Inez Lake Dam is a dam located in St. Clair County, Illinois. It carries a Significant hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 305 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 Inez Lake Dam
The primary purpose of Inez Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned. It impounds the Trib Richland Creek near Swansea.
The dam stands 23 feet tall and stretches 305 feet across.
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 06/09/2022.
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Location
| State | Illinois |
| County | St. Clair |
| Nearest City | Swansea |
| River/Stream | Trib Richland Creek |
| Coordinates | 38.53752, -89.96603 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 305 ft |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/09/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL50743 |
| Federal ID | IL50743 |
| More Info | State Dam Safety Program |