is a dam located in Graham County, Kansas, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 385 ft long. 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
is a dam in Graham, Kansas. The dam is owned by Riggs, Ralph (private). It impounds the Jackson Branch-tr near Hill City.
The dam stands 20 feet tall and stretches 385 feet across, and has a maximum storage capacity of 63 acre-feet. Completed in 1956, 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 | Kansas |
| County | Graham |
| Nearest City | Hill City |
| River/Stream | Jackson Branch-tr |
| Coordinates | 39.30219, -99.94471 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 385 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 49 acre-ft |
| Max Discharge | 400 cfs |
Ownership & Safety
| Owner | Riggs, Ralph |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS03431 |
| Federal ID | KS03431 |
| More Info | State Dam Safety Program |