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The original item was published from 10/12/2023 11:10:24 AM to 11/6/2023 12:05:03 AM.

News Flash

City of Coppell Newsroom

Posted on: October 12, 2023

[ARCHIVED] City of Coppell to Begin Data Collection for Seasonal Winter Averaging November 1

The City of Coppell will begin collecting utility customer data for winter averaging for the April 2024 – March 2025 period starting November 1, 2023. Winter averaging is a method used to bill residential accounts for sewer service. It uses winter months as the basis to calculate a customer’s sewer portion of the utility bill for an entire 12-month billing year. 

To calculate a customer’s winter average, the City will track water usage for a five-month period, from November to March, of which the highest and lowest months of usage will be removed. The City will then calculate the average water usage of the remaining three months. This average monthly usage will be used to determine the monthly amount residential customers will be charged for sewer services. This established volume becomes the sewer volume that will be applied each month until a new volume is determined the following year. 

Residential customers will see these updates in their water bills beginning with their April 2024 bills. New customers are assigned the city-wide volume average until their winter average is established. Winter averaging will not be used for commercial accounts.

The switch to winter averaging was made when Coppell City Council approved an amendment to the Water and Sewer Regulations ordinance on September 27, 2022. Before moving to winter averaging, the City billed sewer service based on a method that capped billed usage at 13,000 gallons. Since sewer flow is not metered, this caused sewer service billing to spike during summer months when outside watering increased for activities, such as irrigation and pool use. Winter averaging helps remove from a customer’s bill the water used for outdoor activities. Outdoor water usage typically does not flow into the sewer system so removing it from total usage provides a more reasonable estimate of the amount of water from household use that is flowing into the sewer system. Removing outside use from a customer’s sewer service calculation will result in customers’ bills only reflecting water used for household use, and not for irrigation. 

For more information about winter averaging, visit coppelltx.gov/winteraverage.

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