Sewer averaging underway February 06, 2019 - 00:00 Posted in: Columbus COLUMBUS – The city of Columbus is in the middle of its annual sewer averaging, when the city monitors water use to determine what residential customers’ sewer rates will be for the next fiscal year. Sewer averaging began in December. It will end in mid-February. Residents who have water leaks, burst pipes,PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!