Wisconsin Mound Soil Absorption System and Area FillPractice Exam

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What is the maximum slope allowed for Wisconsin mound installations using pressure distribution?

  1. 15%

  2. 20%

  3. 25%

  4. 30%

The correct answer is: 25%

The maximum slope allowed for Wisconsin mound installations using pressure distribution is 25%. This specification is set to ensure the effective functioning of the mound systems in various soil types and topographical conditions. Steeper slopes can lead to rapid water runoff or erosion, which could compromise the absorption and treatment process of wastewater. Maintaining a maximum slope of 25% helps to promote uniform distribution of effluent and minimizes the risk of surface water contamination or system failure. This design consideration is crucial in terms of both public health and environmental protection.