Big Whiskey 1 Subwatershed Site 3-1 is an earth dam located in Woodbury County, Iowa, built in 1968. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 679 ft long, taller than 84% 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 Big Whiskey 1 Subwatershed Site 3-1
The primary purpose of Big Whiskey 1 Subwatershed Site 3-1 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 Woodbury County Swcd (local government). It impounds the Tr-whiskey Creek near Bronson.
The dam stands 38 feet tall and stretches 679 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/24/2024.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Bronson |
| River/Stream | Tr-whiskey Creek |
| Coordinates | 42.49160, -96.25680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 679 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 31 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 | Woodbury County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/24/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01195 |
| Federal ID | IA01195 |
| More Info | State Dam Safety Program |