Soap Creek Watershed Site 90-85
Soap Creek Watershed Site 90-85 is an earth dam located in Wapello County, Iowa, built in 2011. It carries a Low hazard potential classification.
About Soap Creek Watershed Site 90-85
The primary purpose of Soap Creek Watershed Site 90-85 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 Little Soap Creek near Selma.
The dam stands 39 feet tall and stretches 837 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 876 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2011, 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.
At 39 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Iowa |
| County | Wapello |
| Nearest City | Selma |
| River/Stream | Little Soap Creek |
| Coordinates | 40.93630, -92.62380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 837 ft |
| Year Completed | 2011 (15 years old) |
Storage & Hydraulics
| NID Storage | 876 acre-ft |
| Max Storage | 876 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 642 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Soap Creek Watershed Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04124 |
| Federal ID | IA04124 |
| More Info | State Dam Safety Program |