Urbach Dam 1 (lower) is an earth dam located in Lancaster County, Nebraska, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 410 ft long, taller than 50% 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 Urbach Dam 1 (lower)
Urbach Dam 1 (lower) is a dam in Lancaster, Nebraska. The dam is owned by Mark & Susan Urbach (private). It impounds the Tr-spring Creek near Denton.
The dam stands 25 feet tall and stretches 410 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 61 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1991, the structure is 35 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 04/29/2021.
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Location
| State | Nebraska |
| County | Lancaster |
| Nearest City | Denton |
| River/Stream | Tr-spring Creek |
| Coordinates | 40.70379, -96.83339 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 410 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 250 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Mark & Susan Urbach |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/29/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02576 |
| Federal ID | NE02576 |
| More Info | State Dam Safety Program |