John Bunker
John Bunker is an earth dam located in Lyman County, South Dakota, built in 1961. It carries a Low hazard potential classification.
About John Bunker
The primary purpose of John Bunker 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 Bunker (private). It impounds the Tr-missouri.
The dam stands 26 feet tall and stretches 240 feet across, and has a maximum storage capacity of 32 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Lyman |
| Nearest City | None |
| River/Stream | Tr-missouri |
| Coordinates | 43.86666, -99.46832 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 240 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Normal Storage | 26 acre-ft |
| Max Discharge | 313 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | JOHN BUNKER |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01151 |
| Federal ID | SD01151 |
| More Info | State Dam Safety Program |