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Hydrograph River at a Glance Download
Petaluma River at D Street Bridge Stage (ft)Observed: 2.34 ft at 5:00AM Mar 23, 2024Observed: 3.02 ft at 6:10AM Mar 23, 2024Observed: 3.72 ft at 6:43AM Mar 23, 2024Observed: 4.21 ft at 7:00AM Mar 23, 2024Observed: 4.61 ft at 7:16AM Mar 23, 2024Observed: 5.51 ft at 8:00AM Mar 23, 2024Observed: 5.93 ft at 8:23AM Mar 23, 2024Observed: 6.26 ft at 8:40AM Mar 23, 2024Observed: 6.73 ft at 9:30AM Mar 23, 2024Highest Observation: 6.93 ft at 10:00AM Mar 23, 2024Observed: 4.04 ft at 1:23PM Mar 23, 2024Observed: 3.24 ft at 1:48PM Mar 23, 2024Observed: 2.32 ft at 2:21PM Mar 23, 2024Observed: 2.34 ft at 4:00PM Mar 23, 2024Observed: 2.37 ft at 5:00PM Mar 23, 2024Observed: 2.34 ft at 6:00PM Mar 23, 2024Observed: 2.34 ft at 7:00PM Mar 23, 2024Observed: 4.31 ft at 8:11PM Mar 23, 2024Observed: 4.59 ft at 8:20PM Mar 23, 2024Observed: 5.54 ft at 9:00PM Mar 23, 2024Observed: 6.56 ft at 10:00PM Mar 23, 2024Observed: 6.81 ft at 11:00PM Mar 23, 2024Observed: 6.81 ft at 12:00AM Mar 24, 2024Observed: 6.53 ft at 12:30AM Mar 24, 2024Observed: 6.06 ft at 12:55AM Mar 24, 2024Observed: 4.29 ft at 1:52AM Mar 24, 2024Observed: 4.09 ft at 2:00AM Mar 24, 2024Observed: 3.44 ft at 2:18AM Mar 24, 2024Observed: 3.19 ft at 2:26AM Mar 24, 2024Observed: 2.34 ft at 3:00AM Mar 24, 2024Observed: 2.34 ft at 4:00AM Mar 24, 2024Observed: 2.59 ft at 7:00AM Mar 24, 2024Observed: 3.07 ft at 7:18AM Mar 24, 2024Observed: 3.92 ft at 8:00AM Mar 24, 2024Observed: 5.09 ft at 9:00AM Mar 24, 2024Observed: 5.64 ft at 9:31AM Mar 24, 2024Observed: 5.91 ft at 9:48AM Mar 24, 2024Observed: 6.26 ft at 10:30AM Mar 24, 2024Observed: 6.41 ft at 11:00AM Mar 24, 2024Observed: 6.16 ft at 12:00PM Mar 24, 2024Observed: 5.93 ft at 12:10PM Mar 24, 2024Observed: 5.16 ft at 12:43PM Mar 24, 2024Observed: 4.04 ft at 1:25PM Mar 24, 2024Observed: 3.52 ft at 1:41PM Mar 24, 2024Observed: 2.77 ft at 2:06PM Mar 24, 2024Observed: 2.52 ft at 2:15PM Mar 24, 2024Observed: 2.32 ft at 2:40PM Mar 24, 2024Observed: 2.34 ft at 3:00PM Mar 24, 2024Observed: 2.34 ft at 4:00PM Mar 24, 2024Observed: 2.34 ft at 5:00PM Mar 24, 2024Observed: 2.34 ft at 7:00PM Mar 24, 2024Observed: 2.59 ft at 7:56PM Mar 24, 2024Observed: 2.72 ft at 8:00PM Mar 24, 2024Observed: 4.34 ft at 8:46PM Mar 24, 2024Observed: 5.31 ft at 9:28PM Mar 24, 2024Observed: 5.96 ft at 10:00PM Mar 24, 2024Observed: 6.23 ft at 10:18PM Mar 24, 2024Observed: 6.48 ft at 11:00PM Mar 24, 2024Observed: 6.48 ft at 12:00AM Mar 25, 2024Observed: 6.01 ft at 12:40AM Mar 25, 2024Observed: 5.71 ft at 12:56AM Mar 25, 2024Observed: 5.29 ft at 1:13AM Mar 25, 2024Observed: 5.06 ft at 1:21AM Mar 25, 2024Observed: 4.64 ft at 1:38AM Mar 25, 2024Observed: 4.41 ft at 1:46AM Mar 25, 2024Observed: 3.69 ft at 2:11AM Mar 25, 2024Observed: 3.44 ft at 2:20AM Mar 25, 2024Observed: 3.24 ft at 2:28AM Mar 25, 2024Observed: 2.59 ft at 2:53AM Mar 25, 2024Observed: 2.37 ft at 4:00AM Mar 25, 2024Observed: 2.34 ft at 5:00AM Mar 25, 2024Observed: 2.34 ft at 6:00AM Mar 25, 2024Observed: 2.34 ft at 7:00AM Mar 25, 2024Observed: 2.57 ft at 8:00AM Mar 25, 2024Observed: 2.87 ft at 8:10AM Mar 25, 2024Observed: 3.27 ft at 8:26AM Mar 25, 2024Observed: 3.69 ft at 8:43AM Mar 25, 2024Observed: 4.19 ft at 9:00AM Mar 25, 2024Observed: 4.79 ft at 9:25AM Mar 25, 2024Observed: 5.16 ft at 9:41AM Mar 25, 2024Observed: 5.49 ft at 10:00AM Mar 25, 2024Observed: 5.76 ft at 10:23AM Mar 25, 2024Observed: 5.96 ft at 10:40AM Mar 25, 2024Observed: 6.18 ft at 11:00AM Mar 25, 2024Observed: 6.16 ft at 12:00PM Mar 25, 2024Observed: 5.06 ft at 1:10PM Mar 25, 2024Observed: 2.87 ft at 2:33PM Mar 25, 2024Observed: 2.67 ft at 2:41PM Mar 25, 2024Observed: 2.32 ft at 2:58PM Mar 25, 2024Observed: 2.37 ft at 4:00PM Mar 25, 2024Observed: 2.34 ft at 5:00PM Mar 25, 2024Observed: 2.34 ft at 6:00PM Mar 25, 2024Observed: 2.37 ft at 7:00PM Mar 25, 2024Observed: 2.74 ft at 8:00PM Mar 25, 2024Observed: 3.59 ft at 8:31PM Mar 25, 2024Observed: 4.76 ft at 9:13PM Mar 25, 2024Observed: 6.08 ft at 10:20PM Mar 25, 2024Observed: 6.31 ft at 10:36PM Mar 25, 2024Observed: 6.48 ft at 11:00PM Mar 25, 2024Observed: 6.66 ft at 12:00AM Mar 26, 2024Observed: 6.26 ft at 1:00AM Mar 26, 2024Observed: 5.98 ft at 1:15AM Mar 26, 2024Observed: 4.81 ft at 2:00AM Mar 26, 2024Observed: 3.39 ft at 2:46AM Mar 26, 2024Observed: 3.19 ft at 3:00AM Mar 26, 2024Observed: 2.99 ft at 3:03AM Mar 26, 2024Observed: 2.74 ft at 3:11AM Mar 26, 2024Observed: 2.32 ft at 3:28AM Mar 26, 2024Observed: 2.34 ft at 4:00AM Mar 26, 2024Observed: 2.34 ft at 5:00AM Mar 26, 2024Observed: 2.34 ft at 6:00AM Mar 26, 2024Observed: 2.34 ft at 8:00AM Mar 26, 2024Observed: 3.37 ft at 9:18AM Mar 26, 2024Observed: 3.64 ft at 9:26AM Mar 26, 2024Observed: 4.36 ft at 9:51AM Mar 26, 2024Observed: 5.31 ft at 10:33AM Mar 26, 2024Observed: 5.96 ft at 11:23AM Mar 26, 2024Observed: 6.08 ft at 12:00PM Mar 26, 2024Observed: 4.79 ft at 2:00PM Mar 26, 2024Observed: 3.79 ft at 2:35PM Mar 26, 2024Observed: 2.97 ft at 3:08PM Mar 26, 2024Observed: 2.39 ft at 3:33PM Mar 26, 2024Observed: 2.34 ft at 4:00PM Mar 26, 2024Observed: 2.34 ft at 5:00PM Mar 26, 2024Observed: 2.34 ft at 6:00PM Mar 26, 2024Observed: 2.34 ft at 7:00PM Mar 26, 2024Observed: 2.77 ft at 8:16PM Mar 26, 2024Observed: 3.19 ft at 8:33PM Mar 26, 2024Observed: 3.89 ft at 9:00PM Mar 26, 2024Observed: 5.51 ft at 10:13PM Mar 26, 2024Observed: 6.06 ft at 10:46PM Mar 26, 2024Observed: 6.43 ft at 11:28PM Mar 26, 2024Observed: 6.56 ft at 12:00AM Mar 27, 2024Observed: 6.21 ft at 1:16AM Mar 27, 2024Observed: 4.61 ft at 2:23AM Mar 27, 2024Observed: 4.36 ft at 2:31AM Mar 27, 2024Observed: 3.54 ft at 3:00AM Mar 27, 2024Observed: 3.17 ft at 3:13AM Mar 27, 2024Observed: 2.94 ft at 3:21AM Mar 27, 2024Observed: 2.34 ft at 4:00AM Mar 27, 2024Observed: 2.37 ft at 5:00AM Mar 27, 2024Observed: 2.34 ft at 6:00AM Mar 27, 2024Observed: 2.34 ft at 8:00AM Mar 27, 2024Observed: 3.89 ft at 10:18AM Mar 27, 2024Observed: 4.11 ft at 10:26AM Mar 27, 2024Observed: 4.36 ft at 10:35AM Mar 27, 2024Observed: 5.76 ft at 12:00PM Mar 27, 2024Observed: 5.98 ft at 12:31PM Mar 27, 2024Observed: 5.88 ft at 1:38PM Mar 27, 2024Observed: 5.71 ft at 2:00PM Mar 27, 2024Observed: 5.19 ft at 2:28PM Mar 27, 2024Observed: 4.84 ft at 2:45PM Mar 27, 2024Observed: 4.09 ft at 3:18PM Mar 27, 2024Observed: 3.52 ft at 3:43PM Mar 27, 2024Observed: 3.17 ft at 4:00PM Mar 27, 2024Observed: 2.94 ft at 4:08PM Mar 27, 2024Observed: 2.32 ft at 4:41PM Mar 27, 2024Observed: 2.37 ft at 5:00PM Mar 27, 2024Observed: 2.34 ft at 6:00PM Mar 27, 2024Observed: 2.34 ft at 7:00PM Mar 27, 2024Observed: 2.67 ft at 7:20PM Mar 27, 2024Observed: 2.97 ft at 7:36PM Mar 27, 2024Observed: 3.22 ft at 8:00PM Mar 27, 2024Observed: 3.44 ft at 8:35PM Mar 27, 2024Observed: 3.74 ft at 8:51PM Mar 27, 2024Observed: 4.29 ft at 9:16PM Mar 27, 2024Observed: 4.51 ft at 9:25PM Mar 27, 2024Observed: 5.39 ft at 10:00PM Mar 27, 2024Observed: 5.59 ft at 10:15PM Mar 27, 2024Observed: 5.83 ft at 10:31PM Mar 27, 2024Observed: 6.36 ft at 11:00PM Mar 27, 2024Observed: 6.56 ft at 11:21PM Mar 27, 2024Observed: 6.68 ft at 12:00AM Mar 28, 2024Observed: 6.81 ft at 1:00AM Mar 28, 2024PTBC1(plotting HGIRR) Graph Created (4:30AM Mar 28, 2024)ObservedLatest observed value: 6.81 ft at 1:00 AM PDT 28-Mar-2024. 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
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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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Page last modified: 2-Nov-2020 7:27 PM
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