Cedar City - Greens Lake No. 2 is an earth dam located in Iron County, Utah, built in 1958. It carries a Significant hazard potential classification.
Dam profile
NID height · 44 ft44 ft tall and 1,220 ft long, taller than 89% 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 Cedar City - Greens Lake No. 2
The primary purpose of Cedar City - Greens Lake No. 2 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cedar City Corporation (local government). It impounds the Unnamed near Cedar City.
The dam stands 44 feet tall and stretches 1,220 feet across, has a maximum storage capacity of 61 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, the structure is well into its service life at over 50 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 05/12/2022.
At 44 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Utah |
| County | Iron |
| Nearest City | Cedar City |
| River/Stream | Unnamed |
| Coordinates | 37.66016, -113.06078 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Length | 1,220 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 28 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Cedar City Corporation |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/12/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00412 |
| Federal ID | UT00412 |
| More Info | State Dam Safety Program |