Jones Dam 1620 is an earth dam located in Nuckolls County, Nebraska, built in 1975. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 703 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 Jones Dam 1620
The primary purpose of Jones Dam 1620 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Michael H & Mary Fran Stoerger Wallace (private). It impounds the Tr-little Blue River near Angus.
The dam stands 25 feet tall and stretches 703 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 170 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1975, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 03/23/2020.
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Location
| State | Nebraska |
| County | Nuckolls |
| Nearest City | Angus |
| River/Stream | Tr-little Blue River |
| Coordinates | 40.31171, -98.06362 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 22 ft |
| Dam Length | 703 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 170 acre-ft |
| Max Storage | 170 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 596 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Michael H & Mary Fran Stoerger Wallace |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 03/23/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01620 |
| Federal ID | NE01620 |
| More Info | State Dam Safety Program |