New Braunfels Utilities will participate in the nationwide “Imagine a Day Without Water” campaign on Oct. 23 from 6 p.m.-8 p.m. at Headwaters at the Comal, 333 East Klingemann Street. Community members are invited to take part in a free do-it-yourself rain barrel workshop followed by a tour of the grounds at the Headwaters at the Comal. Participants are required to bring a 32-gallon, heavy-duty trash can or other large container. All other workshop materials will be provided. More information about the event can be found at www.facebook.com/newbraunfelsutilities.