Turkey Creek Watershed Site 1-1 is an earth dam located in Cass County, Iowa, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 530 ft long, taller than 62% 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 Turkey Creek Watershed Site 1-1
The primary purpose of Turkey Creek Watershed Site 1-1 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 Cass County Swcd (local government). It impounds the Tr-turkey Creek near Lewis.
The dam stands 28 feet tall and stretches 530 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 134 acre-feet, and collects water from a drainage area of 0 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 | Cass |
| Nearest City | Lewis |
| River/Stream | Tr-turkey Creek |
| Coordinates | 41.31870, -95.04700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 530 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Cass County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03587 |
| Federal ID | IA03587 |
| More Info | State Dam Safety Program |