Durgens Creek Watershed Dam 1a is an earth dam located in Lewis County, Missouri, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 700 ft long. 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 Durgens Creek Watershed Dam 1a
The primary purpose of Durgens Creek Watershed Dam 1a 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 Durgens Cr Wrsd Subdistr (local government). It impounds the Tr-durgens Creek near Hannibal.
The dam stands 24 feet tall and stretches 700 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 945 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1969, 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 | Lewis |
| Nearest City | Hannibal |
| River/Stream | Tr-durgens Creek |
| Coordinates | 40.08683, -91.60003 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 23 ft |
| Dam Length | 700 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 945 acre-ft |
| Max Storage | 945 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 2,020 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Durgens Cr Wrsd Subdistr |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10187 |
| Federal ID | MO10187 |
| More Info | State Dam Safety Program |