Thirty-fifth Street Dam
Thirty-fifth Street Dam is an earth dam located in Polk County, Iowa, built in 1992. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Thirty-fifth Street Dam
Thirty-fifth Street Dam is a dam in Polk, Iowa. The dam is owned by City Of West Des Moines (local government). It impounds the Tr-jordan Creek near West Des Moines.
The dam stands 23 feet tall and stretches 530 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 95 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1992, the structure is 34 years old.
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 09/10/2024.
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Location
| State | Iowa |
| County | Polk |
| Nearest City | West Des Moines |
| River/Stream | Tr-jordan Creek |
| Coordinates | 41.56570, -93.75670 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 530 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | City of West Des Moines |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/10/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02856 |
| Federal ID | IA02856 |
| More Info | State Dam Safety Program |