What environmental risk is associated with leaks from heating oil tanks?

Heating oil tanks can present significant environmental risks when leaks occur, particularly by contaminating soil and groundwater. When heating oil leaks from a tank, the hydrocarbons present in the oil can seep into the ground. This leads to the soil becoming polluted, which in turn can affect vegetation and other organisms that depend on soil integrity. More critically, the contaminants can migrate down through the soil layers, reaching groundwater sources. This poses a severe risk to drinking water supplies, as groundwater is a crucial resource for many communities.

The potential for soil and groundwater contamination emphasizes the importance of regular monitoring and maintenance of heating oil tanks to prevent leaks and mitigate their environmental impact. This understanding supports regulatory measures aimed at ensuring the safe handling and storage of heating oil.