Whan Farms Dam is an earth dam located in Lewis County, Missouri, built in 2004. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 400 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 Whan Farms Dam
The primary purpose of Whan Farms Dam 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 Whan Farms (private). It impounds the Tr-middle Fabius near Monticello.
The dam stands 32 feet tall and stretches 400 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 71 acre-feet, and collects water from a drainage area of 390 square miles. Completed in 2004, the structure is relatively new.
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. The most recent inspection on record was 11/01/2004. That was over 21 years ago.
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Location
| State | Missouri |
| County | Lewis |
| Nearest City | Monticello |
| River/Stream | Tr-middle Fabius |
| Coordinates | 40.17661, -91.90891 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 28 ft |
| Dam Length | 400 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Max Storage | 71 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 390 sq mi |
| Max Discharge | 32 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Whan Farms |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/01/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51263 |
| Federal ID | MO51263 |
| More Info | State Dam Safety Program |