Sand Hollow West Dam
Sand Hollow West Dam is a dam located in Washington County, Utah, built in 2002. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Sand Hollow West Dam
The primary purpose of Sand Hollow West Dam 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 Washington County Water Conservancy Dist (private). It impounds the Off Channel near Washington.
The dam stands 51 feet tall and stretches 7,638 feet across, and has a maximum storage capacity of 60,958 acre-feet. Completed in 2002, the structure is relatively new.
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 10/24/2023.
At 51 feet, this dam is taller than 93% 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 | Washington |
| River/Stream | Off Channel |
| Coordinates | 37.11746, -113.38940 |
Physical Characteristics
| NID Height | 51 ft |
| Dam Length | 7,638 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 60,958 acre-ft |
| Max Storage | 60,958 acre-ft |
| Normal Storage | 51,360 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | WASHINGTON COUNTY WATER CONSERVANCY DIST |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/24/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT50415 |
| Federal ID | UT50414S001 |
| More Info | State Dam Safety Program |