Valley Friends Lake Dam is an earth dam located in Rock Island County, Illinois, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 47 ft47 ft tall and 293 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Valley Friends Lake Dam
The primary purpose of Valley Friends Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Joanndes & D. Allison (private). It impounds the Trib Mississippi River near Andalusia.
The dam stands 47 feet tall and stretches 293 feet across, and has a maximum storage capacity of 102 acre-feet. Completed in 1965, the structure is well into its service life at over 50 years 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 07/18/2025.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Illinois |
| County | Rock Island |
| Nearest City | Andalusia |
| River/Stream | Trib Mississippi River |
| Coordinates | 41.42675, -90.78767 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 293 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 102 acre-ft |
| Max Storage | 102 acre-ft |
| Normal Storage | 80 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Joanndes & D. Allison |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/18/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01137 |
| Federal ID | IL01137 |
| More Info | State Dam Safety Program |