Twelve Mile Creek Watershed Site 40-1
Twelve Mile Creek Watershed Site 40-1 is an earth dam located in Union County, Iowa, built in 1993. It carries a Low hazard potential classification.
About Twelve Mile Creek Watershed Site 40-1
The primary purpose of Twelve Mile Creek Watershed Site 40-1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Union County Swcd (local government). It impounds the Tr- Twelve Mile Creek near Grand River.
The dam stands 33 feet tall and stretches 536 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 279 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1993, the structure is 33 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 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Union |
| Nearest City | Grand River |
| River/Stream | Tr- Twelve Mile Creek |
| Coordinates | 40.98850, -94.16540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 536 ft |
| Year Completed | 1993 (33 years old) |
Storage & Hydraulics
| NID Storage | 279 acre-ft |
| Max Storage | 279 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Union County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02943 |
| Federal ID | IA02943 |
| More Info | State Dam Safety Program |