North Pork Manure Pit Reservoir Report

Last Updated: December 5, 2025

The North Pork Manure Pit, located in Richland, Wisconsin, is a privately owned earth dam structure with a height of 47 feet and a storage capacity of 300 acre-feet.


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Summary

This manure pit is regulated by the Wisconsin Department of Natural Resources and undergoes regular inspections to ensure compliance with state regulations. With a significant hazard potential, this manure pit poses a risk that requires proper risk management measures to be in place.

Situated near the Coulter Hollow Creek, the North Pork Manure Pit serves as a vital resource for managing and storing agricultural waste in the region. The dam structure, with its designated purpose and state oversight, plays a critical role in environmental protection and water resource management. While the condition assessment of the manure pit is currently rated as "Not Rated", it is essential to have emergency action plans in place to mitigate any potential risks associated with the structure.

As water resource and climate enthusiasts, understanding the significance of structures like the North Pork Manure Pit in maintaining water quality and safeguarding the environment is crucial. With its state-regulated status and significant hazard potential, this manure pit serves as a reminder of the importance of proper management and oversight in preserving our natural resources. By staying informed about such structures and supporting responsible practices, we can contribute to sustainable water management and climate resilience in our communities.

Dam Height

47

River Or Stream

COULTER HOLLOW CR

Primary Dam Type

Earth

Hydraulic Height

43

Nid Storage

300

Structural Height

47

Hazard Potential

Significant

Nid Height

47
       
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.