Elm Creek 21-b
Elm Creek 21-b is an earth dam located in Webster County, Nebraska, built in 1995. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Elm Creek 21-b
Elm Creek 21-b is a dam in Webster, Nebraska. The dam is owned by Lower Republican Natural Resources District (local government). It impounds the Tr-elm Creek near Guide Rock.
The dam stands 26 feet tall and stretches 470 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 244 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1995, the structure is 31 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/23/2021.
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Location
| State | Nebraska |
| County | Webster |
| Nearest City | Guide Rock |
| River/Stream | Tr-elm Creek |
| Coordinates | 40.12087, -98.45087 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 22 ft |
| Dam Length | 470 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 244 acre-ft |
| Max Storage | 244 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 894 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Lower Republican Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/23/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02412 |
| Federal ID | NE02412 |
| More Info | State Dam Safety Program |