Nielson (john) is an earth dam located in Emery County, Utah. It carries a Significant hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 430 ft long, taller than 82% 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 Nielson (john)
The primary purpose of Nielson (john) is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Nielson Ranches (jesse & Johnny Nielson) (private). It impounds the Off Channel near Huntington.
The dam stands 36 feet tall and stretches 430 feet across, and has a maximum storage capacity of 180 acre-feet.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/10/2022.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Utah |
| County | Emery |
| Nearest City | Huntington |
| River/Stream | Off Channel |
| Coordinates | 39.35352, -110.98406 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Length | 430 ft |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 140 acre-ft |
| Max Discharge | 8 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Nielson Ranches (jesse & Johnny Nielson) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/10/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00778 |
| Federal ID | UT00778 |
| More Info | State Dam Safety Program |