Glendale Gardens Detention Pond Dam
Glendale Gardens Detention Pond Dam is an earth dam located in Madison County, Illinois, built in 1998. It carries a High hazard potential classification.
About Glendale Gardens Detention Pond Dam
The primary purpose of Glendale Gardens Detention Pond 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 City Of Wood River (local government). It impounds the Trib Smith Lake near Wood River.
The dam stands 18 feet tall and stretches 3,500 feet across, and has a maximum storage capacity of 410 acre-feet. Completed in 1998, the structure is 28 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 04/08/2022.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Illinois dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Madison |
| Nearest City | Wood River |
| River/Stream | Trib Smith Lake |
| Coordinates | 38.86618, -90.06618 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 3,500 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 410 acre-ft |
| Max Storage | 410 acre-ft |
| Max Discharge | 18,696 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF WOOD RIVER |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 04/08/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50175 |
| Federal ID | IL50175 |
| More Info | State Dam Safety Program |