The captionis evocative and explains the issue in a concise way. It gives the reader a sense of the residents of Flint and their experiences of living in this particular place and environment. A breif description of the presumed health effects of PFAS would clarify what is at stake with this recent discovery.
Based off the graffiti in this image, I wonder - who travels near the storm drain? Where is it located in relation to the city of Flint? Does any graffiti refer to the water crisis or other issues you describe?