Union Hill Wpa Dam is an earth dam located in Cerro Gordo County, Iowa, built in 1997. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 914 ft long. 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 Union Hill Wpa Dam
The primary purpose of Union Hill Wpa Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by US Fish & Wildlife Service - Titonka (federal). It impounds the Tr-drainage Ditch #7 near Thorton.
The dam stands 8 feet tall and stretches 914 feet across, creates a reservoir covering 194 acres, has a maximum storage capacity of 1,340 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1997, the structure is 29 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.
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Location
| State | Iowa |
| County | Cerro Gordo |
| Nearest City | Thorton |
| River/Stream | Tr-drainage Ditch #7 |
| Coordinates | 43.01060, -93.43650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 914 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 1,340 acre-ft |
| Max Storage | 1,340 acre-ft |
| Normal Storage | 475 acre-ft |
| Surface Area | 194 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | US Fish & Wildlife Service - Titonka |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03118 |
| Federal ID | IA03118 |
| More Info | State Dam Safety Program |