Msdgc Sludge Pond 1-3a Dam Reservoir Report

Last Updated: December 19, 2025

Msdgc Sludge Pond 1-3a Dam, located in Fulton County, Illinois, was completed in 1973 by MSDGC and serves as a crucial offstream structure for managing water resources in the area.


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Summary

The dam, primarily designed for other purposes, is classified as an Earth dam with a height of 39 feet and a length of 14350 feet. It has a significant hazard potential and is regulated by the Illinois Department of Natural Resources.

This Earth dam, with a buttress core type, has a storage capacity of 1695 acre-feet, with a normal storage level of 410 acre-feet. Despite its age, the dam meets inspection and regulatory requirements set by the state, ensuring its structural integrity and safety. The risk assessment for the dam is considered high, highlighting the importance of ongoing monitoring and management measures to mitigate potential risks.

While the dam does not have a spillway, outlet gates, or locks, it plays a crucial role in water resource management in the area. With its location on the Evelen Branch-Offstream, the Msdgc Sludge Pond 1-3a Dam is a key infrastructure for flood control and water supply. Its presence underscores the importance of sustainable water resource management in the face of climate change challenges.

Year Completed

1973

Dam Length

14350

Dam Height

39

River Or Stream

EVELEN BRANCH-OFFSTREAM

Primary Dam Type

Earth

Nid Storage

1695

Outlet Gates

None

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

39
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.