The Water Division's goal is to provide safe and reliable water to all customers within the City of Moses Lake service area. The water is monitored and tested on a regular basis to maintain high quality and purity. In addition, the Water Division is responsible for the operation, maintenance, and repair of the water system.

The average production of the water system ranges from 4.1 to 17.1 million gallons per day. The average total production is 3 billion gallons per year.


  • 9 reservoirs
  • 19 deep wells
  • 186.07 miles of water mainline
  • 1,662 fire hydrants
  • 4,801 water-main valves
  • 9,913 water services

The Water Division is dedicated to providing the best service possible. If you have any questions or concerns regarding water quality or the water distribution system, we encourage you to call the Public Works office at (509)764-3951.