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Wastewater Averaging
The wastewater averaging cycle that determines wastewater charges begins November 15, 2012. This averaging cycle, which will continued until mid-March 2013, determines wastewater rates for the 2012-2013 service year. Austin Water Utility conducts wastewater averaging for three months in the late fall and winter months because less outdoor water is used during this time; this better determines the actual indoor wastewater amounts that are returned to the wastewater system.
Wastewater is liquid waste discharged by residences, commercial properties, agriculture and industry that contains contaminants. It flows into the sanitary sewer collection system where it flows into the wastewater treatment plants that fully treat the wastewater before discharging it into the Colorado River or using it for the Water Reclamation program.
New Calculation Method
Austin Water calculates wastewater costs based on the amount of water used during three winter billing periods. Beginning this year, wastewater rates will be based on your average water use for all three months. This means the highest month of the wastewater average period will NO LONGER be dropped from the calculation. These three periods occur between mid-November and mid-March of each year. (Note: Months must have water usage to be considered in the averaging calculation.)
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Conserve Now and Lower Your Bill!
You can lower your wastewater costs for the next year by conserving water use during these billing periods. There are many ways residents and businesses can do to conserve water and wastewater. You can also use our online water calculator, utility statement graphs, and online utility usage history table to keep track of your water habits.
Learn More
For more information on wastewater averaging, review our Wastewater Averaging Frequently Asked Questions.
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