Dd No 203
Dd No 203 is an earth dam located in Lyon County, Kansas, built in 1988. It carries a Low hazard potential classification.
About Dd No 203
The primary purpose of Dd No 203 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 35 feet tall and stretches 1,030 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1988, the structure is 38 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. The most recent inspection on record was 02/09/2006. That was over 20 years ago.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Kansas |
| County | Lyon |
| Nearest City | Dunlap |
| River/Stream | Bluff Creek-tr |
| Coordinates | 38.65486, -96.28538 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 1,030 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 14 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 |
| Last Inspection | 02/09/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS07370 |
| Federal ID | KS07370 |
| More Info | State Dam Safety Program |