Americans flush toilets with water that's good enough to drink. We could cut how much water cities need if we reused that water, or flushed without sapping our fresh mountain supplies. From at-home solutions to citywide scale, wastewater reuse and recycling are gaining momentum, and could be on the verge of a breakthrough.  Part 6 of a 10-part series. For more CPR News coverage of the Colorado River, visited cpr.org/parched. Host: Michael Elizabeth Sakas Written by Rachel Estabrook Editors: Erin Jones, Joe Wertz Production and Mixing: Rebekah Romberg Theme song by Kibwe Cooper. Additional music via Universal Production Music. Artwork: Maria Juliana Pinzón Executive Producers: Kevin Dale, Brad Turner Additional Editorial Support: Alison Borden, Kibwe Cooper, Jo Erickson, Luis Antonio Perez, Taylar Dawn Stagner, Andrew Villegas Thanks also to Sarah Bures, Hart Van Denburg, Jodi Gersh, Kim Nguyen, Clara Shelton, Arielle Wilson. Parched is a production of the Climate Solutions team of CPR News and Colorado Public Radio’s Audio Innovations Studio — part of the NPR Network.