Frd No 21
Frd No 21 is an earth dam located in Marshall County, Kansas, built in 1971. It carries a Low hazard potential classification.
About Frd No 21
The primary purpose of Frd No 21 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 Upper Black Vermillion Wjd No 37 (local government). It impounds the Ackerman Creek-tr near Frankfort.
The dam stands 29 feet tall and stretches 645 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 136 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 | Marshall |
| Nearest City | Frankfort |
| River/Stream | Ackerman Creek-tr |
| Coordinates | 39.78256, -96.34196 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 645 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | UPPER BLACK VERMILLION WJD NO 37 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS02368 |
| Federal ID | KS02368 |
| More Info | State Dam Safety Program |