Three Mile Creek Watershed Site 42 is an earth dam located in Union County, Iowa, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 504 ft long, taller than 80% 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 Three Mile Creek Watershed Site 42
Three Mile Creek Watershed Site 42 is a dam in Union, Iowa. The dam is owned by Union County Swcd (local government). It impounds the Tr-three Mile Creek near Talmage.
The dam stands 35 feet tall and stretches 504 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
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 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Iowa |
| County | Union |
| Nearest City | Talmage |
| River/Stream | Tr-three Mile Creek |
| Coordinates | 41.10300, -94.25290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 504 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Union County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01084 |
| Federal ID | IA01084 |
| More Info | State Dam Safety Program |