Cedar City - Greens Lake No. 4
Cedar City - Greens Lake No. 4 is an earth dam located in Iron County, Utah, built in 1958. It carries a Significant hazard potential classification.
About Cedar City - Greens Lake No. 4
The primary purpose of Cedar City - Greens Lake No. 4 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 11 feet tall and stretches 230 feet across, has a maximum storage capacity of 88 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.
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Location
| State | Utah |
| County | Iron |
| Nearest City | Cedar City |
| River/Stream | Unnamed |
| Coordinates | 37.63349, -113.04245 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 230 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 29 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 Rated |
| Last Inspection | 05/12/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00416 |
| Federal ID | UT00416 |
| More Info | State Dam Safety Program |