Briney Lake 2 Dam is an earth dam located in Schuyler County, Illinois, built in 1965. It carries a Significant hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 720 ft long, taller than 78% 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 Briney Lake 2 Dam
The primary purpose of Briney Lake 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 Roger Briney (private). It impounds the Trib Illinois River near Browning.
The dam stands 34 feet tall and stretches 720 feet across, and has a maximum storage capacity of 491 acre-feet. Completed in 1965, 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 06/06/2023.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Illinois |
| County | Schuyler |
| Nearest City | Browning |
| River/Stream | Trib Illinois River |
| Coordinates | 40.18028, -90.25225 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 720 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 491 acre-ft |
| Max Storage | 491 acre-ft |
| Normal Storage | 350 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Roger Briney |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/06/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01138 |
| Federal ID | IL01138 |
| More Info | State Dam Safety Program |