Atlanta’s auditor released a damning investigation of the Department of Watershed Management on Tuesday, reporting that security problems are so bad that it’s impossible to know how much equipment is missing. But what’s clear, auditor Leslie Ward said, is the department can’t account for at least 10,000 water meters.

Ward said it’s hard to track just how much equipment is missing because of unreliable data and poor record-keeping.

Read more: Atlanta Journal Constitution Sep 10 2014