Railroad Lake Dam is an earth dam located in Scott County, Iowa, built in 1983. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 525 ft long, taller than 80% of U.S. dams with a recorded height. 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 Railroad Lake Dam
The primary purpose of Railroad Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Scott County Conservation Board (local government). It impounds the Tr- Black Hawk Cr. near Davenport.
The dam stands 35 feet tall and stretches 525 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 750 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1983, the structure is 43 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 06/17/2020.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Iowa |
| County | Scott |
| Nearest City | Davenport |
| River/Stream | Tr- Black Hawk Cr. |
| Coordinates | 41.52430, -90.68210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 525 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 750 acre-ft |
| Max Storage | 750 acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Scott County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/17/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02208 |
| Federal ID | IA02208 |
| More Info | State Dam Safety Program |