Dd No 255 is an earth dam located in Morris County, Kansas, built in 2011. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 1,350 ft long, taller than 72% 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 Dd No 255
The primary purpose of Dd No 255 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Rock Creek Wjd No 84 (local government). It impounds the Rock Creek-tr.
The dam stands 31 feet tall and stretches 1,350 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 582 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2011, the structure is relatively new.
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 07/26/2011. That was over 15 years ago.
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Location
| State | Kansas |
| County | Morris |
| River/Stream | Rock Creek-tr |
| Coordinates | 38.63225, -96.38166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,350 ft |
| Year Completed | 2011 (15 years old) |
Storage & Hydraulics
| NID Storage | 582 acre-ft |
| Max Storage | 582 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Rock Creek Wjd No 84 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/26/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09362 |
| Federal ID | KS09362 |
| More Info | State Dam Safety Program |