Almost all farm houses use a septic tank system or similar on-site wastewater system to treat household wastewater. These systems are usually economical and safe. But, they must be able to safely handle all wastewater produced by your household and must treat wastewater adequately to prevent contamination of groundwater and surface water. This publication lists several questions to help you determine whether your household wastewater treatment system may pose a risk to your groundwater.

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