Irontown Dam is an earth dam located in Iron County, Utah, built in 1973. It carries a Significant hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 405 ft long. 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 Irontown Dam
The primary purpose of Irontown Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Irontown Property Owners` Association (private). It impounds the Little Pinto Creek near Newcastle.
The dam stands 24 feet tall and stretches 405 feet across, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 28 square miles. Completed in 1973, the structure is well into its service life at over 50 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/07/2023.
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Location
| State | Utah |
| County | Iron |
| Nearest City | Newcastle |
| River/Stream | Little Pinto Creek |
| Coordinates | 37.60182, -113.45412 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Length | 405 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 54 acre-ft |
| Drainage Area | 28 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Irontown Property Owners` Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/07/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00174 |
| Federal ID | UT00174 |
| More Info | State Dam Safety Program |