Jett Subwatershed Site M-6 is an earth dam located in Woodbury County, Iowa, built in 2003. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 510 ft long, taller than 74% 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 Jett Subwatershed Site M-6
Jett Subwatershed Site M-6 is a dam in Woodbury, Iowa. The dam is owned by Woodbury County Swcd (local government). It impounds the Tr- East Branch Wolf Creek near Little Sioux.
The dam stands 32 feet tall and stretches 510 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 279 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2003, 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 | Woodbury |
| Nearest City | Little Sioux |
| River/Stream | Tr- East Branch Wolf Creek |
| Coordinates | 42.36530, -95.99250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 510 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 279 acre-ft |
| Max Storage | 279 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Woodbury County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03914 |
| Federal ID | IA03914 |
| More Info | State Dam Safety Program |