Fifth Liter Sampling: EPA’s Newly-Mandated Technique for Sampling Lead in Drinking Water

In 2022, New Jersey’s Department of Environmental Protection will release its own LCRR proposal which is likely to address how fifth liter sampling will be implemented in New Jersey. This report explains the differences between the most common methods of water sampling and clarifies some of the questions clean water advocates may have about implementation of the new fifth liter sampling method.