Houlton Pioneer Times photograph/Gloria AustinHoulton Southside School fourth-grade students who participated in the Maine Clean Water Week poster competition are, from left, front, Gabriel Green, Sydney Lorom, Alyssa Abbotoni, Madison Dunn, Grace Violette, Mia Findlater and Samantha Condon; back, Tristan Blake, Samuel Ellis, Cora Gray, Kennedy Buzzeo, Sydney Ellis, Kaylee Folsom and Zachary Weeks. Students were asked to draw a poster depicting what clean water means to them. The top entries were selected and submitted to the Maine Wastewater Control Association. Maine Clean Water Week is June 4-8.