Frd No 77 is an earth dam located in Marshall County, Kansas, built in 1997. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 700 ft long. 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 77
The primary purpose of Frd No 77 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 Black Vermillion Wjd No 37 (local government). It impounds the No Fork Black Vermillion Rv-tr near Vermillion.
The dam stands 23 feet tall and stretches 700 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 338 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 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 | Vermillion |
| River/Stream | No Fork Black Vermillion Rv-tr |
| Coordinates | 39.78525, -96.27396 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 700 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 338 acre-ft |
| Max Storage | 338 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,274 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| 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 | KS07770 |
| Federal ID | KS07770 |
| More Info | State Dam Safety Program |