The state Department of Ecology in 1996 officially declared Burnt Bridge Creek to be severely polluted with fecal coliform. The environmental regulators, it turns out, had unwittingly contributed to the problem. This week, Vancouver city workers made a startling discovery near the regional office shared by Ecology and the Washington Department of Fish and Wildlife at 2108 Grand Blvd. At some point in the building's history, a sewer pipe that was supposed to be connected to the city's sanitary sewer main had been incorrectly connected to a stormwater line instead. "The only thing that's supposed to be in the stormwater...