East Locust Creek Watershed Dam E- 21 is an earth dam located in Sullivan County, Missouri, built in 1990. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 450 ft long, taller than 65% 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 East Locust Creek Watershed Dam E- 21
The primary purpose of East Locust Creek Watershed Dam E- 21 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by East Locust Ck Wrsd Sub-dist (local government). It impounds the Tr-east Locust Creek near Boynton.
The dam stands 29 feet tall and stretches 450 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 161 acre-feet, and collects water from a drainage area of 195 square miles. Completed in 1990, the structure is 36 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. The most recent inspection on record was 05/17/1991. That was over 35 years ago.
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Location
| State | Missouri |
| County | Sullivan |
| Nearest City | Boynton |
| River/Stream | Tr-east Locust Creek |
| Coordinates | 40.32240, -93.08284 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 450 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 161 acre-ft |
| Max Storage | 161 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 195 sq mi |
| Max Discharge | 310 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | East Locust Ck Wrsd Sub-dist |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/17/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50520 |
| Federal ID | MO50520 |
| More Info | State Dam Safety Program |