Trial Lake Dam
Trial Lake Dam is an earth dam located in Summit County, Utah, built in 1990. It carries a High hazard potential classification.
About Trial Lake Dam
The primary purpose of Trial Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Department Of The Interior (federal). It impounds the Provo River near Woodland.
The dam stands 51 feet tall and stretches 600 feet across, has a maximum storage capacity of 1,661 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1990, the structure is 36 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/28/2023.
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 | Summit |
| Nearest City | Woodland |
| River/Stream | Provo River |
| Coordinates | 40.67990, -110.95700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 43 ft |
| Dam Length | 600 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 1,661 acre-ft |
| Max Storage | 1,661 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 5,017 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DEPARTMENT OF THE INTERIOR |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 06/28/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00301 |
| Federal ID | UT00301 |
| More Info | State Dam Safety Program |