Woodfield Lake Estates Dam
Woodfield Lake Estates Dam is an earth dam located in St. Clair County, Illinois, built in 2006. It carries a High hazard potential classification.
About Woodfield Lake Estates Dam
The primary purpose of Woodfield Lake Estates Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Woodfield Lake Estates Assoc. (private). It impounds the Trib Richland Creek near Swansea.
The dam stands 15 feet tall and stretches 240 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 45 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2006, the structure is relatively new.
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 09/02/2022.
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 | St. Clair |
| Nearest City | Swansea |
| River/Stream | Trib Richland Creek |
| Coordinates | 38.55046, -89.97198 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 240 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,109 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | WOODFIELD LAKE ESTATES ASSOC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 09/02/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50480 |
| Federal ID | IL50480 |
| More Info | State Dam Safety Program |