There are also risks in storing hazardous materials below ground.
Underground tanks can leak and contaminate soil and groundwater.
This can increase health risks and decrease property values. For these reasons, regulations exist to control the operation of underground tanks to protect public health and the environment. Staff of the Underground Storage Tank Program make sure these regulations are followed by inspecting storage tank facilities and educating businesses on how to properly handle their tanks. Construction Requirements New tank systems must be made of approved materials that provide strength and protect against corrosion. Systems must have the ability to detect and intercept leaks.