Northridge Heights Dam is an earth dam located in Story County, Iowa, built in 2004. It carries a Significant hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 940 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 Northridge Heights Dam
The primary purpose of Northridge Heights 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 Uthe Development Co LLC (private). It impounds the Tr- Squaw Creek near Ames.
The dam stands 19 feet tall and stretches 940 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2004, 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.
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Location
| State | Iowa |
| County | Story |
| Nearest City | Ames |
| River/Stream | Tr- Squaw Creek |
| Coordinates | 42.05750, -93.65810 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 940 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Uthe Development Co LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03541 |
| Federal ID | IA03541 |
| More Info | State Dam Safety Program |