Scipio Lake is an earth dam located in Millard County, Utah, built in 1936. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 975 ft long. 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 Scipio Lake
The primary purpose of Scipio Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Scipio Irrigation Company (private). It impounds the Round Valley Creek near Scipio.
The dam stands 18 feet tall and stretches 975 feet across, has a maximum storage capacity of 11,700 acre-feet, and collects water from a drainage area of 64 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.
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 06/20/2023.
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Location
| State | Utah |
| County | Millard |
| Nearest City | Scipio |
| River/Stream | Round Valley Creek |
| Coordinates | 39.12350, -112.05410 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 975 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 11,700 acre-ft |
| Max Storage | 11,700 acre-ft |
| Normal Storage | 10,400 acre-ft |
| Drainage Area | 64 sq mi |
| Max Discharge | 50 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Scipio Irrigation Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/20/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00269 |
| Federal ID | UT00269 |
| More Info | State Dam Safety Program |