Wisconsin Mound Soil Absorption System and Area FillPractice Exam

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What must be removed from the entire surface area of the Wisconsin mound footprint during site preparation?

Excessive organic matter
Surface rocks
Grass, shrubs, and trees
Both excessive organic matter and plants

The correct answer is: Both excessive organic matter and plants

During site preparation for the Wisconsin mound soil absorption system, it is essential to remove both excessive organic matter and plants from the entire surface area of the mound footprint. Excessive organic matter can hinder the proper function of the system by affecting soil aeration and drainage, which are crucial for the absorption of effluent. In addition, the presence of grass, shrubs, and trees, which constitutes plant cover, can interfere with the installation and functioning of the mound system. These plants can uptake moisture and nutrients, potentially leading to issues with the system’s efficiency if they are not adequately managed. Therefore, removing both types ensures the mound system has a suitable and unobstructed area for effective operation. This comprehensive clearing is vital for optimal soil performance and prevents complications that can arise from leftover organic matter and plant life.