South Creek - Washington County
South Creek - Washington County is an earth dam located in Washington County, Utah, built in 1988. It carries a High hazard potential classification and has a satisfactory condition assessment.
About South Creek - Washington County
The primary purpose of South Creek - Washington County is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Parunuweap Llc At Trees Ranch Llc (private). It impounds the South Creek near Rockville.
The dam stands 91 feet tall and stretches 955 feet across, has a maximum storage capacity of 2,250 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1988, the structure is 38 years old.
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 05/18/2023.
At 91 feet, this dam is taller than 98% of all dams in the United States.
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 | Rockville |
| River/Stream | South Creek |
| Coordinates | 37.14900, -112.98539 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 91 ft |
| Dam Length | 955 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 2,250 acre-ft |
| Max Storage | 2,250 acre-ft |
| Normal Storage | 1,963 acre-ft |
| Drainage Area | 18 sq mi |
| Max Discharge | 70 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | PARUNUWEAP LLC at TREES RANCH LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00588 |
| Federal ID | UT00588 |
| More Info | State Dam Safety Program |