Siebrass Dam
Siebrass Dam is an earth dam located in Webster County, Nebraska, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
About Siebrass Dam
The primary purpose of Siebrass Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Harlan & Mildred Siebrass Joint Revocable Trust (private). It impounds the Tr-elm Creek near Cowles.
The dam stands 17 feet tall and stretches 350 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 78 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/19/2021.
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Location
| State | Nebraska |
| County | Webster |
| Nearest City | Cowles |
| River/Stream | Tr-elm Creek |
| Coordinates | 40.27483, -98.46801 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 350 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 305 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harlan & Mildred Siebrass Joint Revocable Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/19/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00690 |
| Federal ID | NE00690 |
| More Info | State Dam Safety Program |