Turkey Creek Watershed Site 10-18 is an earth dam located in Cass County, Iowa, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 520 ft long, taller than 76% 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 10-18
The primary purpose of Turkey Creek Watershed Site 10-18 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-lone Tree Branch near Lewis.
The dam stands 33 feet tall and stretches 520 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 60 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Cass |
| Nearest City | Lewis |
| River/Stream | Tr-lone Tree Branch |
| Coordinates | 41.32180, -94.90620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 520 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 3 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 | IA03588 |
| Federal ID | IA03588 |
| More Info | State Dam Safety Program |