live in akron, chris flanagan, back to you. >>> water customers build thousands of dollars for water they did not use. you have uncovered customers rights are being ignored. >> reporter: imagine getting a bill that is so off of the charts you know there must be a mistake. tonight we go undercover finding a complaint process that is cloaked in secrecy. he runs an auto repair shop, one day last year he got this, his water was not even hooked up. instead is built is an estimate. >> they estimated i used to ten times my usage. >> reporter: he is not alone. what i do have a problem with is being robbed by my utility company. she is being billed more than $6000 for water she did not use. are the air leaks here? >> no, because before i moved in i had the house inspected by a certified inspector and the city did a thorough investigation too. >> reporter: but in this complaint. they gave her no adjustment. the review board, we found remains cloaked in secrecy. did the water department tell you up front that you had a right to a water review hearing? >> no, they didn't, only until we went back