River Bluffs Girl Scout Council Dam is a rockfill dam located in Madison County, Illinois, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 180 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 rockfill embankment section and the water level is illustrative.
About River Bluffs Girl Scout Council Dam
The primary purpose of River Bluffs Girl Scout Council Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Unknown. It impounds the Trib Sherry Creek near Edwardsville.
The dam stands 35 feet tall and stretches 180 feet across, and has a maximum storage capacity of 65 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 07/01/2024.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Illinois |
| County | Madison |
| Nearest City | Edwardsville |
| River/Stream | Trib Sherry Creek |
| Coordinates | 38.98830, -89.90420 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 180 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Unknown |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/01/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL40095 |
| Federal ID | IL40095 |
| More Info | State Dam Safety Program |