The Potomac River scored a B in the latest report card on the health of the waterway. Pollution is down, but deforestation is a threat to the watershed’s health.

Three years of water testing data on D.C. rivers shows some spots are clean enough to swim in. But it’s still illegal.

More residents spent time on — and in — the rivers this summer, even with high levels of bacteria pollution.

Photo by erin_m” via DCist Flickr pool. Rise and shine, Washington! It’s been nearly five years since I’ve done a Morning Roundup, the anchor DCist news post I first crafted back in October 2004 as a way to get through a lot of news in a hurry so I could get to work on time. My name is Michael Grass and I co-founded this blog with Rob Goodspeed, where we built the core team…