Water Quality Reports
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 total production in 2010 was 3 billion gallons.
The water system includes:
19 deep wells
160 miles of water mainline
1,200 fire hydrants
1,600 water-main valves
7,500 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 Water Division at (509) 764-3950 or the Public Works office at (509)764-3951.
Whom do I call with questions on my water bill?
The water smells like "rotten eggs", why and is it safe to use?
The water is an orange/brown color, why and is it safe to use?
Water Division Supervisor
11789 Rd. 4 NE
P.O. Box 1579
Moses Lake, WA 98837
Ph: (509) 764-3948*
Fx: (509) 765-1129
Ph: (509) 764-3715
Ph: (509) 764-3719
Monday - Friday (
7:30 am – 4:00 pm
*In case of a water-related emergency after hours, on weekends or holidays, contact MACC Dispatch (509) 762-1160.
Public Works Calendar
Department of Health - Office of Drinking Water
Washington State Department of Ecology - Water
401 S. Balsam | P.O. Box 1579
Moses Lake, WA 98837 | Ph: (509) 764-3701
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