Pony Creek Watershed Site 11 is an earth dam located in Mills County, Iowa, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 53 ft53 ft tall and 631 ft long, taller than 93% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Pony Creek Watershed Site 11
The primary purpose of Pony Creek Watershed Site 11 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 Mills County Swcd (local government). It impounds the Tr-pony Creek near Pacific Junction.
The dam stands 53 feet tall and stretches 631 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 116 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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. The most recent inspection on record was 09/22/2003. That was over 23 years ago.
At 53 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Iowa |
| County | Mills |
| Nearest City | Pacific Junction |
| River/Stream | Tr-pony Creek |
| Coordinates | 41.10200, -95.79430 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Height | 53 ft |
| Dam Length | 631 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 116 acre-ft |
| Max Storage | 116 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Mills County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/22/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00691 |
| Federal ID | IA00691 |
| More Info | State Dam Safety Program |