72 Million Americans Depend on Drinking Water From Small Streams

The data EWG used are drawn from a 2009 EPA study that analyzed "regional patterns of dependence on intermittent, ephemeral and headwater streams to supply public drinking water systems in the United States, using the most recent, valid data available."

72 Million Americans Depend on Drinking Water From Small Streams

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Alex E

“Maps are like campfires – everyone gathers around them, because they allow people to understand complex issues at a glance, and find agreement about how to help the land.”