Category: Flooding
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King County DNRP employees continue 24/7 flood response after rapid levee repairs, repurposing trails for emergency responders, treating 2 billion gallons of wastewater
In a wide range of actions that include rapid levee responses, operating the Flood Warning Program, repurposing trails to assist emergency responders, preparing transfer stations for a surge in debris, and treating more than 2 billion gallons of wastewater, King…
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King County taking emergency action along the Green River to reduce flood risks
Dec. 9, 2025, 7:01 p.m. King County crews are installing an emergency flood fighting measure known as a seepage blanket to help stabilize the Desimone Levee and reduce flood risks to nearby communities. The levee, located along the Green River,…
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Staying prepared: learn about King County flood phases and using county resources to be ready this flood season
It’s rainy! The Snoqualmie River is already in flood phase 1, and there is a chance of river and coastal flooding tonight. What does a flood phase mean anyway? Read on to find out. Flooding can happen anywhere it rains,…
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UPDATE: King County Flood Warning Center closes with rainfall easing and river levels dropping
Nov. 1, 20259:15 p.m.With rainfall easing and river levels dropping across eastern King County, the Flood Warning Center closed at 9 p.m. on Saturday, Nov. 1, following an afternoon of closely monitoring minor flooding along the Snoqualmie River. The Flood…
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Healthy floodplains and resilient communities: A discussion with King County Flood Warning Center staff
It’s 4:30 p.m., you’re still at work when you get a flood alert saying the Snoqualmie River has reached phase 2 – minor flooding is expected in low lying areas. Because you know that driving through floodwaters is dangerous, you…
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Don’t be caught off guard: Possible flooding risk early in the King County flood season
Seasonal weather predictions for this fall and winter predict a pattern similar to last year, including, an enhanced risk of snow and possible flooding early in the season, followed by neutral conditions later in winter and early spring. No matter…
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Update : With rainfall amounts decreasing, King County closes Flood Warning Center following brief opening to track minor flood flows along Snoqualmie River
March 27 – 2:45 p.m.Heavy rainfall is easing across eastern King County and river levels are slowly dropping, which means the Flood Warning Center can close following a 10-hour opening to monitor minor flood levels along the Snoqualmie River. The…
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UPDATE: King County closes Flood Warning Center as rivers recede; more minor flooding possible later this week
March 25 – 9 a.m. Heavy rainfall across eastern King County has finally eased and river levels are dropping, which means the Flood Warning Center can close after more than 30 hours of continuous operation. The Flood Warning Center began…
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Update: Flood Warning Center closes after opening in response to atmospheric river
Feb. 23, 6:45 p.m.After a wet weekend, rainfall has eased this evening and flooding conditions have improved in King County. Our Flood Warning Center closed at 6:00 p.m. on Sunday, Feb. 23 after monitoring minor flooding along the Tolt and…
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La Niña predicted to return to King County, prepare for a potentially active flood season
Flooding is the most common natural disaster in King County. Scientists expect that La Niña, a natural weather pattern of cooler and wetter weather, will happen this fall and winter, creating the potential for an active flood season in the…