Fox Mill Storage Lagoon 2 Dam Reservoir Report

Last Updated: December 13, 2025

Fox Mill Storage Lagoon 2 Dam, also known as Wasco Storage Lagoon 2 Dam, is a local government-owned structure located in Kane County, Illinois.


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Summary

Situated on Mill Creek, this earth dam with a buttress core stands at a height of 26 feet and stretches over a length of 1303 feet. With a maximum storage capacity of 43 acre-feet, the dam serves primarily for purposes other than flood control or water supply.

Although classified as a low hazard potential structure, the risk assessment for Fox Mill Storage Lagoon 2 Dam indicates a high risk level, warranting attention and monitoring. While the dam has seen regular inspections with the last one conducted in April 2018, details on its condition assessment are currently unavailable. Despite lacking certain data points, the dam's location within a sensitive ecological area underscores the importance of ongoing regulatory oversight and maintenance to ensure its integrity and safety for the surrounding community and water resources.

Fox Mill Storage Lagoon 2 Dam's presence on Mill Creek, a tributary in the region, highlights the interconnectedness of water resources and infrastructure management in the face of climate change challenges. As climate enthusiasts, understanding the role of structures like this dam in water management and risk mitigation can provide valuable insights into the broader efforts needed to adapt to a changing climate and safeguard our water systems for future generations.

Dam Length

1303

Dam Height

26

River Or Stream

MILL CREEK

Primary Dam Type

Earth

Surface Area

2.65

Nid Storage

43

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

26
       
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.