Soap Creek Watershed Site 68-66 is an earth dam located in Monroe County, Iowa, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 520 ft long, taller than 74% of U.S. dams with a recorded height. 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 Soap Creek Watershed Site 68-66
The primary purpose of Soap Creek Watershed Site 68-66 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 Soap Creek Watershed Board (local government). It impounds the Boyd Branch near Selma.
The dam stands 32 feet tall and stretches 520 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 395 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2006, 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.
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Location
| State | Iowa |
| County | Monroe |
| Nearest City | Selma |
| River/Stream | Boyd Branch |
| Coordinates | 40.93420, -92.71250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 520 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 395 acre-ft |
| Max Storage | 395 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Soap Creek Watershed Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04018 |
| Federal ID | IA04018 |
| More Info | State Dam Safety Program |