The Biden administration’s requirement that all lead service lines be replaced within the next 10 years could cost far more than the agency estimated and dump costs on households, water associations told the Washington Examiner.

The Environmental Protection Agency‘s rule, finalized last week, is meant to ensure clean and safe drinking water, as water tainted by lead has been linked to illness, including premature deaths. The requirement is intended to prevent public health crises, such as the one that befell Flint, Michigan, a decade ago.