Destin Water Users (DWU) provides water utility, wastewater, and reclaimed water services to parts of incorporated Destin, an ... d portions of unincorporated Okaloosa County. Our service area is essentially located on an island bounded on the north by Choctawhatchee Bay and on the south by the Gulf of Mexico. Contact Us Destin Water Users, Inc. Hours of Operation - Monday – Friday 7:30 am – 4:30 am Primary phone number 850-837-6146 Fax 850-654-5173 Mailing Address PO Box 308 Destin Florida 32540-0308 Customer Service email cs@dwuinc.com Please feel free to checkout our Facebook page at https://www.facebook.com/destinwaterusers/?fref=ts read more