Elementary school students take part in the Pajarito Environmental Education Center (PEEC) and Los Alamos County Department of Public Utilities Water Festival Friday at the Unitarian Church. The festival, which began Thursday, educated students on everything from sustainability to local water infrastructure. Here, Los Alamos National Laboratory employee Oliver Oviedo, center, uses a model to demonstrate erosion and water filtration in the soil. Photo by Kirsten Laskey/ladailypost.com

Students participate in an exercise that demonstrates water surface tension during the PEEC-DPU’s Water Festival Friday at the Unitarian Church. Photo by Kirsten Laskey/ladailypost.com

Los Alamos County Engineering Associate Jennifer Baca discusses the local waste water treatment system and how non-potable water is utilized around town during the Water Festival Friday. Photo by Kirsten Laskey/ladailypost.com

Los Alamos County Environmental Services Office Manager Joshua Levings, right, seated, and County Sustainability Manager Angelica Gurule, right, discuss how to practice sustainability during the Water Festival. Photo by Kirsten Laskey/ladailypost.com