Sewer averaging in EL December 29, 2021 - 00:00 Posted in: Around The County The City of Eagle Lake will conduct sewer averaging from Dec. 15 – Mar. 15.This period of water consumption is what will determine annual residential sewer rates. The readings for these three months are averaged and that average will be the sewer charge for the next 12 months starting Apr.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!