What is the environmental impact of a leaking UST?

A leaking underground storage tank (UST) has significant environmental implications, particularly regarding public health and ecosystems. When a UST leaks, hazardous substances, such as fuel or chemicals, can seep into the surrounding soil and potentially into groundwater sources. This contamination can lead to serious health risks for nearby communities, as these pollutants may enter drinking water supplies, exposing individuals to harmful toxins.

Moreover, the ecological impact can be profound. Contaminated soil and water can harm local wildlife, disrupt food chains, and degrade habitat quality. Plant life may also suffer from exposure to these hazardous substances, which can further affect the local ecosystem's balance.

The other options do not accurately reflect the realities of a leaking UST. While it may affect property values, that is a secondary consequence stemming from the issues of public health and environmental safety. Enhancing soil fertility is also not possible in the context of contamination, as pollutants typically degrade soil quality rather than improve it. Lastly, while the financial impact on the tank owner can be significant due to cleanup costs and liabilities, the broader environmental and public health risks highlight why option B is the most comprehensive and accurate statement regarding the consequences of a leaking UST.