Jett Subwatershed Site 2-1
Jett Subwatershed Site 2-1 is an earth dam located in Woodbury County, Iowa, built in 2002. It carries a Low hazard potential classification.
About Jett Subwatershed Site 2-1
The primary purpose of Jett Subwatershed Site 2-1 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 Woodbury County Swcd (local government). It impounds the Tr- East Branch near Turin.
The dam stands 33 feet tall and stretches 386 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 42 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2002, 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 78% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Turin |
| River/Stream | Tr- East Branch |
| Coordinates | 42.36000, -95.99330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 386 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Woodbury County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03894 |
| Federal ID | IA03894 |
| More Info | State Dam Safety Program |