Joyce is an earth dam located in Summit County, Utah, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 440 ft long, taller than 59% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Joyce
The primary purpose of Joyce is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Chalk Creek-hoytsville Irrigation (private). It impounds the Chalk Creek near Coalville.
The dam stands 27 feet tall and stretches 440 feet across, has a maximum storage capacity of 450 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 07/27/2023.
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Location
| State | Utah |
| County | Summit |
| Nearest City | Coalville |
| River/Stream | Chalk Creek |
| Coordinates | 40.87852, -111.02740 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Length | 440 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 400 acre-ft |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Chalk Creek-hoytsville Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/27/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00429 |
| Federal ID | UT00429 |
| More Info | State Dam Safety Program |