Farnan is an earth dam located in Nodaway County, Missouri, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 500 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 Farnan
The primary purpose of Farnan is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Ronnie Farnan (private). It impounds the Tr-platte River near Ravenwood.
The dam stands 32 feet tall and stretches 500 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 121 acre-feet, and collects water from a drainage area of 332 square miles. Completed in 1995, the structure is 31 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 | Missouri |
| County | Nodaway |
| Nearest City | Ravenwood |
| River/Stream | Tr-platte River |
| Coordinates | 40.38860, -94.70520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 500 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 121 acre-ft |
| Max Storage | 121 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 332 sq mi |
| Max Discharge | 705 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Ronnie Farnan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50479 |
| Federal ID | MO50479 |
| More Info | State Dam Safety Program |