Windy Hill Subwatershed Site 5-3
Windy Hill Subwatershed Site 5-3 is an earth dam located in Woodbury County, Iowa, built in 1975. It carries a Low hazard potential classification.
About Windy Hill Subwatershed Site 5-3
The primary purpose of Windy Hill Subwatershed Site 5-3 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-west Fork Little Sioux near Rolly Springs.
The dam stands 52 feet tall and stretches 550 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 320 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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 52 feet, this dam is taller than 93% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Rolly Springs |
| River/Stream | Tr-west Fork Little Sioux |
| Coordinates | 42.39530, -96.10100 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 52 ft |
| Dam Height | 52 ft |
| Dam Length | 550 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Normal Storage | 215 acre-ft |
| Surface Area | 15 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 | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01647 |
| Federal ID | IA01647 |
| More Info | State Dam Safety Program |