Site B Dredge Disposal Pond Dam Reservoir Report
Last Updated: January 11, 2026
Site B Dredge Disposal Pond Dam, located in Randolph, Illinois, serves as a vital structure for debris control along the tributary of the Kaskaskia River.
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Summary
Built in 1992 by RHUTASEL & ASSOC., this private-owned Earth dam stands at a height of 12 feet and stretches over 5000 feet in length. With a storage capacity of 860 acre-feet, it plays a crucial role in managing the water resources in the area while posing a low hazard potential.
Managed by the Illinois Department of Natural Resources (IDNR), the dam is regularly inspected and meets state regulatory standards for design, inspection, and enforcement. Despite being classified as having a moderate risk level, the dam has not undergone a recent condition assessment. While the emergency action plan (EAP) status is not available, the dam's hazard potential remains low, providing a sense of security for nearby residents and landowners in the event of any unforeseen incidents.
In the picturesque city of Kaskaskia, the Site B Dredge Disposal Pond Dam stands as a testament to effective water resource management and climate resilience efforts. Its strategic location and purposeful design make it a critical infrastructure for maintaining the ecological balance of the surrounding area, showcasing the importance of sustainable practices in safeguarding our natural environment for future generations.
Year Completed |
1992 |
Dam Length |
5000 |
Dam Height |
12 |
River Or Stream |
TRIB KASKASKIA RIVER |
Primary Dam Type |
Earth |
Drainage Area |
0.17 |
Nid Storage |
860 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
12 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Mississippi River At Chester
|
105000cfs |
South Fork Saline Creek Near Perryville
|
9cfs |
Richland Creek Near Hecker
|
13cfs |
Kaskaskia River At New Athens
|
875cfs |
Silver Creek Near Freeburg
|
20cfs |
Big River Below Desloge
|
40cfs |
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.
Site B Dredge Disposal Pond Dam