Kincaid Station Slag Pond Reservoir Report
Last Updated: December 20, 2025
Kincaid Station Slag Pond, located in Christian County, Illinois, is a significant earth dam with a height of 25 feet and a length of 1100 feet.
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Summary
This offstream pond, managed by a public utility, serves a primary purpose of 'Other' and has a storage capacity of 900 acre-feet. The dam is regulated by the Illinois Department of Natural Resources and undergoes regular inspections, with a hazard potential rated as 'Significant' and a risk assessment of 'Moderate (3)'.
The Kincaid Station Slag Pond is situated near the South Fork Sangamon River in Springfield, Illinois, under the jurisdiction of the St. Louis District of the US Army Corps of Engineers. Despite its uncontrolled spillway type, the dam has not experienced any condition assessment issues, with the last inspection conducted in November 2020. The emergency action plan for the pond was last revised in April 2017, and the overall risk management measures for the structure are currently not specified.
Water resource and climate enthusiasts interested in the management and regulation of dams will find the Kincaid Station Slag Pond an intriguing case study. With its unique design features, state oversight, and moderate risk profile, this earth dam serves as a compelling example of infrastructure that plays a crucial role in water resource management and flood control efforts in the region.
Dam Length |
1100 |
Dam Height |
25 |
River Or Stream |
SOUTH FORK SANGAMON RIVER - OFFSTREAM |
Primary Dam Type |
Earth |
Nid Storage |
900 |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Kincaid Station Slag Pond