Hallbrook Pond Dam
Hallbrook Pond Dam is an earth dam located in Dallas County, Iowa, built in 2009. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Hallbrook Pond Dam
The primary purpose of Hallbrook Pond Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City Of Urbandale (local government). It impounds the Trib To Little Walnut Creek near Urbandale.
The dam stands 17 feet tall and stretches 310 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2009, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/28/2024.
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Location
| State | Iowa |
| County | Dallas |
| Nearest City | Urbandale |
| River/Stream | Trib To Little Walnut Creek |
| Coordinates | 41.62920, -93.82940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 310 ft |
| Year Completed | 2009 (17 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Urbandale |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/28/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04242 |
| Federal ID | IA04242 |
| More Info | State Dam Safety Program |