Kincaid Station Slag Pond is an earth dam located in Christian County, Illinois. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,100 ft long, taller than 50% 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 embankment section and the water level is illustrative.
About Kincaid Station Slag Pond
Kincaid Station Slag Pond is a dam in Christian, Illinois. The dam is owned by Dynegy, Inc. (public utility). It impounds the South Fork Sangamon River - Offstream near Springfield.
The dam stands 25 feet tall and stretches 1,100 feet across, and has a maximum storage capacity of 900 acre-feet.
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 09/19/2025.
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Location
| State | Illinois |
| County | Christian |
| Nearest City | Springfield |
| River/Stream | South Fork Sangamon River - Offstream |
| Coordinates | 39.60121, -89.49421 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,100 ft |
Storage & Hydraulics
| NID Storage | 900 acre-ft |
| Max Storage | 900 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Dynegy, Inc. |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/19/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50706 |
| Federal ID | IL50706 |
| More Info | State Dam Safety Program |