Ivins Bench
Ivins Bench is an earth dam located in Washington County, Utah, built in 1943. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Ivins Bench
The primary purpose of Ivins Bench is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Washington County Water Conservancy Dist (private). It impounds the Off-channel/santa Clara near Santa Clara.
The dam stands 47 feet tall and stretches 1,050 feet across, has a maximum storage capacity of 905 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1943, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/05/2023.
At 47 feet, this dam is taller than 92% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Utah dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Utah |
| County | Washington |
| Nearest City | Santa Clara |
| River/Stream | Off-channel/santa Clara |
| Coordinates | 37.17856, -113.71335 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 905 acre-ft |
| Max Storage | 905 acre-ft |
| Normal Storage | 778 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 17 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WASHINGTON COUNTY WATER CONSERVANCY DIST |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/05/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00149 |
| Federal ID | UT00149 |
| More Info | State Dam Safety Program |