Big Coon Subwatershed Site 2-9a
Big Coon Subwatershed Site 2-9a is an earth dam located in Woodbury County, Iowa, built in 1999. It carries a Low hazard potential classification.
About Big Coon Subwatershed Site 2-9a
The primary purpose of Big Coon Subwatershed Site 2-9a 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- Big Creek near Anthon.
The dam stands 45 feet tall and stretches 543 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 128 acre-feet. Completed in 1999, the structure is 27 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 45 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Anthon |
| River/Stream | Tr- Big Creek |
| Coordinates | 42.37760, -95.83260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 543 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Woodbury County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03247 |
| Federal ID | IA03247 |
| More Info | State Dam Safety Program |