As New England communities face more frequent and intensifying storms, several combined sewer overflow (CSO) projects across the region are moving into the construction phase, and one has passed a major milestone.
CSO systems handle untreated or partially treated human and industrial waste, toxic material, debris and stormwater, according to the Environmental Protection Agency, and are subject to Clean Water Act regulation. With concerns about protecting community health and the environment in the wake of these storms, here's a look at how some of these critical projects in the region are progressing: