Kate Shunney The Potomac River Conservancy has reported that in 2025, the Potomac River’s health remains at a “B” grade.
The Potomac River is holding steady at a "B" grade for water quality, but progress has flatlined, according to the latest river report card released Wednesday by the nonprofit Potomac Conservancy. Why ...
The river got a "B" in the Potomac Conservancy's new report. Things aren't getting worse, but improvements have stalled.
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