Crescent Lake Dam is an earth dam located in Polk County, Iowa, built in 2007. It carries a Significant hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 245 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 Crescent Lake Dam
The primary purpose of Crescent Lake 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 Ladco Development (private). It impounds the Tr- Jordan Creek near West Des Moines.
The dam stands 22 feet tall and stretches 245 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 27 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, 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 | Polk |
| Nearest City | West Des Moines |
| River/Stream | Tr- Jordan Creek |
| Coordinates | 41.56440, -93.78830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 245 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 27 acre-ft |
| Max Storage | 27 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Ladco Development |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03537 |
| Federal ID | IA03537 |
| More Info | State Dam Safety Program |