Dd No 204 is an earth dam located in Lyon County, Kansas. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 775 ft long, taller than 62% 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 204
The primary purpose of Dd No 204 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 Bluff Creek-tr near Dunlap.
The dam stands 28 feet tall and stretches 775 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 183 acre-feet, and collects water from a drainage area of 0 square miles.
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 04/30/2005. That was over 21 years ago.
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Location
| State | Kansas |
| County | Lyon |
| Nearest City | Dunlap |
| River/Stream | Bluff Creek-tr |
| Coordinates | 38.68197, -96.32148 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 25 ft |
| Dam Length | 775 ft |
Storage & Hydraulics
| NID Storage | 183 acre-ft |
| Max Storage | 183 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,848 cfs |
| 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 | 04/30/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS04464 |
| Federal ID | KS04464 |
| More Info | State Dam Safety Program |