Hambaugh-martin 2 Dam is an earth dam located in Brown County, Illinois, built in 1959. It carries a Significant hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 380 ft long. 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 2 Dam
The primary purpose of Hambaugh-martin 2 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 Raymond Turner (private). It impounds the Trib Illinois River near Meredosia.
The dam stands 21 feet tall and stretches 380 feet across, and has a maximum storage capacity of 63 acre-feet. Completed in 1959, the structure is well into its service life at over 50 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. The most recent inspection on record was 04/19/2024.
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Location
| State | Illinois |
| County | Brown |
| Nearest City | Meredosia |
| River/Stream | Trib Illinois River |
| Coordinates | 39.85826, -90.64047 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 380 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 42 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Raymond Turner |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 04/19/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00839 |
| Federal ID | IL00839 |
| More Info | State Dam Safety Program |