<p><span style="font-family: georgia, 'times new roman', times, serif; font-size: 15px; line-height: 22px;"><span style="font-family: arial, helvetica, sans-serif;">On her way to work recently, Jackie Levingston, the volunteer mayor of this ranching town east of Waco, stopped at an office in City Hall to pay her water bill. “Before there’s no water left to buy,” she said, making a sad joke.</span></span></p>