During the winter, Baltimore County crews and residents salt the roads, bridges, parking lots, and home sidewalks, and for decades, it has been causing problems for the waterways.
The Baltimore County Department of Environmental Protection and Sustainability has been monitoring Scott’s Level Branch, a tributary of Gwynns Falls in Baltimore County.
For nearly two decades, the health of this urban waterway has been tracked, and data show unusually high salt concentrations, which are likely negatively impacting the local ecosystem…