Drinking water may be ubiquitous in the United States, but that doesn’t mean it’s always safe. To report the answer in your community, the latest Reporter’s Toolbox suggests exploring the Safe Drinking Water Information System, a federal government database mandated by the Safe Drinking Water Act. Here’s how to use it to identify whether your local systems meet its standards.

For years, state-sponsored programs have helped California farmworkers get much-needed access to clean water. But many immigrants now shun these services, afraid of exposure to U.S. Immigration and Customs Enforcement agents. As Circle of Blue intern Anahita Banerjee dug into this story, she discovered that their fear extended to speaking with journalists — and that ICE activities threatened her own safety.

A simple query about harmful chemicals in airline attendant uniforms started sustainable fashion writer Alden Wicker down a reporting path that uncovered a long history of toxic fashion, took her to India and ultimately inspired her award-winning book, “To Dye For.” In this BookShelf interview, Wicker talks about the challenges, the surprises and the choices made in telling this little-known story.