Lost Cr Pilot Watershed Dam E-1 is an earth dam located in Lincoln County, Missouri, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 380 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 Lost Cr Pilot Watershed Dam E-1
The primary purpose of Lost Cr Pilot Watershed Dam E-1 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 Daniel Horgan (private). It impounds the Tr-lost Creek near Elsberry.
The dam stands 32 feet tall and stretches 380 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1959, 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. The most recent inspection on record was 04/22/1980. That was over 46 years ago.
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Location
| State | Missouri |
| County | Lincoln |
| Nearest City | Elsberry |
| River/Stream | Tr-lost Creek |
| Coordinates | 39.11047, -90.83876 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 30 ft |
| Dam Length | 380 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 1,700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Daniel Horgan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/22/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10213 |
| Federal ID | MO10213 |
| More Info | State Dam Safety Program |