Manning Meadow is an earth dam located in Piute County, Utah, built in 1970. It carries a Significant hazard potential classification.
Dam profile
NID height · 85 ft85 ft tall and 315 ft long, taller than 97% 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 Manning Meadow
The primary purpose of Manning Meadow 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 Manning Creek near Thompson.
The dam stands 85 feet tall and stretches 315 feet across, has a maximum storage capacity of 1,369 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1970, 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 07/07/2022.
At 85 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Utah |
| County | Piute |
| Nearest City | Thompson |
| River/Stream | Manning Creek |
| Coordinates | 38.50018, -112.06575 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 85 ft |
| Dam Length | 315 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 1,369 acre-ft |
| Max Storage | 1,369 acre-ft |
| Normal Storage | 1,000 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 51 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 | 07/07/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00195 |
| Federal ID | UT00195 |
| More Info | State Dam Safety Program |