Long gone are the days when rainwater tank manufacturers produced products with limited features. Today, the high demand for rainwater tanks has forced manufacturers to equip their containers with various accessories and features. For instance, overflow outlets are a critical feature for preventing overflows. Notably, the outlets are equipped with screens to help keep out bugs and debris. That said, rainwater tanks with overflow outlets still suffer from spillover issues. Here are the most common overflow problems and how to address them.