety Program |