Des Moines-scott Street Milldam
Des Moines-scott Street Milldam is a gravity dam located in Polk County, Iowa, built in 1920. It carries a Low hazard potential classification.
About Des Moines-scott Street Milldam
The primary purpose of Des Moines-scott Street Milldam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Des Moines (local government). It impounds the Des Moines River near Des Moines.
The dam stands 7 feet tall and stretches 684 feet across, creates a reservoir covering 200 acres, has a maximum storage capacity of 798 acre-feet, and collects water from a drainage area of 9,879 square miles. Completed in 1920, the structure is over a century old.
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. The most recent inspection on record was 10/18/1989. That was over 36 years ago.
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Location
| State | Iowa |
| County | Polk |
| Nearest City | Des Moines |
| River/Stream | Des Moines River |
| Coordinates | 41.57980, -93.61150 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 684 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 798 acre-ft |
| Max Storage | 798 acre-ft |
| Normal Storage | 703 acre-ft |
| Surface Area | 200 acres |
| Drainage Area | 9,879 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Des Moines |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/18/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01276 |
| Federal ID | IA01276 |
| More Info | State Dam Safety Program |