Calder (zelph) is an earth dam located in Uintah County, Utah, built in 1989. It carries a Significant hazard potential classification.
Dam profile
NID height · 50 ft50 ft tall and 374 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Calder (zelph)
The primary purpose of Calder (zelph) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Division of Wildlife Resources (state). It impounds the Pot Creek near None - Drains to Gre.
The dam stands 50 feet tall and stretches 374 feet across, has a maximum storage capacity of 2,600 acre-feet, and collects water from a drainage area of 35 square miles. Completed in 1989, the structure is 37 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 09/13/2023.
At 50 feet, this dam is taller than 92% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Utah |
| County | Uintah |
| Nearest City | None - Drains to Gre |
| River/Stream | Pot Creek |
| Coordinates | 40.73186, -109.20568 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Length | 374 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 2,600 acre-ft |
| Max Storage | 2,600 acre-ft |
| Normal Storage | 1,600 acre-ft |
| Drainage Area | 35 sq mi |
| Max Discharge | 35 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Division of Wildlife Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/13/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00061 |
| Federal ID | UT00061 |
| More Info | State Dam Safety Program |