After a spill from a massive sewage pipe in the Potomac River, testing revealed dangerously high E. coli levels extending from Montgomery County into Washington, D.C. A week after a massive ...
Water samples are tested for E. coli, and beaches are deemed safe if levels are below 300 E. coli per 100 milliliters. The state follows Clean Water Act protocols if unsafe levels are found, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results