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Hydrograph River at a Glance Download
San Tomas Aquino Creek above Williams Road Stage (ft)Observed: 1.28 ft at 5:21PM Mar 13, 2018Observed: 1.37 ft at 1:21AM Mar 14, 2018Observed: 1.18 ft at 9:15AM Mar 14, 2018Observed: 2.17 ft at 12:30PM Mar 14, 2018Highest Observation: 2.98 ft at 1:00PM Mar 14, 2018Observed: 2.37 ft at 2:00PM Mar 14, 2018Observed: 1.87 ft at 4:00PM Mar 14, 2018Observed: 1.67 ft at 5:21PM Mar 14, 2018Observed: 1.36 ft at 10:15PM Mar 14, 2018Observed: 1.3 ft at 1:21AM Mar 15, 2018Observed: 1.23 ft at 9:21AM Mar 15, 2018Observed: 1.2 ft at 5:21PM Mar 15, 2018Observed: 1.69 ft at 1:21AM Mar 16, 2018Observed: 1.69 ft at 9:21AM Mar 16, 2018Observed: 1.48 ft at 5:21PM Mar 16, 2018Observed: 1.44 ft at 1:21AM Mar 17, 2018Observed: 1.31 ft at 9:21AM Mar 17, 2018Observed: 1.88 ft at 3:30PM Mar 17, 2018Observed: 1.71 ft at 5:21PM Mar 17, 2018Observed: 1.41 ft at 1:21AM Mar 18, 2018Observed: 1.38 ft at 3:00AM Mar 18, 2018Observed: 1.32 ft at 9:21AM Mar 18, 2018SCVWD-Santa Clara Valley Water DistrictTMSC1(plotting HGIRR) Graph Created (3:45PM Mar 18, 2018)ObservedLatest observed value: 1.32 ft at 9:21 AM PDT 18-Mar-2018.
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Tabular Data (UTC)
Tabular Data (PDT)
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Datum: Not Available
NOTE: Graphical forecasts are not available for the San Tomas Aquino Creek above Williams Road. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 6.7
Flood Stage: 0
Action Stage: 5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
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.
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Latitude: 37.306600° N, Longitude: 121.964100° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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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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Monterey, CA 93943-5505
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Page last modified: 21-Dec-2016 10:35 PM
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