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Hydrograph River at a Glance Download
Petaluma River at D Street Bridge Stage (ft)Observed: 5.81 ft at 12:50AM May 21, 2022Observed: 5.96 ft at 1:00AM May 21, 2022Observed: 6.18 ft at 1:23AM May 21, 2022Observed: 6.43 ft at 1:48AM May 21, 2022Observed: 6.53 ft at 2:00AM May 21, 2022Observed: 6.76 ft at 3:00AM May 21, 2022Observed: 6.56 ft at 3:45AM May 21, 2022Observed: 6.41 ft at 4:00AM May 21, 2022Observed: 6.11 ft at 4:18AM May 21, 2022Observed: 5.73 ft at 4:35AM May 21, 2022Observed: 5.49 ft at 4:43AM May 21, 2022Observed: 5.06 ft at 5:00AM May 21, 2022Observed: 4.79 ft at 5:08AM May 21, 2022Observed: 4.56 ft at 5:13AM May 21, 2022Observed: 4.36 ft at 5:25AM May 21, 2022Observed: 4.14 ft at 5:33AM May 21, 2022Observed: 3.87 ft at 5:41AM May 21, 2022Observed: 3.64 ft at 5:50AM May 21, 2022Observed: 3.39 ft at 5:58AM May 21, 2022Observed: 3.42 ft at 6:00AM May 21, 2022Observed: 3.17 ft at 6:06AM May 21, 2022Observed: 2.94 ft at 6:15AM May 21, 2022Observed: 2.59 ft at 6:31AM May 21, 2022Observed: 2.37 ft at 6:40AM May 21, 2022Observed: 2.34 ft at 7:00AM May 21, 2022Observed: 2.34 ft at 8:00AM May 21, 2022Observed: 2.37 ft at 9:00AM May 21, 2022Observed: 2.37 ft at 10:00AM May 21, 2022Observed: 2.37 ft at 11:00AM May 21, 2022Observed: 2.37 ft at 12:00PM May 21, 2022Observed: 2.39 ft at 1:00PM May 21, 2022Observed: 2.49 ft at 2:00PM May 21, 2022Observed: 2.82 ft at 2:10PM May 21, 2022Observed: 3.17 ft at 2:18PM May 21, 2022Observed: 3.44 ft at 2:26PM May 21, 2022Observed: 3.69 ft at 2:35PM May 21, 2022Observed: 3.96 ft at 2:43PM May 21, 2022Observed: 4.19 ft at 2:51PM May 21, 2022Observed: 4.46 ft at 3:00PM May 21, 2022Observed: 4.76 ft at 3:16PM May 21, 2022Observed: 4.99 ft at 3:25PM May 21, 2022Observed: 5.26 ft at 3:41PM May 21, 2022Observed: 5.46 ft at 4:00PM May 21, 2022Observed: 5.66 ft at 4:23PM May 21, 2022Observed: 5.86 ft at 4:56PM May 21, 2022Observed: 5.88 ft at 5:00PM May 21, 2022Observed: 5.83 ft at 6:00PM May 21, 2022Observed: 5.51 ft at 6:36PM May 21, 2022Observed: 5.26 ft at 6:53PM May 21, 2022Observed: 5.21 ft at 7:00PM May 21, 2022Observed: 4.69 ft at 7:26PM May 21, 2022Observed: 4.14 ft at 7:51PM May 21, 2022Observed: 3.94 ft at 8:00PM May 21, 2022Observed: 3.62 ft at 8:16PM May 21, 2022Observed: 3.29 ft at 8:33PM May 21, 2022Observed: 3.04 ft at 8:50PM May 21, 2022Observed: 2.89 ft at 9:00PM May 21, 2022Observed: 2.67 ft at 9:15PM May 21, 2022Observed: 2.44 ft at 9:31PM May 21, 2022Observed: 2.34 ft at 10:00PM May 21, 2022Observed: 2.34 ft at 11:00PM May 21, 2022Observed: 2.54 ft at 11:28PM May 21, 2022Observed: 2.74 ft at 11:36PM May 21, 2022Observed: 3.04 ft at 11:53PM May 21, 2022Observed: 3.17 ft at 12:00AM May 22, 2022Observed: 3.49 ft at 12:18AM May 22, 2022Observed: 3.74 ft at 12:35AM May 22, 2022Observed: 3.94 ft at 12:43AM May 22, 2022Observed: 4.21 ft at 1:00AM May 22, 2022Observed: 4.49 ft at 1:16AM May 22, 2022Observed: 4.74 ft at 1:33AM May 22, 2022Observed: 5.01 ft at 1:50AM May 22, 2022Observed: 5.16 ft at 2:00AM May 22, 2022Observed: 5.39 ft at 2:23AM May 22, 2022Observed: 5.64 ft at 2:40AM May 22, 2022Observed: 5.86 ft at 2:56AM May 22, 2022Observed: 5.93 ft at 3:00AM May 22, 2022Observed: 6.13 ft at 3:46AM May 22, 2022Observed: 5.86 ft at 4:53AM May 22, 2022Observed: 5.78 ft at 5:00AM May 22, 2022Observed: 5.46 ft at 5:18AM May 22, 2022Observed: 5.11 ft at 5:35AM May 22, 2022Observed: 4.91 ft at 5:43AM May 22, 2022Observed: 4.54 ft at 6:00AM May 22, 2022Observed: 4.29 ft at 6:08AM May 22, 2022Observed: 4.04 ft at 6:16AM May 22, 2022Observed: 3.84 ft at 6:25AM May 22, 2022Observed: 3.62 ft at 6:33AM May 22, 2022Observed: 3.42 ft at 6:41AM May 22, 2022Observed: 3.04 ft at 6:58AM May 22, 2022Observed: 3.02 ft at 7:00AM May 22, 2022Observed: 2.64 ft at 7:15AM May 22, 2022Observed: 2.32 ft at 7:31AM May 22, 2022Observed: 2.37 ft at 8:00AM May 22, 2022Observed: 2.34 ft at 9:00AM May 22, 2022Observed: 2.37 ft at 10:00AM May 22, 2022Observed: 2.34 ft at 11:00AM May 22, 2022Observed: 2.37 ft at 12:00PM May 22, 2022Observed: 2.34 ft at 1:00PM May 22, 2022Observed: 2.34 ft at 2:00PM May 22, 2022Observed: 2.59 ft at 3:00PM May 22, 2022Observed: 2.94 ft at 3:10PM May 22, 2022Observed: 3.17 ft at 3:18PM May 22, 2022Observed: 3.49 ft at 3:26PM May 22, 2022Observed: 3.77 ft at 3:35PM May 22, 2022Observed: 3.99 ft at 3:43PM May 22, 2022Observed: 4.26 ft at 3:51PM May 22, 2022Observed: 4.46 ft at 4:00PM May 22, 2022Observed: 4.79 ft at 4:16PM May 22, 2022Observed: 5.01 ft at 4:33PM May 22, 2022Observed: 5.26 ft at 5:00PM May 22, 2022Observed: 5.51 ft at 5:23PM May 22, 2022Observed: 5.81 ft at 5:40PM May 22, 2022Observed: 5.91 ft at 7:00PM May 22, 2022Observed: 5.68 ft at 7:28PM May 22, 2022Observed: 5.34 ft at 7:53PM May 22, 2022Observed: 5.26 ft at 8:00PM May 22, 2022Observed: 5.06 ft at 8:10PM May 22, 2022Observed: 4.74 ft at 8:26PM May 22, 2022Observed: 4.51 ft at 8:35PM May 22, 2022Observed: 4.31 ft at 8:43PM May 22, 2022Observed: 4.04 ft at 8:51PM May 22, 2022Observed: 3.89 ft at 9:00PM May 22, 2022Observed: 3.69 ft at 9:08PM May 22, 2022Observed: 3.49 ft at 9:16PM May 22, 2022Observed: 3.14 ft at 9:33PM May 22, 2022Observed: 2.84 ft at 9:50PM May 22, 2022Observed: 2.67 ft at 10:00PM May 22, 2022Observed: 2.37 ft at 10:15PM May 22, 2022Observed: 2.37 ft at 11:00PM May 22, 2022Observed: 2.34 ft at 12:00AM May 23, 2022Observed: 2.37 ft at 1:00AM May 23, 2022Observed: 2.67 ft at 1:26AM May 23, 2022Observed: 2.99 ft at 1:43AM May 23, 2022Observed: 3.29 ft at 2:00AM May 23, 2022Observed: 3.49 ft at 2:16AM May 23, 2022Observed: 3.74 ft at 2:33AM May 23, 2022Observed: 4.06 ft at 2:50AM May 23, 2022Observed: 4.29 ft at 3:00AM May 23, 2022Observed: 4.49 ft at 3:15AM May 23, 2022Observed: 4.76 ft at 3:31AM May 23, 2022Observed: 5.04 ft at 3:48AM May 23, 2022Observed: 5.19 ft at 4:00AM May 23, 2022Observed: 5.39 ft at 4:30AM May 23, 2022Observed: 5.59 ft at 5:00AM May 23, 2022Observed: 5.49 ft at 6:00AM May 23, 2022Observed: 5.16 ft at 6:18AM May 23, 2022Observed: 4.86 ft at 6:35AM May 23, 2022Observed: 4.54 ft at 6:51AM May 23, 2022Observed: 4.36 ft at 7:00AM May 23, 2022Observed: 4.14 ft at 7:08AM May 23, 2022Observed: 3.92 ft at 7:16AM May 23, 2022Observed: 3.57 ft at 7:33AM May 23, 2022Observed: 3.24 ft at 7:50AM May 23, 2022Observed: 3.04 ft at 7:58AM May 23, 2022Observed: 2.84 ft at 8:06AM May 23, 2022Observed: 2.52 ft at 8:23AM May 23, 2022Observed: 2.32 ft at 8:31AM May 23, 2022Observed: 2.34 ft at 10:00AM May 23, 2022Observed: 2.34 ft at 1:00PM May 23, 2022Observed: 2.39 ft at 2:00PM May 23, 2022Observed: 2.37 ft at 3:00PM May 23, 2022Observed: 2.72 ft at 3:36PM May 23, 2022Observed: 2.99 ft at 3:45PM May 23, 2022Observed: 3.24 ft at 3:53PM May 23, 2022Observed: 3.57 ft at 4:00PM May 23, 2022Observed: 3.87 ft at 4:10PM May 23, 2022Observed: 4.09 ft at 4:18PM May 23, 2022Observed: 4.36 ft at 4:26PM May 23, 2022Observed: 4.74 ft at 4:43PM May 23, 2022Observed: 4.94 ft at 4:51PM May 23, 2022Observed: 5.09 ft at 5:00PM May 23, 2022Observed: 5.39 ft at 5:16PM May 23, 2022Observed: 5.68 ft at 5:41PM May 23, 2022Observed: 5.93 ft at 5:58PM May 23, 2022Observed: 6.03 ft at 6:00PM May 23, 2022Observed: 6.23 ft at 6:23PM May 23, 2022Observed: 6.33 ft at 7:00PM May 23, 2022Observed: 6.26 ft at 8:00PM May 23, 2022Observed: 5.93 ft at 8:28PM May 23, 2022Observed: 5.66 ft at 8:45PM May 23, 2022Observed: 5.34 ft at 9:00PM May 23, 2022Observed: 5.11 ft at 9:10PM May 23, 2022Observed: 4.71 ft at 9:26PM May 23, 2022Observed: 4.29 ft at 9:43PM May 23, 2022Observed: 4.09 ft at 9:51PM May 23, 2022Observed: 3.89 ft at 10:00PM May 23, 2022Observed: 3.64 ft at 10:08PM May 23, 2022Observed: 3.27 ft at 10:24PM May 23, 2022Observed: 3.07 ft at 10:33PM May 23, 2022Observed: 2.74 ft at 10:50PM May 23, 2022Observed: 2.57 ft at 11:00PM May 23, 2022Observed: 2.34 ft at 11:15PM May 23, 2022Observed: 2.34 ft at 12:00AM May 24, 2022Observed: 2.34 ft at 1:00AM May 24, 2022Observed: 2.37 ft at 2:00AM May 24, 2022Observed: 2.49 ft at 3:00AM May 24, 2022Observed: 2.79 ft at 3:16AM May 24, 2022Observed: 3.04 ft at 3:33AM May 24, 2022Observed: 3.29 ft at 3:41AM May 24, 2022Observed: 3.64 ft at 3:58AM May 24, 2022Observed: 3.67 ft at 4:00AM May 24, 2022Observed: 3.96 ft at 4:15AM May 24, 2022Observed: 4.29 ft at 4:31AM May 24, 2022Observed: 4.59 ft at 4:48AM May 24, 2022Observed: 4.79 ft at 5:00AM May 24, 2022Observed: 5.09 ft at 5:21AM May 24, 2022Observed: 5.29 ft at 5:46AM May 24, 2022Observed: 5.41 ft at 6:00AM May 24, 2022Observed: 5.49 ft at 7:00AM May 24, 2022Observed: 5.29 ft at 7:18AM May 24, 2022Observed: 5.04 ft at 7:43AM May 24, 2022Observed: 4.76 ft at 8:00AM May 24, 2022Observed: 4.39 ft at 8:16AM May 24, 2022Observed: 4.19 ft at 8:25AM May 24, 2022Observed: 3.99 ft at 8:33AM May 24, 2022Observed: 3.79 ft at 8:41AM May 24, 2022Observed: 3.42 ft at 8:58AM May 24, 2022Observed: 3.44 ft at 9:00AM May 24, 2022Observed: 3.09 ft at 9:15AM May 24, 2022Observed: 2.77 ft at 9:31AM May 24, 2022Observed: 2.42 ft at 9:48AM May 24, 2022Observed: 2.34 ft at 10:00AM May 24, 2022Observed: 2.42 ft at 11:00AM May 24, 2022Observed: 2.44 ft at 12:00PM May 24, 2022Observed: 2.42 ft at 1:00PM May 24, 2022Observed: 2.44 ft at 2:00PM May 24, 2022Observed: 2.42 ft at 3:00PM May 24, 2022Observed: 2.57 ft at 4:00PM May 24, 2022Observed: 2.94 ft at 4:11PM May 24, 2022Observed: 3.19 ft at 4:20PM May 24, 2022Observed: 3.49 ft at 4:28PM May 24, 2022Observed: 3.74 ft at 4:36PM May 24, 2022Observed: 3.96 ft at 4:45PM May 24, 2022Observed: 4.24 ft at 4:53PM May 24, 2022Observed: 4.46 ft at 5:00PM May 24, 2022Observed: 4.69 ft at 5:10PM May 24, 2022Observed: 4.94 ft at 5:18PM May 24, 2022Observed: 5.26 ft at 5:35PM May 24, 2022Observed: 5.68 ft at 6:00PM May 24, 2022Observed: 5.93 ft at 6:16PM May 24, 2022Observed: 6.18 ft at 6:33PM May 24, 2022Observed: 6.38 ft at 6:58PM May 24, 2022Observed: 6.46 ft at 7:00PM May 24, 2022Observed: 6.63 ft at 8:00PM May 24, 2022Observed: 6.48 ft at 9:00PM May 24, 2022Observed: 6.26 ft at 9:20PM May 24, 2022Observed: 5.96 ft at 9:36PM May 24, 2022Observed: 5.76 ft at 9:45PM May 24, 2022Observed: 5.56 ft at 9:53PM May 24, 2022Observed: 5.39 ft at 10:00PM May 24, 2022Observed: 5.09 ft at 10:10PM May 24, 2022Observed: 4.86 ft at 10:18PM May 24, 2022Observed: 4.64 ft at 10:26PM May 24, 2022Observed: 4.44 ft at 10:35PM May 24, 2022Observed: 4.19 ft at 10:43PM May 24, 2022Observed: 3.96 ft at 10:51PM May 24, 2022Observed: 3.69 ft at 11:00PM May 24, 2022Observed: 3.49 ft at 11:08PM May 24, 2022Observed: 3.29 ft at 11:16PM May 24, 2022Observed: 3.09 ft at 11:25PM May 24, 2022Observed: 2.87 ft at 11:33PM May 24, 2022Observed: 2.64 ft at 11:41PM May 24, 2022Observed: 2.44 ft at 11:50PM May 24, 2022Observed: 2.37 ft at 12:00AM May 25, 2022Observed: 2.37 ft at 1:00AM May 25, 2022Observed: 2.34 ft at 2:00AM May 25, 2022Observed: 2.37 ft at 3:00AM May 25, 2022Observed: 2.34 ft at 4:00AM May 25, 2022Observed: 2.59 ft at 4:41AM May 25, 2022Observed: 2.79 ft at 4:50AM May 25, 2022Observed: 3.07 ft at 5:00AM May 25, 2022Observed: 3.42 ft at 5:15AM May 25, 2022Observed: 3.84 ft at 5:31AM May 25, 2022Observed: 4.19 ft at 5:48AM May 25, 2022Observed: 4.39 ft at 5:56AM May 25, 2022Observed: 4.46 ft at 6:00AM May 25, 2022Observed: 4.69 ft at 6:13AM May 25, 2022Observed: 4.91 ft at 6:21AM May 25, 2022Observed: 5.11 ft at 6:38AM May 25, 2022Observed: 5.36 ft at 7:00AM May 25, 2022Observed: 5.56 ft at 7:36AM May 25, 2022Observed: 5.59 ft at 8:00AM May 25, 2022Observed: 5.34 ft at 8:43AM May 25, 2022Observed: 5.21 ft at 9:00AM May 25, 2022Observed: 4.96 ft at 9:16AM May 25, 2022Observed: 4.66 ft at 9:33AM May 25, 2022Observed: 4.31 ft at 9:50AM May 25, 2022Observed: 4.09 ft at 9:58AM May 25, 2022Observed: 3.74 ft at 10:15AM May 25, 2022Observed: 3.54 ft at 10:23AM May 25, 2022Observed: 3.22 ft at 10:40AM May 25, 2022Observed: 3.02 ft at 10:48AM May 25, 2022Observed: 2.82 ft at 10:56AM May 25, 2022Observed: 2.74 ft at 11:00AM May 25, 2022Observed: 2.44 ft at 11:13AM May 25, 2022Observed: 2.37 ft at 12:00PM May 25, 2022Observed: 2.39 ft at 1:00PM May 25, 2022Observed: 2.42 ft at 2:00PM May 25, 2022Observed: 2.44 ft at 3:00PM May 25, 2022Observed: 2.42 ft at 4:00PM May 25, 2022Observed: 2.77 ft at 4:13PM May 25, 2022Observed: 3.02 ft at 4:21PM May 25, 2022Observed: 3.22 ft at 4:30PM May 25, 2022Observed: 3.57 ft at 4:38PM May 25, 2022Observed: 3.79 ft at 4:46PM May 25, 2022Observed: 3.99 ft at 4:55PM May 25, 2022Observed: 4.16 ft at 5:00PM May 25, 2022Observed: 4.46 ft at 5:11PM May 25, 2022Observed: 4.89 ft at 5:28PM May 25, 2022Observed: 5.09 ft at 5:36PM May 25, 2022Observed: 5.29 ft at 5:45PM May 25, 2022Observed: 5.56 ft at 6:00PM May 25, 2022Observed: 5.83 ft at 6:18PM May 25, 2022Observed: 6.13 ft at 6:34PM May 25, 2022Observed: 6.38 ft at 6:51PM May 25, 2022Observed: 6.51 ft at 7:00PM May 25, 2022Observed: 6.76 ft at 8:00PM May 25, 2022Highest Observation: 6.91 ft at 9:00PM May 25, 2022PTBC1(plotting HGIRR) Graph Created (12:45AM May 26, 2022)ObservedLatest observed value: 6.91 ft at 9:00 PM PDT 25-May-2022. Flood Stage is 8.4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Petaluma River at D Street Bridge. 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: 9.8
Moderate Flood Stage: 8.6
Flood Stage: 8.4
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:14
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
9.8 Major Flood Stage. Water reaches elevation of C Street pump station floor height.
8.6 Moderate Flood Stage. NWS will issue a Flash Flood Warning if not already issued. Streets start to flood down to C Street. C Street sewer pump station sand-bagged.
8.4 Minor Flood Stage. Water begins going out of bank at the foot of C Street.
8 Action Stage. NWS and City of Petaluma begin to monitor the situation closely. City of Petaluma Fire Chief, Watch Commander, and Water Resources and Conservation Director notified.
About This Location Collapse

Latitude: 38.233333° N, Longitude: 122.634722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8.4 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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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: 2-Nov-2020 7:27 PM
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