Woodlake Estates Dam
Woodlake Estates Dam is an earth dam located in Sangamon County, Illinois. It carries a High hazard potential classification.
About Woodlake Estates Dam
The primary purpose of Woodlake Estates 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 Wood Lake Association, Inc. (private). It impounds the Trib Spring Creek near Springfield.
The dam stands 26 feet tall and stretches 375 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 138 acre-feet, and collects water from a drainage area of 0 square miles.
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 08/23/2024.
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 | Sangamon |
| Nearest City | Springfield |
| River/Stream | Trib Spring Creek |
| Coordinates | 39.80061, -89.71308 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 375 ft |
Storage & Hydraulics
| NID Storage | 138 acre-ft |
| Max Storage | 138 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 859 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WOOD LAKE ASSOCIATION, INC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 08/23/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50577 |
| Federal ID | IL50577 |
| More Info | State Dam Safety Program |