Hambaugh-martin 3 Dam is an earth dam located in Brown County, Illinois, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 440 ft long, taller than 83% 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 Hambaugh-martin 3 Dam
The primary purpose of Hambaugh-martin 3 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Wayne Sides (private). It impounds the Trib Illinois River near Meredosia.
The dam stands 37 feet tall and stretches 440 feet across, and has a maximum storage capacity of 270 acre-feet. Completed in 1959, 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 04/19/2024.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Illinois |
| County | Brown |
| Nearest City | Meredosia |
| River/Stream | Trib Illinois River |
| Coordinates | 39.86713, -90.63074 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 440 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 270 acre-ft |
| Max Storage | 270 acre-ft |
| Normal Storage | 135 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Wayne Sides |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/19/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00127 |
| Federal ID | IL00127 |
| More Info | State Dam Safety Program |