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Hydrograph River at a Glance Download
Tolt River near Carnation River Discharge (kcfs)Stage (ft)Highest Observation: 0.58 kcfs at 7:30AM Mar 29, 2015Highest Observation: 0.58 kcfs at 7:45AM Mar 29, 2015Observed: 0.58 kcfs at 8:00AM Mar 29, 2015Observed: 0.58 kcfs at 8:15AM Mar 29, 2015Observed: 0.58 kcfs at 8:30AM Mar 29, 2015Observed: 0.58 kcfs at 8:45AM Mar 29, 2015Observed: 0.57 kcfs at 9:00AM Mar 29, 2015Observed: 0.57 kcfs at 9:15AM Mar 29, 2015Observed: 0.57 kcfs at 9:30AM Mar 29, 2015Observed: 0.57 kcfs at 9:45AM Mar 29, 2015Observed: 0.57 kcfs at 10:00AM Mar 29, 2015Observed: 0.56 kcfs at 10:15AM Mar 29, 2015Observed: 0.56 kcfs at 10:30AM Mar 29, 2015Observed: 0.56 kcfs at 10:45AM Mar 29, 2015Observed: 0.56 kcfs at 11:00AM Mar 29, 2015Observed: 0.56 kcfs at 11:15AM Mar 29, 2015Observed: 0.56 kcfs at 11:30AM Mar 29, 2015Observed: 0.55 kcfs at 11:45AM Mar 29, 2015Observed: 0.55 kcfs at 12:00PM Mar 29, 2015Observed: 0.55 kcfs at 12:15PM Mar 29, 2015Observed: 0.55 kcfs at 12:30PM Mar 29, 2015Observed: 0.55 kcfs at 12:45PM Mar 29, 2015Observed: 0.55 kcfs at 1:00PM Mar 29, 2015Observed: 0.55 kcfs at 1:15PM Mar 29, 2015Observed: 0.54 kcfs at 1:30PM Mar 29, 2015Observed: 0.54 kcfs at 1:45PM Mar 29, 2015Observed: 0.54 kcfs at 2:00PM Mar 29, 2015Observed: 0.54 kcfs at 2:15PM Mar 29, 2015Observed: 0.54 kcfs at 2:30PM Mar 29, 2015Observed: 0.54 kcfs at 2:45PM Mar 29, 2015Observed: 0.54 kcfs at 3:00PM Mar 29, 2015Observed: 0.53 kcfs at 3:15PM Mar 29, 2015Observed: 0.53 kcfs at 3:30PM Mar 29, 2015Observed: 0.53 kcfs at 3:45PM Mar 29, 2015Observed: 0.53 kcfs at 4:00PM Mar 29, 2015Observed: 0.52 kcfs at 4:15PM Mar 29, 2015Observed: 0.52 kcfs at 4:30PM Mar 29, 2015Observed: 0.52 kcfs at 4:45PM Mar 29, 2015Observed: 0.51 kcfs at 5:00PM Mar 29, 2015Observed: 0.51 kcfs at 5:15PM Mar 29, 2015Observed: 0.51 kcfs at 5:30PM Mar 29, 2015Observed: 0.51 kcfs at 5:45PM Mar 29, 2015Observed: 0.51 kcfs at 6:00PM Mar 29, 2015Observed: 0.51 kcfs at 6:15PM Mar 29, 2015Observed: 0.51 kcfs at 6:30PM Mar 29, 2015Observed: 0.51 kcfs at 6:45PM Mar 29, 2015Observed: 0.51 kcfs at 7:00PM Mar 29, 2015Observed: 0.5 kcfs at 7:15PM Mar 29, 2015Observed: 0.5 kcfs at 7:30PM Mar 29, 2015Observed: 0.5 kcfs at 7:45PM Mar 29, 2015Observed: 0.5 kcfs at 8:00PM Mar 29, 2015Observed: 0.5 kcfs at 8:15PM Mar 29, 2015Observed: 0.5 kcfs at 8:30PM Mar 29, 2015Observed: 0.5 kcfs at 8:45PM Mar 29, 2015Observed: 0.5 kcfs at 9:00PM Mar 29, 2015Observed: 0.5 kcfs at 9:15PM Mar 29, 2015Observed: 0.5 kcfs at 10:15PM Mar 29, 2015Observed: 0.5 kcfs at 11:30PM Mar 29, 2015Observed: 0.5 kcfs at 11:45PM Mar 29, 2015Observed: 0.49 kcfs at 12:00AM Mar 30, 2015Observed: 0.49 kcfs at 12:15AM Mar 30, 2015Observed: 0.49 kcfs at 12:30AM Mar 30, 2015Observed: 0.49 kcfs at 12:45AM Mar 30, 2015Observed: 0.49 kcfs at 1:00AM Mar 30, 2015Observed: 0.49 kcfs at 1:15AM Mar 30, 2015Observed: 0.49 kcfs at 1:30AM Mar 30, 2015Observed: 0.49 kcfs at 1:45AM Mar 30, 2015Observed: 0.49 kcfs at 2:00AM Mar 30, 2015Observed: 0.49 kcfs at 2:15AM Mar 30, 2015Observed: 0.49 kcfs at 2:30AM Mar 30, 2015Observed: 0.48 kcfs at 2:45AM Mar 30, 2015Observed: 0.48 kcfs at 3:00AM Mar 30, 2015Observed: 0.48 kcfs at 3:15AM Mar 30, 2015Observed: 0.48 kcfs at 3:30AM Mar 30, 2015Observed: 0.48 kcfs at 3:45AM Mar 30, 2015Observed: 0.48 kcfs at 4:00AM Mar 30, 2015Observed: 0.48 kcfs at 4:15AM Mar 30, 2015Observed: 0.48 kcfs at 4:30AM Mar 30, 2015Observed: 0.48 kcfs at 4:45AM Mar 30, 2015Observed: 0.48 kcfs at 5:00AM Mar 30, 2015Observed: 0.48 kcfs at 5:15AM Mar 30, 2015Observed: 0.48 kcfs at 5:30AM Mar 30, 2015Observed: 0.48 kcfs at 5:45AM Mar 30, 2015Observed: 0.48 kcfs at 6:00AM Mar 30, 2015Observed: 0.47 kcfs at 6:15AM Mar 30, 2015Observed: 0.47 kcfs at 6:30AM Mar 30, 2015Observed: 0.47 kcfs at 6:45AM Mar 30, 2015Observed: 0.47 kcfs at 7:00AM Mar 30, 2015Observed: 0.47 kcfs at 7:15AM Mar 30, 2015Observed: 0.47 kcfs at 7:30AM Mar 30, 2015Observed: 0.47 kcfs at 7:45AM Mar 30, 2015Observed: 0.47 kcfs at 8:00AM Mar 30, 2015Observed: 0.47 kcfs at 8:15AM Mar 30, 2015Observed: 0.47 kcfs at 8:30AM Mar 30, 2015Observed: 0.47 kcfs at 8:45AM Mar 30, 2015Observed: 0.47 kcfs at 9:00AM Mar 30, 2015Observed: 0.47 kcfs at 9:15AM Mar 30, 2015Observed: 0.47 kcfs at 9:30AM Mar 30, 2015Observed: 0.46 kcfs at 9:45AM Mar 30, 2015Observed: 0.46 kcfs at 10:00AM Mar 30, 2015Observed: 0.46 kcfs at 10:15AM Mar 30, 2015Observed: 0.46 kcfs at 10:30AM Mar 30, 2015Observed: 0.46 kcfs at 10:45AM Mar 30, 2015Observed: 0.46 kcfs at 11:00AM Mar 30, 2015Observed: 0.46 kcfs at 11:15AM Mar 30, 2015Observed: 0.46 kcfs at 11:30AM Mar 30, 2015Observed: 0.46 kcfs at 11:45AM Mar 30, 2015Observed: 0.46 kcfs at 12:00PM Mar 30, 2015Observed: 0.46 kcfs at 12:15PM Mar 30, 2015Observed: 0.46 kcfs at 12:30PM Mar 30, 2015Observed: 0.46 kcfs at 12:45PM Mar 30, 2015Observed: 0.46 kcfs at 1:00PM Mar 30, 2015Observed: 0.45 kcfs at 1:15PM Mar 30, 2015Observed: 0.45 kcfs at 1:30PM Mar 30, 2015Observed: 0.45 kcfs at 1:45PM Mar 30, 2015Observed: 0.45 kcfs at 2:00PM Mar 30, 2015Observed: 0.45 kcfs at 2:15PM Mar 30, 2015Observed: 0.44 kcfs at 2:30PM Mar 30, 2015Observed: 0.44 kcfs at 2:45PM Mar 30, 2015Observed: 0.44 kcfs at 3:00PM Mar 30, 2015Observed: 0.44 kcfs at 3:15PM Mar 30, 2015Observed: 0.44 kcfs at 3:30PM Mar 30, 2015Observed: 0.44 kcfs at 3:45PM Mar 30, 2015Observed: 0.44 kcfs at 4:00PM Mar 30, 2015Observed: 0.44 kcfs at 4:15PM Mar 30, 2015Observed: 0.44 kcfs at 4:30PM Mar 30, 2015Observed: 0.43 kcfs at 4:45PM Mar 30, 2015Observed: 0.43 kcfs at 5:00PM Mar 30, 2015Observed: 0.43 kcfs at 5:15PM Mar 30, 2015Observed: 0.43 kcfs at 5:30PM Mar 30, 2015Observed: 0.43 kcfs at 5:45PM Mar 30, 2015Observed: 0.43 kcfs at 6:00PM Mar 30, 2015Observed: 0.43 kcfs at 6:15PM Mar 30, 2015Observed: 0.43 kcfs at 6:30PM Mar 30, 2015Observed: 0.43 kcfs at 6:45PM Mar 30, 2015Observed: 0.43 kcfs at 7:00PM Mar 30, 2015Observed: 0.43 kcfs at 7:15PM Mar 30, 2015Observed: 0.43 kcfs at 7:30PM Mar 30, 2015Observed: 0.43 kcfs at 7:45PM Mar 30, 2015Observed: 0.43 kcfs at 8:00PM Mar 30, 2015Observed: 0.43 kcfs at 8:15PM Mar 30, 2015Observed: 0.43 kcfs at 8:30PM Mar 30, 2015Observed: 0.43 kcfs at 8:45PM Mar 30, 2015Observed: 0.43 kcfs at 9:00PM Mar 30, 2015Observed: 0.43 kcfs at 9:15PM Mar 30, 2015Observed: 0.43 kcfs at 10:15PM Mar 30, 2015Observed: 0.43 kcfs at 10:30PM Mar 30, 2015Observed: 0.43 kcfs at 10:45PM Mar 30, 2015Observed: 0.42 kcfs at 11:00PM Mar 30, 2015Observed: 0.42 kcfs at 11:15PM Mar 30, 2015Observed: 0.42 kcfs at 11:30PM Mar 30, 2015Observed: 0.42 kcfs at 11:45PM Mar 30, 2015Observed: 0.42 kcfs at 12:00AM Mar 31, 2015Observed: 0.42 kcfs at 12:15AM Mar 31, 2015Observed: 0.42 kcfs at 12:30AM Mar 31, 2015Observed: 0.42 kcfs at 12:45AM Mar 31, 2015Observed: 0.42 kcfs at 1:00AM Mar 31, 2015Observed: 0.42 kcfs at 1:15AM Mar 31, 2015Observed: 0.42 kcfs at 1:30AM Mar 31, 2015Observed: 0.42 kcfs at 1:45AM Mar 31, 2015Observed: 0.42 kcfs at 2:00AM Mar 31, 2015Observed: 0.42 kcfs at 2:15AM Mar 31, 2015Observed: 0.42 kcfs at 2:30AM Mar 31, 2015Observed: 0.42 kcfs at 2:45AM Mar 31, 2015Observed: 0.42 kcfs at 3:00AM Mar 31, 2015Observed: 0.42 kcfs at 3:15AM Mar 31, 2015Observed: 0.42 kcfs at 3:30AM Mar 31, 2015Observed: 0.42 kcfs at 3:45AM Mar 31, 2015Observed: 0.42 kcfs at 4:00AM Mar 31, 2015Observed: 0.42 kcfs at 4:15AM Mar 31, 2015Observed: 0.42 kcfs at 4:30AM Mar 31, 2015Observed: 0.42 kcfs at 4:45AM Mar 31, 2015Observed: 0.42 kcfs at 5:00AM Mar 31, 2015Observed: 0.42 kcfs at 5:15AM Mar 31, 2015Observed: 0.42 kcfs at 5:30AM Mar 31, 2015Observed: 0.42 kcfs at 5:45AM Mar 31, 2015Observed: 0.43 kcfs at 6:00AM Mar 31, 2015Observed: 0.43 kcfs at 6:15AM Mar 31, 2015Observed: 0.44 kcfs at 6:30AM Mar 31, 2015Observed: 0.44 kcfs at 6:45AM Mar 31, 2015Observed: 0.45 kcfs at 7:00AM Mar 31, 2015Observed: 0.45 kcfs at 7:15AM Mar 31, 2015Observed: 0.46 kcfs at 7:30AM Mar 31, 2015Observed: 0.46 kcfs at 7:45AM Mar 31, 2015Observed: 0.47 kcfs at 8:00AM Mar 31, 2015Observed: 0.47 kcfs at 8:15AM Mar 31, 2015Observed: 0.48 kcfs at 8:30AM Mar 31, 2015Observed: 0.48 kcfs at 8:45AM Mar 31, 2015Observed: 0.49 kcfs at 9:00AM Mar 31, 2015Observed: 0.5 kcfs at 9:15AM Mar 31, 2015Observed: 0.5 kcfs at 9:30AM Mar 31, 2015Observed: 0.51 kcfs at 9:45AM Mar 31, 2015Observed: 0.52 kcfs at 10:00AM Mar 31, 2015Observed: 0.52 kcfs at 10:15AM Mar 31, 2015Observed: 0.54 kcfs at 10:30AM Mar 31, 2015Observed: 0.54 kcfs at 10:45AM Mar 31, 2015Observed: 0.55 kcfs at 11:00AM Mar 31, 2015Observed: 0.55 kcfs at 11:15AM Mar 31, 2015Observed: 0.56 kcfs at 11:30AM Mar 31, 2015Observed: 0.56 kcfs at 11:45AM Mar 31, 2015Observed: 0.56 kcfs at 12:00PM Mar 31, 2015Observed: 0.56 kcfs at 12:15PM Mar 31, 2015Observed: 0.56 kcfs at 12:30PM Mar 31, 2015Observed: 0.56 kcfs at 12:45PM Mar 31, 2015Observed: 0.56 kcfs at 1:00PM Mar 31, 2015Observed: 0.57 kcfs at 1:15PM Mar 31, 2015Observed: 0.57 kcfs at 1:30PM Mar 31, 2015Observed: 0.57 kcfs at 1:45PM Mar 31, 2015Observed: 0.57 kcfs at 2:00PM Mar 31, 2015Observed: 0.57 kcfs at 2:15PM Mar 31, 2015Observed: 0.57 kcfs at 2:30PM Mar 31, 2015Observed: 0.57 kcfs at 2:45PM Mar 31, 2015Observed: 0.57 kcfs at 3:00PM Mar 31, 2015Observed: 0.57 kcfs at 3:15PM Mar 31, 2015Observed: 0.57 kcfs at 3:30PM Mar 31, 2015Observed: 0.57 kcfs at 3:45PM Mar 31, 2015Observed: 0.57 kcfs at 4:00PM Mar 31, 2015Observed: 0.57 kcfs at 4:15PM Mar 31, 2015Observed: 0.56 kcfs at 4:30PM Mar 31, 2015Observed: 0.56 kcfs at 4:45PM Mar 31, 2015Observed: 0.56 kcfs at 5:00PM Mar 31, 2015Observed: 0.57 kcfs at 5:15PM Mar 31, 2015Observed: 0.57 kcfs at 5:30PM Mar 31, 2015Observed: 0.57 kcfs at 5:45PM Mar 31, 2015Observed: 0.57 kcfs at 6:00PM Mar 31, 2015Observed: 0.57 kcfs at 6:15PM Mar 31, 2015Observed: 0.56 kcfs at 6:30PM Mar 31, 2015Observed: 0.56 kcfs at 6:45PM Mar 31, 2015Observed: 0.56 kcfs at 7:00PM Mar 31, 2015Observed: 0.56 kcfs at 7:15PM Mar 31, 2015Observed: 0.56 kcfs at 7:30PM Mar 31, 2015Observed: 0.56 kcfs at 7:45PM Mar 31, 2015Observed: 0.56 kcfs at 8:00PM Mar 31, 2015Observed: 0.56 kcfs at 8:15PM Mar 31, 2015Observed: 0.56 kcfs at 8:30PM Mar 31, 2015Observed: 0.56 kcfs at 8:45PM Mar 31, 2015Observed: 0.56 kcfs at 9:00PM Mar 31, 2015Observed: 0.56 kcfs at 9:15PM Mar 31, 2015Observed: 0.56 kcfs at 10:15PM Mar 31, 2015Observed: 0.56 kcfs at 10:30PM Mar 31, 2015Observed: 0.56 kcfs at 10:45PM Mar 31, 2015Observed: 0.56 kcfs at 11:00PM Mar 31, 2015Observed: 0.55 kcfs at 11:15PM Mar 31, 2015Observed: 0.55 kcfs at 11:30PM Mar 31, 2015Observed: 0.55 kcfs at 11:45PM Mar 31, 2015Observed: 0.55 kcfs at 12:00AM Apr 01, 2015Observed: 0.55 kcfs at 12:15AM Apr 01, 2015Observed: 0.55 kcfs at 12:30AM Apr 01, 2015Observed: 0.55 kcfs at 12:45AM Apr 01, 2015Observed: 0.55 kcfs at 1:00AM Apr 01, 2015Observed: 0.55 kcfs at 1:15AM Apr 01, 2015Observed: 0.54 kcfs at 1:30AM Apr 01, 2015Observed: 0.54 kcfs at 1:45AM Apr 01, 2015Observed: 0.54 kcfs at 2:00AM Apr 01, 2015Observed: 0.54 kcfs at 2:15AM Apr 01, 2015Observed: 0.54 kcfs at 2:30AM Apr 01, 2015Observed: 0.54 kcfs at 2:45AM Apr 01, 2015Observed: 0.54 kcfs at 3:00AM Apr 01, 2015Observed: 0.54 kcfs at 3:15AM Apr 01, 2015Observed: 0.53 kcfs at 3:30AM Apr 01, 2015Observed: 0.53 kcfs at 3:45AM Apr 01, 2015Observed: 0.53 kcfs at 4:00AM Apr 01, 2015Observed: 0.53 kcfs at 4:15AM Apr 01, 2015Observed: 0.53 kcfs at 4:30AM Apr 01, 2015Observed: 0.53 kcfs at 4:45AM Apr 01, 2015Observed: 0.53 kcfs at 5:00AM Apr 01, 2015Observed: 0.53 kcfs at 5:15AM Apr 01, 2015Observed: 0.53 kcfs at 5:30AM Apr 01, 2015Observed: 0.53 kcfs at 5:45AM Apr 01, 2015Observed: 0.53 kcfs at 6:00AM Apr 01, 2015Observed: 0.53 kcfs at 6:15AM Apr 01, 2015Highest Forecast: 0.68 kcfs 11:00AM Apr 01, 2015Forecast: 0.64 kcfs 5:00PM Apr 01, 2015Forecast: 0.64 kcfs 11:00PM Apr 01, 2015Forecast: 0.62 kcfs 5:00AM Apr 02, 2015Forecast: 0.6 kcfs 11:00AM Apr 02, 2015Forecast: 0.57 kcfs 5:00PM Apr 02, 2015Forecast: 0.54 kcfs 11:00PM Apr 02, 2015Forecast: 0.53 kcfs 5:00AM Apr 03, 2015Forecast: 0.51 kcfs 11:00AM Apr 03, 2015Forecast: 0.5 kcfs 5:00PM Apr 03, 2015Forecast: 0.54 kcfs 11:00PM Apr 03, 2015Forecast: 0.54 kcfs 5:00AM Apr 04, 2015USGS--Water Resources of the United StatesTOLW1(plotting QRIRV) Graph Created (7:18AM Apr 1, 2015)ObservedForecast (issued 9:13AM Mar 31)Latest observed value: 0.53 kcfs at 6:15 AM PDT 1-Apr-2015. Flood Flow is 5 kcfs
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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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Flood Categories (in KCFS)
Major Flood Flow: 8.5
Moderate Flood Flow: 7
Flood Flow: 5
Action Flow: 0
Low Stage (in feet): 0

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) 6,300 cfs on 02/22/2012
(2) 6,170 cfs on 03/31/2011
(3) 3,820 cfs on 01/21/2011
(4) 4,680 cfs on 01/16/2011
(5) 3,470 cfs on 01/14/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.80 ft 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: NAD83/WGS84

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 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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Page last modified: 12-Feb-2015 9:33 PM
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