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Hydrograph River at a Glance Download
Tolt River near Carnation River Discharge (kcfs)Stage (ft)Observed: 0.44 kcfs at 11:00PM Apr 15, 2024Observed: 0.44 kcfs at 11:15PM Apr 15, 2024Observed: 0.44 kcfs at 11:30PM Apr 15, 2024Observed: 0.44 kcfs at 11:45PM Apr 15, 2024Observed: 0.44 kcfs at 12:00AM Apr 16, 2024Observed: 0.44 kcfs at 12:15AM Apr 16, 2024Observed: 0.44 kcfs at 12:30AM Apr 16, 2024Observed: 0.44 kcfs at 12:45AM Apr 16, 2024Observed: 0.44 kcfs at 1:00AM Apr 16, 2024Highest Observation: 0.45 kcfs at 1:15AM Apr 16, 2024Highest Observation: 0.45 kcfs at 1:30AM Apr 16, 2024Highest Observation: 0.45 kcfs at 1:45AM Apr 16, 2024Highest Observation: 0.45 kcfs at 2:00AM Apr 16, 2024Highest Observation: 0.45 kcfs at 2:15AM Apr 16, 2024Highest Observation: 0.45 kcfs at 3:30AM Apr 16, 2024Highest Observation: 0.45 kcfs at 3:45AM Apr 16, 2024Highest Observation: 0.45 kcfs at 4:00AM Apr 16, 2024Highest Observation: 0.45 kcfs at 4:15AM Apr 16, 2024Highest Observation: 0.45 kcfs at 4:30AM Apr 16, 2024Highest Observation: 0.45 kcfs at 4:45AM Apr 16, 2024Highest Observation: 0.45 kcfs at 5:00AM Apr 16, 2024Highest Observation: 0.45 kcfs at 5:15AM Apr 16, 2024Highest Observation: 0.45 kcfs at 5:30AM Apr 16, 2024Observed: 0.44 kcfs at 5:45AM Apr 16, 2024Observed: 0.44 kcfs at 6:00AM Apr 16, 2024Observed: 0.44 kcfs at 6:15AM Apr 16, 2024Observed: 0.44 kcfs at 6:30AM Apr 16, 2024Observed: 0.44 kcfs at 6:45AM Apr 16, 2024Observed: 0.44 kcfs at 7:00AM Apr 16, 2024Observed: 0.44 kcfs at 7:15AM Apr 16, 2024Observed: 0.44 kcfs at 7:30AM Apr 16, 2024Observed: 0.44 kcfs at 7:45AM Apr 16, 2024Observed: 0.44 kcfs at 8:00AM Apr 16, 2024Observed: 0.44 kcfs at 8:15AM Apr 16, 2024Observed: 0.44 kcfs at 8:30AM Apr 16, 2024Observed: 0.44 kcfs at 8:45AM Apr 16, 2024Observed: 0.44 kcfs at 9:00AM Apr 16, 2024Observed: 0.43 kcfs at 9:15AM Apr 16, 2024Observed: 0.43 kcfs at 9:30AM Apr 16, 2024Observed: 0.43 kcfs at 9:45AM Apr 16, 2024Observed: 0.43 kcfs at 10:00AM Apr 16, 2024Observed: 0.43 kcfs at 10:15AM Apr 16, 2024Observed: 0.43 kcfs at 10:30AM Apr 16, 2024Observed: 0.43 kcfs at 10:45AM Apr 16, 2024Observed: 0.43 kcfs at 11:00AM Apr 16, 2024Observed: 0.43 kcfs at 11:15AM Apr 16, 2024Observed: 0.43 kcfs at 11:30AM Apr 16, 2024Observed: 0.43 kcfs at 11:45AM Apr 16, 2024Observed: 0.43 kcfs at 12:00PM Apr 16, 2024Observed: 0.43 kcfs at 12:15PM Apr 16, 2024Observed: 0.43 kcfs at 12:30PM Apr 16, 2024Observed: 0.43 kcfs at 12:45PM Apr 16, 2024Observed: 0.43 kcfs at 1:00PM Apr 16, 2024Observed: 0.43 kcfs at 1:15PM Apr 16, 2024Observed: 0.43 kcfs at 1:30PM Apr 16, 2024Observed: 0.43 kcfs at 1:45PM Apr 16, 2024Observed: 0.42 kcfs at 2:00PM Apr 16, 2024Observed: 0.42 kcfs at 2:15PM Apr 16, 2024Observed: 0.42 kcfs at 2:30PM Apr 16, 2024Observed: 0.42 kcfs at 2:45PM Apr 16, 2024Observed: 0.42 kcfs at 3:00PM Apr 16, 2024Observed: 0.42 kcfs at 3:15PM Apr 16, 2024Observed: 0.42 kcfs at 3:30PM Apr 16, 2024Observed: 0.42 kcfs at 3:45PM Apr 16, 2024Observed: 0.42 kcfs at 4:00PM Apr 16, 2024Observed: 0.42 kcfs at 4:15PM Apr 16, 2024Observed: 0.42 kcfs at 4:30PM Apr 16, 2024Observed: 0.42 kcfs at 4:45PM Apr 16, 2024Observed: 0.42 kcfs at 5:00PM Apr 16, 2024Observed: 0.42 kcfs at 5:15PM Apr 16, 2024Observed: 0.42 kcfs at 5:30PM Apr 16, 2024Observed: 0.42 kcfs at 5:45PM Apr 16, 2024Observed: 0.42 kcfs at 6:00PM Apr 16, 2024Observed: 0.41 kcfs at 6:15PM Apr 16, 2024Observed: 0.41 kcfs at 6:30PM Apr 16, 2024Observed: 0.41 kcfs at 6:45PM Apr 16, 2024Observed: 0.41 kcfs at 7:00PM Apr 16, 2024Observed: 0.41 kcfs at 7:15PM Apr 16, 2024Observed: 0.41 kcfs at 7:30PM Apr 16, 2024Observed: 0.41 kcfs at 7:45PM Apr 16, 2024Observed: 0.41 kcfs at 8:00PM Apr 16, 2024Observed: 0.41 kcfs at 8:15PM Apr 16, 2024Observed: 0.41 kcfs at 8:30PM Apr 16, 2024Observed: 0.41 kcfs at 8:45PM Apr 16, 2024Observed: 0.41 kcfs at 9:00PM Apr 16, 2024Observed: 0.41 kcfs at 9:15PM Apr 16, 2024Observed: 0.41 kcfs at 9:30PM Apr 16, 2024Observed: 0.41 kcfs at 9:45PM Apr 16, 2024Observed: 0.41 kcfs at 10:00PM Apr 16, 2024Observed: 0.41 kcfs at 10:15PM Apr 16, 2024Observed: 0.41 kcfs at 10:30PM Apr 16, 2024Observed: 0.41 kcfs at 10:45PM Apr 16, 2024Observed: 0.41 kcfs at 11:00PM Apr 16, 2024Observed: 0.41 kcfs at 11:15PM Apr 16, 2024Observed: 0.41 kcfs at 11:30PM Apr 16, 2024Observed: 0.41 kcfs at 11:45PM Apr 16, 2024Observed: 0.41 kcfs at 12:00AM Apr 17, 2024Observed: 0.41 kcfs at 12:15AM Apr 17, 2024Observed: 0.41 kcfs at 12:30AM Apr 17, 2024Observed: 0.41 kcfs at 12:45AM Apr 17, 2024Observed: 0.41 kcfs at 1:00AM Apr 17, 2024Observed: 0.41 kcfs at 1:15AM Apr 17, 2024Observed: 0.41 kcfs at 1:30AM Apr 17, 2024Observed: 0.41 kcfs at 1:45AM Apr 17, 2024Observed: 0.41 kcfs at 2:00AM Apr 17, 2024Observed: 0.4 kcfs at 2:15AM Apr 17, 2024Observed: 0.4 kcfs at 2:30AM Apr 17, 2024Observed: 0.4 kcfs at 2:45AM Apr 17, 2024Observed: 0.4 kcfs at 3:00AM Apr 17, 2024Observed: 0.4 kcfs at 3:15AM Apr 17, 2024Observed: 0.4 kcfs at 3:30AM Apr 17, 2024Observed: 0.4 kcfs at 3:45AM Apr 17, 2024Observed: 0.4 kcfs at 4:00AM Apr 17, 2024Observed: 0.4 kcfs at 4:15AM Apr 17, 2024Observed: 0.4 kcfs at 4:30AM Apr 17, 2024Observed: 0.4 kcfs at 4:45AM Apr 17, 2024Observed: 0.4 kcfs at 5:00AM Apr 17, 2024Observed: 0.4 kcfs at 5:15AM Apr 17, 2024Observed: 0.4 kcfs at 5:30AM Apr 17, 2024Observed: 0.4 kcfs at 5:45AM Apr 17, 2024Observed: 0.4 kcfs at 6:00AM Apr 17, 2024Observed: 0.4 kcfs at 6:15AM Apr 17, 2024Observed: 0.4 kcfs at 6:30AM Apr 17, 2024Observed: 0.4 kcfs at 6:45AM Apr 17, 2024Observed: 0.4 kcfs at 7:00AM Apr 17, 2024Observed: 0.4 kcfs at 7:15AM Apr 17, 2024Observed: 0.4 kcfs at 7:30AM Apr 17, 2024Observed: 0.4 kcfs at 7:45AM Apr 17, 2024Observed: 0.4 kcfs at 8:00AM Apr 17, 2024Observed: 0.4 kcfs at 8:15AM Apr 17, 2024Observed: 0.4 kcfs at 8:30AM Apr 17, 2024Observed: 0.4 kcfs at 8:45AM Apr 17, 2024Observed: 0.4 kcfs at 9:00AM Apr 17, 2024Observed: 0.4 kcfs at 9:15AM Apr 17, 2024Observed: 0.4 kcfs at 9:30AM Apr 17, 2024Observed: 0.39 kcfs at 9:45AM Apr 17, 2024Observed: 0.39 kcfs at 10:00AM Apr 17, 2024Observed: 0.39 kcfs at 10:15AM Apr 17, 2024Observed: 0.39 kcfs at 10:30AM Apr 17, 2024Observed: 0.39 kcfs at 10:45AM Apr 17, 2024Observed: 0.39 kcfs at 11:00AM Apr 17, 2024Observed: 0.39 kcfs at 11:15AM Apr 17, 2024Observed: 0.39 kcfs at 11:30AM Apr 17, 2024Observed: 0.39 kcfs at 11:45AM Apr 17, 2024Observed: 0.39 kcfs at 12:00PM Apr 17, 2024Observed: 0.39 kcfs at 12:15PM Apr 17, 2024Observed: 0.39 kcfs at 12:30PM Apr 17, 2024Observed: 0.39 kcfs at 12:45PM Apr 17, 2024Observed: 0.39 kcfs at 1:00PM Apr 17, 2024Observed: 0.39 kcfs at 1:15PM Apr 17, 2024Observed: 0.39 kcfs at 1:30PM Apr 17, 2024Observed: 0.39 kcfs at 1:45PM Apr 17, 2024Observed: 0.38 kcfs at 2:00PM Apr 17, 2024Observed: 0.38 kcfs at 2:15PM Apr 17, 2024Observed: 0.38 kcfs at 2:30PM Apr 17, 2024Observed: 0.38 kcfs at 2:45PM Apr 17, 2024Observed: 0.38 kcfs at 3:00PM Apr 17, 2024Observed: 0.38 kcfs at 3:15PM Apr 17, 2024Observed: 0.38 kcfs at 3:30PM Apr 17, 2024Observed: 0.38 kcfs at 3:45PM Apr 17, 2024Observed: 0.38 kcfs at 4:00PM Apr 17, 2024Observed: 0.38 kcfs at 4:15PM Apr 17, 2024Observed: 0.38 kcfs at 4:30PM Apr 17, 2024Observed: 0.38 kcfs at 4:45PM Apr 17, 2024Observed: 0.38 kcfs at 5:00PM Apr 17, 2024Observed: 0.38 kcfs at 5:15PM Apr 17, 2024Observed: 0.38 kcfs at 5:30PM Apr 17, 2024Observed: 0.38 kcfs at 5:45PM Apr 17, 2024Observed: 0.38 kcfs at 6:00PM Apr 17, 2024Observed: 0.38 kcfs at 6:15PM Apr 17, 2024Observed: 0.38 kcfs at 6:30PM Apr 17, 2024Observed: 0.38 kcfs at 6:45PM Apr 17, 2024Observed: 0.38 kcfs at 7:00PM Apr 17, 2024Observed: 0.38 kcfs at 7:15PM Apr 17, 2024Observed: 0.38 kcfs at 7:30PM Apr 17, 2024Observed: 0.38 kcfs at 7:45PM Apr 17, 2024Observed: 0.38 kcfs at 8:00PM Apr 17, 2024Observed: 0.38 kcfs at 8:15PM Apr 17, 2024Observed: 0.38 kcfs at 8:30PM Apr 17, 2024Observed: 0.38 kcfs at 8:45PM Apr 17, 2024Observed: 0.38 kcfs at 9:00PM Apr 17, 2024Observed: 0.38 kcfs at 9:15PM Apr 17, 2024Observed: 0.38 kcfs at 9:30PM Apr 17, 2024Observed: 0.38 kcfs at 9:45PM Apr 17, 2024Observed: 0.38 kcfs at 10:00PM Apr 17, 2024Observed: 0.38 kcfs at 10:15PM Apr 17, 2024Observed: 0.38 kcfs at 10:30PM Apr 17, 2024Observed: 0.38 kcfs at 10:45PM Apr 17, 2024Observed: 0.38 kcfs at 11:00PM Apr 17, 2024Observed: 0.38 kcfs at 11:15PM Apr 17, 2024Observed: 0.38 kcfs at 11:30PM Apr 17, 2024Observed: 0.38 kcfs at 11:45PM Apr 17, 2024Observed: 0.38 kcfs at 12:00AM Apr 18, 2024Observed: 0.38 kcfs at 12:15AM Apr 18, 2024Observed: 0.38 kcfs at 12:30AM Apr 18, 2024Observed: 0.37 kcfs at 12:45AM Apr 18, 2024Observed: 0.37 kcfs at 1:00AM Apr 18, 2024Observed: 0.37 kcfs at 1:15AM Apr 18, 2024Observed: 0.37 kcfs at 1:30AM Apr 18, 2024Observed: 0.37 kcfs at 1:45AM Apr 18, 2024Observed: 0.37 kcfs at 2:00AM Apr 18, 2024Observed: 0.37 kcfs at 2:15AM Apr 18, 2024Observed: 0.37 kcfs at 2:30AM Apr 18, 2024Observed: 0.37 kcfs at 2:45AM Apr 18, 2024Observed: 0.37 kcfs at 3:00AM Apr 18, 2024Observed: 0.37 kcfs at 3:15AM Apr 18, 2024Observed: 0.37 kcfs at 3:30AM Apr 18, 2024Observed: 0.37 kcfs at 3:45AM Apr 18, 2024Observed: 0.37 kcfs at 4:00AM Apr 18, 2024Observed: 0.37 kcfs at 4:15AM Apr 18, 2024Observed: 0.37 kcfs at 4:30AM Apr 18, 2024Observed: 0.37 kcfs at 4:45AM Apr 18, 2024Observed: 0.37 kcfs at 5:00AM Apr 18, 2024Observed: 0.37 kcfs at 5:15AM Apr 18, 2024Observed: 0.37 kcfs at 5:30AM Apr 18, 2024Observed: 0.37 kcfs at 5:45AM Apr 18, 2024Observed: 0.37 kcfs at 6:00AM Apr 18, 2024Observed: 0.37 kcfs at 6:15AM Apr 18, 2024Observed: 0.37 kcfs at 6:30AM Apr 18, 2024Observed: 0.37 kcfs at 6:45AM Apr 18, 2024Observed: 0.37 kcfs at 7:00AM Apr 18, 2024Observed: 0.37 kcfs at 7:15AM Apr 18, 2024Observed: 0.37 kcfs at 7:30AM Apr 18, 2024Observed: 0.37 kcfs at 7:45AM Apr 18, 2024Observed: 0.37 kcfs at 8:00AM Apr 18, 2024Observed: 0.37 kcfs at 8:15AM Apr 18, 2024Observed: 0.37 kcfs at 8:30AM Apr 18, 2024Observed: 0.37 kcfs at 8:45AM Apr 18, 2024Observed: 0.37 kcfs at 9:00AM Apr 18, 2024Observed: 0.36 kcfs at 9:15AM Apr 18, 2024Observed: 0.36 kcfs at 9:30AM Apr 18, 2024Observed: 0.36 kcfs at 9:45AM Apr 18, 2024Observed: 0.36 kcfs at 10:00AM Apr 18, 2024Observed: 0.36 kcfs at 10:15AM Apr 18, 2024Observed: 0.36 kcfs at 10:30AM Apr 18, 2024Observed: 0.36 kcfs at 10:45AM Apr 18, 2024Observed: 0.36 kcfs at 11:00AM Apr 18, 2024Observed: 0.36 kcfs at 11:15AM Apr 18, 2024Observed: 0.36 kcfs at 11:30AM Apr 18, 2024Observed: 0.36 kcfs at 11:45AM Apr 18, 2024Observed: 0.36 kcfs at 12:00PM Apr 18, 2024Observed: 0.36 kcfs at 12:15PM Apr 18, 2024Observed: 0.36 kcfs at 12:30PM Apr 18, 2024Observed: 0.36 kcfs at 12:45PM Apr 18, 2024Observed: 0.36 kcfs at 1:00PM Apr 18, 2024Observed: 0.36 kcfs at 1:15PM Apr 18, 2024Observed: 0.36 kcfs at 1:30PM Apr 18, 2024Observed: 0.36 kcfs at 1:45PM Apr 18, 2024Observed: 0.36 kcfs at 2:00PM Apr 18, 2024Observed: 0.36 kcfs at 2:15PM Apr 18, 2024Observed: 0.36 kcfs at 2:30PM Apr 18, 2024Observed: 0.36 kcfs at 2:45PM Apr 18, 2024Observed: 0.36 kcfs at 3:00PM Apr 18, 2024Observed: 0.36 kcfs at 3:15PM Apr 18, 2024Observed: 0.36 kcfs at 3:30PM Apr 18, 2024Observed: 0.36 kcfs at 3:45PM Apr 18, 2024Observed: 0.36 kcfs at 4:00PM Apr 18, 2024Observed: 0.36 kcfs at 4:15PM Apr 18, 2024Observed: 0.36 kcfs at 4:30PM Apr 18, 2024Observed: 0.36 kcfs at 4:45PM Apr 18, 2024Observed: 0.36 kcfs at 5:00PM Apr 18, 2024Observed: 0.36 kcfs at 5:15PM Apr 18, 2024Observed: 0.36 kcfs at 5:30PM Apr 18, 2024Observed: 0.36 kcfs at 5:45PM Apr 18, 2024Observed: 0.36 kcfs at 6:00PM Apr 18, 2024Observed: 0.36 kcfs at 6:15PM Apr 18, 2024Observed: 0.36 kcfs at 6:30PM Apr 18, 2024Observed: 0.36 kcfs at 6:45PM Apr 18, 2024Observed: 0.36 kcfs at 7:00PM Apr 18, 2024Observed: 0.36 kcfs at 7:15PM Apr 18, 2024Observed: 0.36 kcfs at 7:30PM Apr 18, 2024Observed: 0.36 kcfs at 7:45PM Apr 18, 2024Observed: 0.36 kcfs at 8:00PM Apr 18, 2024Observed: 0.35 kcfs at 8:15PM Apr 18, 2024Observed: 0.35 kcfs at 8:30PM Apr 18, 2024Observed: 0.35 kcfs at 8:45PM Apr 18, 2024Observed: 0.35 kcfs at 9:00PM Apr 18, 2024Observed: 0.35 kcfs at 9:15PM Apr 18, 2024Forecast: 0.35 kcfs 11:00PM Apr 18, 2024Forecast: 0.35 kcfs 5:00AM Apr 19, 2024Forecast: 0.35 kcfs 11:00AM Apr 19, 2024Forecast: 0.34 kcfs 5:00PM Apr 19, 2024Forecast: 0.34 kcfs 11:00PM Apr 19, 2024Forecast: 0.34 kcfs 5:00AM Apr 20, 2024Forecast: 0.34 kcfs 11:00AM Apr 20, 2024Forecast: 0.34 kcfs 5:00PM Apr 20, 2024Forecast: 0.37 kcfs 11:00PM Apr 20, 2024Forecast: 0.43 kcfs 5:00AM Apr 21, 2024Forecast: 0.47 kcfs 11:00AM Apr 21, 2024Highest Forecast: 0.48 kcfs 5:00PM Apr 21, 2024Forecast: 0.47 kcfs 11:00PM Apr 21, 2024Forecast: 0.45 kcfs 5:00AM Apr 22, 2024Forecast: 0.43 kcfs 11:00AM Apr 22, 2024Forecast: 0.41 kcfs 5:00PM Apr 22, 2024Forecast: 0.39 kcfs 11:00PM Apr 22, 2024Forecast: 0.38 kcfs 5:00AM Apr 23, 2024Forecast: 0.37 kcfs 11:00AM Apr 23, 2024Forecast: 0.37 kcfs 5:00PM Apr 23, 2024Forecast: 0.36 kcfs 11:00PM Apr 23, 2024Forecast: 0.36 kcfs 5:00AM Apr 24, 2024Forecast: 0.36 kcfs 11:00AM Apr 24, 2024Forecast: 0.36 kcfs 5:00PM Apr 24, 2024Forecast: 0.37 kcfs 11:00PM Apr 24, 2024Forecast: 0.38 kcfs 5:00AM Apr 25, 2024Forecast: 0.39 kcfs 11:00AM Apr 25, 2024Forecast: 0.39 kcfs 5:00PM Apr 25, 2024USGS--Water Resources of the United StatesTOLW1(plotting QRIRZ) Graph Created (10:50PM Apr 18, 2024)ObservedForecast (issued 2:41PM Apr 18)Latest observed value: 0.35 kcfs at 9:15 PM PDT 18-Apr-2024. Flood Flow is 5 kcfs
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Tolt River near Carnation are issued routinely year-round.

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Downstream Gauge Downstream Gauge - near Carnation
Flood Categories (in KCFS)
Major Flood Flow: 8.5
Moderate Flood Flow: 7
Flood Flow: 5
Action Flow: 3.3
Low Stage (in feet): -9999

Historic Crests
(1) 17,400 cfs on 12/15/1959
(2) 16,800 cfs on 02/09/1951
(3) 15,000 cfs on 12/11/1955
(4) 13,800 cfs on 01/08/2009
(5) 12,700 cfs on 01/07/1945
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9,550 cfs on 11/04/2022 (P)
(2) 6,190 cfs on 01/12/2022 (P)
(3) 4,770 cfs on 02/22/2021 (P)
(4) 4,190 cfs on 01/12/2021 (P)
(5) 5,800 cfs on 02/06/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 53 cfs on 09/23/1951
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
10500 the Tolt River will cause severe flooding. Dangerously deep and quick flood waters will cover roads and driveways...with some homes flooded. The river will likely overtop some levees. Erosion could cause serious damage and channel changes may occur. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Tolt River Basin. This river level on the Tolt corresponds to a phase 4 flood in the King County flood system.
8500 the Tolt River will cause major flooding. Deep and quick flood waters will cover roads and driveways...cutting off access to many homes. Levees may overtop and channel changes may occur. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Tolt River Basin. This river level on the Tolt corresponds to a phase 4 flood in the King County flood system.
5000 the Tolt River will flood Tolt River Rd NE and many driveways. Some homes in the San Souci area could be inaccessible due to deep and quick flood waters. This river level on the Tolt corresponds to a phase 3 flood in the King County flood system.
3500 the Tolt River will spill over its banks with water over 353rd Ave NE and some driveways in the San Souci area. This river level on the Tolt corresponds to a phase 2 flood in the King County flood system.
About This Location Collapse

Latitude: 47.695833° N, Longitude: 121.822778° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS flow Not Available Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 348 ft Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
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