MIAMI-DADE COUNTY, Fla. – Residents in Opa Locka reported they were wrongly billed thousands of dollars for water they didn’t use, and it has been happening for months. A bill started at about $1,400. It went up $400 more and was at $9,062. Lizbel Vazquez and Jani Russell were among the residents who wanted answers from the Miami-Dade County Water & Sewer Department.