Jensen Wetland
Jensen Wetland is an earth dam located in Fremont County, Iowa, built in 2002. It carries a Low hazard potential classification.
About Jensen Wetland
The primary purpose of Jensen Wetland 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 Iowa Department Of Natural Resources (state). It impounds the Tr-east Nishnabotna River near Riverton.
The dam stands 8 feet tall and stretches 1,330 feet across, creates a reservoir covering 109 acres, has a maximum storage capacity of 677 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. The most recent inspection on record was 11/04/2003. That was over 22 years ago.
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Location
| State | Iowa |
| County | Fremont |
| Nearest City | Riverton |
| River/Stream | Tr-east Nishnabotna River |
| Coordinates | 40.67860, -95.58140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 1,330 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 677 acre-ft |
| Max Storage | 677 acre-ft |
| Normal Storage | 216 acre-ft |
| Surface Area | 109 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/04/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04040 |
| Federal ID | IA04040 |
| More Info | State Dam Safety Program |