St. George Replacement Aiport/db 2 is an earth dam located in Washington County, Utah, built in 2008. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 200 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 St. George Replacement Aiport/db 2
The primary purpose of St. George Replacement Aiport/db 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 City of St. George (private).
The dam stands 17 feet tall and stretches 200 feet across, and has a maximum storage capacity of 70 acre-feet. Completed in 2008, the structure is relatively new.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/27/2022.
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Location
| State | Utah |
| County | Washington |
| Coordinates | 37.03709, -113.51273 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 200 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 42 acre-ft |
| Max Discharge | 110 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of St. George |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/27/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT53532 |
| Federal ID | UT53532 |
| More Info | State Dam Safety Program |