Which of the following explains why many household septic systems end up contaminating the shallow groundwater system?

Question

Quizplus · Accepted Answer

All of the answers listed here can contribute to septic system contamination of shallow groundwater. The water table being too high can prevent proper drainage and cause wastewater to back up into the system. The drain field becoming plugged with solids can reduce the system's ability to filter and treat wastewater before it enters the surrounding soil. Pouring household chemicals down the drain can damage the septic system and contaminate the groundwater. Finally, if the material under the drain field is not permeable enough, wastewater may not be adequately filtered and treated before it reaches the surrounding groundwater.

Which of the Following Explains Why Many Household Septic Systems