Cedar Falls Milldam is a gravity dam located in Black Hawk County, Iowa, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 350 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Cedar Falls Milldam
The primary purpose of Cedar Falls 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 Cedar Falls (local government). It impounds the Cedar River near Cedar Falls.
The dam stands 12 feet tall and stretches 350 feet across, creates a reservoir covering 230 acres, has a maximum storage capacity of 1,394 acre-feet, and collects water from a drainage area of 4,787 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
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.
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Location
| State | Iowa |
| County | Black Hawk |
| Nearest City | Cedar Falls |
| River/Stream | Cedar River |
| Coordinates | 42.53950, -92.44850 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 350 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 1,394 acre-ft |
| Max Storage | 1,394 acre-ft |
| Normal Storage | 1,394 acre-ft |
| Surface Area | 230 acres |
| Drainage Area | 4,787 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Cedar Falls |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01213 |
| Federal ID | IA01213 |
| More Info | State Dam Safety Program |