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.
2025 Flushing:
APRIL
- Tuesday, April 29, 2025 - 3:00 AM to 5:00 PM
- Wednesday, April 30, 2025 - 5:00 AM to 5:00 PM
- Thursday, May 1, 2025 - 6:30 AM to 5:00 PM
- Friday, May 2, 2025 - 6:30 AM to 5:00 PM
OCTOBER
- Monday, October 20, 2025 - 3:00 AM - 4:00 PM
- Tuesday, October 21, 2025 - 5:00 AM to 4:00 PM
- Wednesday, October 22, 2025 - 7:00 AM to 4:00 PM
- Thursday, October 23, 2025 - 7:00 AM to 4:00 PM
- Friday, October 24, 2025 - 7:00 AM to 4:00 PM