A severe algae bloom clogged equipment at one of the treatment facilities providing drinking water in the Washington region, forcing officials to declare a boil-water advisory on the night of July 3—as thousands of visitors arrived to celebrate Independence Day. The advisory was lifted the morning of July 4. But the incident was an ominous … Continue reading Aggressive Algae Bloom Clogged Water System, Prompting Boil Water Advisory in D.C. and Parts of Virginia