South Fork Blackwater River Dam F-21
South Fork Blackwater River Dam F-21 is an earth dam located in Johnson County, Missouri, built in 1965. It carries a Low hazard potential classification.
About South Fork Blackwater River Dam F-21
The primary purpose of South Fork Blackwater River Dam F-21 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 So.fk.bkwr.wsd.subdist (local government). It impounds the Brush Creek near Warrensburg,mo.
The dam stands 24 feet tall and stretches 590 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 112 acre-feet, and collects water from a drainage area of 380 square miles. Completed in 1965, 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.
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Location
| State | Missouri |
| County | Johnson |
| Nearest City | Warrensburg,mo |
| River/Stream | Brush Creek |
| Coordinates | 38.74028, -93.93222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 22 ft |
| Dam Length | 590 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 380 sq mi |
| Max Discharge | 190 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | SO.FK.BKWR.WSD.SUBDIST |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20075 |
| Federal ID | MO20075 |
| More Info | State Dam Safety Program |