Frd No 73 is an earth dam located in Marshall County, Kansas, built in 1980. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 900 ft long, taller than 74% 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 Frd No 73
The primary purpose of Frd No 73 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 N. Fork Black Vermillion River - Tr near Winifred.
The dam stands 32 feet tall and stretches 900 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 713 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1980, the structure is 46 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 | Winifred |
| River/Stream | N. Fork Black Vermillion River - Tr |
| Coordinates | 39.75853, -96.30077 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 900 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 713 acre-ft |
| Max Storage | 713 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,170 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Upper Black Vermillion Wjd No 37 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05405 |
| Federal ID | KS05405 |
| More Info | State Dam Safety Program |