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Hydrograph River at a Glance Download
Matanzas Creek at Santa Rosa Stage (ft)USGS--Water Resources of the United StatesMZSC1(plotting HGIRG) Graph Created (3:15AM May 13, 2021)ObservedLatest observed value: 155.13 ft at 1:00 PM PDT 5-May-2021. Flood Stage is 173.3 ft
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NOTE: Graphical forecasts are not available for the Matanzas Creek at Santa Rosa. 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: 176
Moderate Flood Stage: 174.5
Flood Stage: 173.3
Action Stage: 171
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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.
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176 Major Flooding. Brookwood Avenue and adjacent residences and businesses under several feet of water.
174.5 Moderate Flood Stage. Brookwood Avenue and adjacent businesses and residences under 1 foot of water or more. NWS will issue a Flash Flood Warning, if not yet already issued.
173.3 Minor Flooding. Water levels have reached the left bank floodplain and Brookwood Avenue may begin to flood. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
171 Monitor Stage. Water level is approximately 2.3 feet below flooding onto Brookwood Avenue and adjacent businesses and residences. NWS may issue a Flash Flood Watch, if not yet already issued.
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Latitude: 38.438801° N, Longitude: 122.702487° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 173.3 ft 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 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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