Nora Springs Low Head Dam is a concrete dam located in Floyd County, Iowa, built in 1895. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 600 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Nora Springs Low Head Dam
The primary purpose of Nora Springs Low Head Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Nora Springs (local government). It impounds the Shell Rock River near Nora Spring.
The dam stands 12 feet tall and stretches 600 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 500 square miles. Completed in 1895, the structure is over a century 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 | Floyd |
| Nearest City | Nora Spring |
| River/Stream | Shell Rock River |
| Coordinates | 43.14770, -93.01340 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 600 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 500 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Nora Springs |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04082 |
| Federal ID | IA04082 |
| More Info | State Dam Safety Program |