This 1st person POV story tells of a brother and sister. Big brother, protector, will be going into the Navy the next year and the sister will have to weather her last year of high school by herself. They are swimming in the river when an upstream neighbor's sewage floats into their swimming area. They seek revenge. There are some complicated emotions between the brother and sister complicated by their dysfunctional parents. Great story.
"Muddy Water" was published by Steel Toe Review in April, 2015.
Link to full text of story: "Muddy Water"