Byrn Dam is an earth dam located in Schuyler County, Missouri, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 365 ft long, taller than 68% 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 Byrn Dam
The primary purpose of Byrn 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 Walter Byrn (private). It impounds the Brushy Creek near Wilmathsvill.
The dam stands 30 feet tall and stretches 365 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 24 acre-feet, and collects water from a drainage area of 147 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 | Schuyler |
| Nearest City | Wilmathsvill |
| River/Stream | Brushy Creek |
| Coordinates | 40.37035, -92.43558 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 365 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 147 sq mi |
| Max Discharge | 3 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Walter Byrn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50192 |
| Federal ID | MO50192 |
| More Info | State Dam Safety Program |