What is the typical maximum lifespan of a UST?

The typical maximum lifespan of a UST is often considered to be 20-30 years, which aligns with the chosen answer. This timeframe reflects industry standards as well as considerations regarding the materials used in tank construction and environmental factors.

Underground storage tanks, especially those made of steel, can corrode over time, which affects their integrity and lifespan. Regulatory standards and industry practices encourage regular inspections and maintenance to ensure that tanks remain safe and functional throughout their operational life. The 20-30 year range takes into account the expected wear due to environmental influences, potential for leaks, and the need for replacement or upgrading as technology and regulations evolve.

This lifespan is a guideline and can vary depending on specific factors such as the type of materials the tank is constructed from, the environment in which it is located, and how well it has been maintained. Understanding this aspect is critical for anyone involved in the management or oversight of UST systems to ensure compliance with safety regulations and to prevent environmental contamination.