Magleby
Magleby is an earth dam located in Sevier County, Utah, built in 1915. It carries a Significant hazard potential classification.
About Magleby
The primary purpose of Magleby is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Dale Magleby / Paul Magleby (private). It impounds the Monroe Creek near Greenwich.
The dam stands 18 feet tall and stretches 305 feet across, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1915, the structure is over a century 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 07/07/2022.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Utah |
| County | Sevier |
| Nearest City | Greenwich |
| River/Stream | Monroe Creek |
| Coordinates | 38.57833, -111.99185 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 305 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 60 acre-ft |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DALE MAGLEBY / PAUL MAGLEBY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 07/07/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00191 |
| Federal ID | UT00191 |
| More Info | State Dam Safety Program |