Kate Shunney The Potomac River Conservancy has reported that in 2025, the Potomac River’s health remains at a “B” grade.
Origins -- Canals and Commerce -- The Colonial Frontier -- Antietam : The Bloodiest Day -- Harpers Ferry -- The Piedmont -- Great Falls -- The Clara Barton Parkway -- The GW Parkway -- Washington and ...
The Potomac River received a "B" rating when it comes to water quality in the 2025 Potomac River report card released ...
The nonprofit Potomac Conservancy gave the Potomac River's water quality a B grade for the second year in a row.
50 years after President Johnson instigated efforts to clean up the polluted river, the Potomac remains tainted by the District’s sewage. After years of unchecked sewage flowing into the Potomac River ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback