Dd No 18-b
Dd No 18-b is an earth dam located in Rice County, Kansas, built in 1994. It carries a Low hazard potential classification.
About Dd No 18-b
The primary purpose of Dd No 18-b is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Upper Little Arkansas Wjd No 95 (local government). It impounds the Little Arkansas River-tr.
The dam stands 24 feet tall and stretches 1,100 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 627 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1994, the structure is 32 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 | Rice |
| River/Stream | Little Arkansas River-tr |
| Coordinates | 38.50080, -98.09132 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 627 acre-ft |
| Max Storage | 627 acre-ft |
| Normal Storage | 131 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,719 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | UPPER LITTLE ARKANSAS WJD NO 95 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09251 |
| Federal ID | KS09251 |
| More Info | State Dam Safety Program |