Water Source

The source of our water supply varies throughout the year, depending on the season, weather, snowpack level, inflows and water storage conditions.

Our average available supply is 110 million gallons per day. The average use is 55 million gallons per day.

The maximum amount of water available by source is shown below.

  • Green River – 72 million gallons per day
  • 7 North Fork wells (alternative Green River supply) – 84 million gallons per day
  • Local wells – 59 million gallons per day
  • Interruptible Green River supply – 27 million gallons per day

Water Supply Conditions as of May 2019 

With help of above-normal rain in April, the reservoir at Howard Hanson Dam is at full capacity as of May 14. Adequate water supply is expected for people and fish this summer.

To learn more about your water supply, see the following pages:

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