Swanger Dam is an earth dam located in Woodbury County, Iowa, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 580 ft long, taller than 88% 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 Swanger Dam
The primary purpose of Swanger Dam 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 Lowell Swanger (private). It impounds the Tr-morehead Creek near Danbury.
The dam stands 42 feet tall and stretches 580 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 115 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 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Danbury |
| River/Stream | Tr-morehead Creek |
| Coordinates | 42.32310, -95.67170 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 580 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Lowell Swanger |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01187 |
| Federal ID | IA01187 |
| More Info | State Dam Safety Program |