Henningsgaard Dam
Henningsgaard Dam is an earth dam located in Winneshiek County, Iowa, built in 2002. It carries a Low hazard potential classification.
About Henningsgaard Dam
The primary purpose of Henningsgaard Dam 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 Roger Henningsgaard (private). It impounds the Tr- Upper Iowa River near Decorah.
The dam stands 30 feet tall and stretches 453 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 203 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2002, the structure is relatively new.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Winneshiek |
| Nearest City | Decorah |
| River/Stream | Tr- Upper Iowa River |
| Coordinates | 43.30330, -91.85170 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 453 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 203 acre-ft |
| Max Storage | 203 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Roger Henningsgaard |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03887 |
| Federal ID | IA03887 |
| More Info | State Dam Safety Program |