Apple Creek Dam #2 Reservoir Report

Last Updated: December 6, 2025

Apple Creek Dam #2, located in Outagamie, Wisconsin, is a concrete multi-arch dam on the Apple Creek, with a height of 11.1 feet and a hydraulic height of 10 feet.


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Summary

This dam, owned by the local government, is regulated by the Wisconsin Department of Natural Resources (WIDNR) and undergoes regular inspections to ensure its satisfactory condition and low hazard potential. The dam has a storage capacity of 65 acre-feet and a controlled spillway type.

Despite its low hazard potential, Apple Creek Dam #2 is rated as having a very high risk assessment, with a risk management summary of 1. The dam's last inspection took place in June 2018, with an inspection frequency of 10 years. The dam is not operated by the US Army Corps of Engineers and does not have associated structures or outlet gates. The surrounding area is at risk of inundation, although specific risk management measures and emergency action plans have not been detailed.

Water resource and climate enthusiasts interested in Apple Creek Dam #2 can appreciate its unique design as a concrete multi-arch structure and its role in regulating water flow on the Apple Creek. The dam's location in a high-risk area underscores the importance of ongoing monitoring and maintenance to prevent potential hazards. The involvement of the WIDNR in regulating and inspecting the dam highlights the commitment to ensuring the safety and integrity of water infrastructure in Wisconsin.

Dam Height

11.1

River Or Stream

APPLE CREEK

Primary Dam Type

Concrete

Hydraulic Height

10

Nid Storage

65

Structural Height

11.1

Hazard Potential

Low

Nid Height

11
       
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.