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Did You

  • The cost of one bottle of water from a vending machine is equivalent to the cost of drinking 8 glasses of tap water every day for a year.
  • A gallon of water weighs 8.34 pounds.
  • The Water Authority maintains almost 1500 miles of drinking water pipes. If you put them end-to-end, they would stretch from Roanoke to Colorado Springs, CO.
  • At one drip per second, a faucet can leak 3,000 gallons of water per year.
  • Water is the only substance naturally found on earth as a solid, liquid and gas.
  • Over 713 gallons of water go into the production of one cotton T-shirt.
  • The Authority’s Water Pollution Control Plant is regarded as one of the best bird-watching areas in the mid-Atlantic region.
  • The Water Authority maintains over 6,000 fire hydrants in our service area. Fire hydrants are connected to the public drinking water distribution lines, so water from a fire hydrant is drinking water.
  • There are over 23,000 manholes in our service area.
  • Carvins Cove Natural Reserve is the second largest municipal park in the United States.
  • The Authority’s Water Pollution Control Plant covers over 100 acres of land.
  • More people in the world have a mobile phone than have a toilet.
  • The Water Authority treats 19-million gallons of drinking water a day although we have the capacity to treat 56-million gallons per day.
  • The Authority’s Water Pollution Control Plant treats almost 37-million gallons of wastewater a day from all across the Roanoke Valley.
  • There are 51 drinking water storage tanks in our service area. They each hold between 500,000 – 2-million gallons of water.
  • Most of the treated drinking water used in a home is for toilet flushing.

water drops



Winter Averaging

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Winter Averaging  is a program that calculates residential sewer flow charges based on water consumption during the winter when residential customers historically use the least amount of water.

Residential customers' sanitary sewer volume charges are billed based on winter water consumption.  This billing method averages water consumption for the billing months of January, February and March to calculate a value that is then applied to sewer billing starting in April and for the rest of the year through the next April.  The average functions as a cap on sewer consumption. 

Customers that have consumption below the average are billed at the actual consumption.  Customers that exceed the average are billed at the average.  The average is reset each April with a new value based upon the latest winter data. 

By fixing leaks and keeping water usage low during the months when your average is being calculated, you can help reduce your sewer volume costs all year. We recommend waiting until after your average is calculated (April or later) to fill a pool or irrigate extensively.

Residential sewer customers automatically get to take advantage of this new program - you don’t need to call us to enroll.

For more information on winter averaging, please see our Winter Averaging Brochure.