Durgens Creek Watershed Dam 1b is an earth dam located in Lewis County, Missouri, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 600 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 1b
The primary purpose of Durgens Creek Watershed Dam 1b 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 23 feet tall and stretches 600 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 315 acre-feet, and collects water from a drainage area of 19 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 | 40.08690, -91.60989 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 22 ft |
| Dam Length | 600 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 315 acre-ft |
| Max Storage | 315 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 460 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 | MO10115 |
| Federal ID | MO10115 |
| More Info | State Dam Safety Program |