Water Division

The Water Division is responsible for the operations and maintenance of (7) wells, (4) reservoirs, and (58) miles of water distribution lines.  They have the responsibility of providing clean, clear, potable water to the citizens of Sunnyside, to maintain that high quality, and deliver it economically and plentifully to the consumer.

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System Flushing

The City of Sunnyside Water Division flushes the water system twice annually. If you have any questions, please contact the Public Works office at (509) 837-5206. Residents may experience dis-colored water during and after flushing. Let water run for a couple minutes and wait for it to clear up. City will send out notices before flushing. 

2021 Flushing:
  • Tuesday, April 20, 2021 - 3:00 AM to 5:00 PM
  • Wednesday, April 21, 2021 5:00 AM to 5:00 PM 
  • Thursday, April 22, 2021 - 6:30 AM to 5:00 PM
  • Friday, April 23, 2021 - 6:30 AM to 5:00 PM 
(Dates to be determined)

Recycling Bin Hours 
7:30 AM - 4:00 PM
(Please note, when recycling bins are full, staff will close gates to prevent the bins from overflowing.)

Emergency After Hours

To report an emergency or need water to be turned off or on after our normal office operating hours please contact the Sunnyside Police Department. "Call Out" fees will be added to your account.