Willow Creek Watershed Dam A- 23
Willow Creek Watershed Dam A- 23 is an earth dam located in Ray County, Missouri, built in 1970. It carries a Low hazard potential classification.
About Willow Creek Watershed Dam A- 23
The primary purpose of Willow Creek Watershed Dam A- 23 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 Willow Creek Wrsd Subdis (local government). It impounds the Tr-willow Creek near Henrietta.
The dam stands 34 feet tall and stretches 625 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 138 acre-feet, and collects water from a drainage area of 231 square miles. Completed in 1970, the structure is well into its service life at over 50 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.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Ray |
| Nearest City | Henrietta |
| River/Stream | Tr-willow Creek |
| Coordinates | 39.25706, -94.01648 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 32 ft |
| Dam Length | 625 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 138 acre-ft |
| Max Storage | 138 acre-ft |
| Normal Storage | 82 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 231 sq mi |
| Max Discharge | 210 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | WILLOW CREEK WRSD SUBDIS |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50434 |
| Federal ID | MO50434 |
| More Info | State Dam Safety Program |