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Hydrograph River at a Glance Download
Petaluma River at D Street Bridge Stage (ft)Observed: 5.61 ft at 5:25AM Dec 02, 2021Observed: 5.93 ft at 5:41AM Dec 02, 2021Observed: 6.28 ft at 5:58AM Dec 02, 2021Observed: 6.36 ft at 6:00AM Dec 02, 2021Observed: 6.58 ft at 6:15AM Dec 02, 2021Observed: 6.86 ft at 6:48AM Dec 02, 2021Observed: 6.96 ft at 7:00AM Dec 02, 2021Observed: 7.18 ft at 7:38AM Dec 02, 2021Observed: 7.38 ft at 8:00AM Dec 02, 2021Observed: 7.58 ft at 8:53AM Dec 02, 2021Observed: 7.63 ft at 9:00AM Dec 02, 2021Observed: 7.43 ft at 10:00AM Dec 02, 2021Observed: 7.16 ft at 10:16AM Dec 02, 2021Observed: 6.86 ft at 10:33AM Dec 02, 2021Observed: 6.51 ft at 10:50AM Dec 02, 2021Observed: 6.31 ft at 10:58AM Dec 02, 2021Observed: 6.28 ft at 11:00AM Dec 02, 2021Observed: 6.08 ft at 11:06AM Dec 02, 2021Observed: 5.88 ft at 11:15AM Dec 02, 2021Observed: 5.64 ft at 11:23AM Dec 02, 2021Observed: 5.36 ft at 11:31AM Dec 02, 2021Observed: 5.09 ft at 11:40AM Dec 02, 2021Observed: 4.79 ft at 11:48AM Dec 02, 2021Observed: 4.44 ft at 11:56AM Dec 02, 2021Observed: 4.34 ft at 12:00PM Dec 02, 2021Observed: 4.14 ft at 12:05PM Dec 02, 2021Observed: 3.82 ft at 12:13PM Dec 02, 2021Observed: 3.54 ft at 12:21PM Dec 02, 2021Observed: 3.24 ft at 12:30PM Dec 02, 2021Observed: 2.94 ft at 12:38PM Dec 02, 2021Observed: 2.72 ft at 12:46PM Dec 02, 2021Observed: 2.44 ft at 12:55PM Dec 02, 2021Observed: 2.39 ft at 1:00PM Dec 02, 2021Observed: 2.42 ft at 2:00PM Dec 02, 2021Observed: 2.37 ft at 3:00PM Dec 02, 2021Observed: 2.34 ft at 4:00PM Dec 02, 2021Observed: 2.37 ft at 5:00PM Dec 02, 2021Observed: 2.34 ft at 6:00PM Dec 02, 2021Observed: 2.84 ft at 6:45PM Dec 02, 2021Observed: 3.19 ft at 6:53PM Dec 02, 2021Observed: 3.49 ft at 7:00PM Dec 02, 2021Observed: 3.84 ft at 7:10PM Dec 02, 2021Observed: 4.16 ft at 7:18PM Dec 02, 2021Observed: 4.39 ft at 7:26PM Dec 02, 2021Observed: 4.66 ft at 7:35PM Dec 02, 2021Observed: 4.86 ft at 7:43PM Dec 02, 2021Observed: 5.21 ft at 8:00PM Dec 02, 2021Observed: 5.44 ft at 8:16PM Dec 02, 2021Observed: 5.68 ft at 8:41PM Dec 02, 2021Observed: 5.88 ft at 9:00PM Dec 02, 2021Observed: 5.76 ft at 10:00PM Dec 02, 2021Observed: 5.54 ft at 10:30PM Dec 02, 2021Observed: 5.26 ft at 10:55PM Dec 02, 2021Observed: 5.21 ft at 11:00PM Dec 02, 2021Observed: 4.84 ft at 11:20PM Dec 02, 2021Observed: 4.64 ft at 11:28PM Dec 02, 2021Observed: 4.24 ft at 11:45PM Dec 02, 2021Observed: 4.01 ft at 11:53PM Dec 02, 2021Observed: 3.84 ft at 12:00AM Dec 03, 2021Observed: 3.64 ft at 12:10AM Dec 03, 2021Observed: 3.29 ft at 12:26AM Dec 03, 2021Observed: 2.97 ft at 12:43AM Dec 03, 2021Observed: 2.77 ft at 12:51AM Dec 03, 2021Observed: 2.62 ft at 1:00AM Dec 03, 2021Observed: 2.42 ft at 1:08AM Dec 03, 2021Observed: 2.37 ft at 2:00AM Dec 03, 2021Observed: 2.34 ft at 3:00AM Dec 03, 2021Observed: 2.57 ft at 3:55AM Dec 03, 2021Observed: 2.77 ft at 4:00AM Dec 03, 2021Observed: 3.07 ft at 4:11AM Dec 03, 2021Observed: 3.34 ft at 4:20AM Dec 03, 2021Observed: 3.62 ft at 4:28AM Dec 03, 2021Observed: 4.04 ft at 4:45AM Dec 03, 2021Observed: 4.26 ft at 4:53AM Dec 03, 2021Observed: 4.49 ft at 5:00AM Dec 03, 2021Observed: 4.74 ft at 5:10AM Dec 03, 2021Observed: 4.99 ft at 5:18AM Dec 03, 2021Observed: 5.21 ft at 5:26AM Dec 03, 2021Observed: 5.41 ft at 5:35AM Dec 03, 2021Observed: 5.61 ft at 5:43AM Dec 03, 2021Observed: 5.93 ft at 6:00AM Dec 03, 2021Observed: 6.13 ft at 6:08AM Dec 03, 2021Observed: 6.48 ft at 6:25AM Dec 03, 2021Observed: 6.76 ft at 6:41AM Dec 03, 2021Observed: 6.91 ft at 7:00AM Dec 03, 2021Observed: 7.16 ft at 7:31AM Dec 03, 2021Observed: 7.38 ft at 8:00AM Dec 03, 2021Observed: 7.58 ft at 8:30AM Dec 03, 2021Observed: 7.78 ft at 9:00AM Dec 03, 2021Highest Observation: 7.95 ft at 10:00AM Dec 03, 2021Observed: 7.73 ft at 10:43AM Dec 03, 2021Observed: 7.5 ft at 11:00AM Dec 03, 2021Observed: 7.18 ft at 11:16AM Dec 03, 2021Observed: 6.93 ft at 11:33AM Dec 03, 2021Observed: 6.68 ft at 11:41AM Dec 03, 2021Observed: 6.33 ft at 11:58AM Dec 03, 2021Observed: 6.13 ft at 12:06PM Dec 03, 2021Observed: 5.93 ft at 12:15PM Dec 03, 2021Observed: 5.66 ft at 12:23PM Dec 03, 2021Observed: 5.44 ft at 12:31PM Dec 03, 2021Observed: 5.14 ft at 12:40PM Dec 03, 2021Observed: 4.84 ft at 12:48PM Dec 03, 2021Observed: 4.51 ft at 12:56PM Dec 03, 2021Observed: 4.41 ft at 1:00PM Dec 03, 2021Observed: 4.21 ft at 1:05PM Dec 03, 2021Observed: 3.87 ft at 1:13PM Dec 03, 2021Observed: 3.54 ft at 1:21PM Dec 03, 2021Observed: 3.27 ft at 1:30PM Dec 03, 2021Observed: 2.97 ft at 1:38PM Dec 03, 2021Observed: 2.69 ft at 1:46PM Dec 03, 2021Observed: 2.49 ft at 1:55PM Dec 03, 2021Observed: 2.34 ft at 2:00PM Dec 03, 2021Observed: 2.37 ft at 3:00PM Dec 03, 2021Observed: 2.34 ft at 4:00PM Dec 03, 2021Observed: 2.34 ft at 5:00PM Dec 03, 2021Observed: 2.34 ft at 6:00PM Dec 03, 2021Observed: 2.37 ft at 7:00PM Dec 03, 2021Observed: 2.72 ft at 7:45PM Dec 03, 2021Observed: 3.04 ft at 7:53PM Dec 03, 2021Observed: 3.34 ft at 8:00PM Dec 03, 2021Observed: 3.77 ft at 8:10PM Dec 03, 2021Observed: 4.09 ft at 8:18PM Dec 03, 2021Observed: 4.39 ft at 8:26PM Dec 03, 2021Observed: 4.64 ft at 8:35PM Dec 03, 2021Observed: 4.86 ft at 8:43PM Dec 03, 2021Observed: 5.09 ft at 8:51PM Dec 03, 2021Observed: 5.26 ft at 9:00PM Dec 03, 2021Observed: 5.51 ft at 9:16PM Dec 03, 2021Observed: 5.73 ft at 9:41PM Dec 03, 2021Observed: 5.93 ft at 10:00PM Dec 03, 2021Observed: 6.13 ft at 10:48PM Dec 03, 2021Observed: 6.06 ft at 11:00PM Dec 03, 2021Observed: 5.83 ft at 11:21PM Dec 03, 2021Observed: 5.59 ft at 11:46PM Dec 03, 2021Observed: 5.41 ft at 12:00AM Dec 04, 2021Observed: 5.19 ft at 12:11AM Dec 04, 2021Observed: 4.86 ft at 12:28AM Dec 04, 2021Observed: 4.49 ft at 12:45AM Dec 04, 2021Observed: 4.26 ft at 12:53AM Dec 04, 2021Observed: 4.09 ft at 1:00AM Dec 04, 2021Observed: 3.42 ft at 1:26AM Dec 04, 2021Observed: 3.04 ft at 1:43AM Dec 04, 2021Observed: 2.72 ft at 2:00AM Dec 04, 2021Observed: 2.34 ft at 2:16AM Dec 04, 2021Observed: 2.34 ft at 3:00AM Dec 04, 2021Observed: 2.34 ft at 4:00AM Dec 04, 2021Observed: 2.89 ft at 4:46AM Dec 04, 2021Observed: 3.34 ft at 5:00AM Dec 04, 2021Observed: 3.69 ft at 5:11AM Dec 04, 2021Observed: 3.94 ft at 5:20AM Dec 04, 2021Observed: 4.16 ft at 5:28AM Dec 04, 2021Observed: 4.39 ft at 5:36AM Dec 04, 2021Observed: 4.61 ft at 5:45AM Dec 04, 2021Observed: 4.89 ft at 5:53AM Dec 04, 2021Observed: 5.06 ft at 6:00AM Dec 04, 2021Observed: 5.31 ft at 6:10AM Dec 04, 2021Observed: 5.64 ft at 6:26AM Dec 04, 2021Observed: 5.98 ft at 6:43AM Dec 04, 2021Observed: 6.18 ft at 6:51AM Dec 04, 2021Observed: 6.41 ft at 7:00AM Dec 04, 2021Observed: 6.68 ft at 7:16AM Dec 04, 2021Observed: 6.88 ft at 7:33AM Dec 04, 2021Observed: 7.06 ft at 8:00AM Dec 04, 2021Observed: 7.31 ft at 8:23AM Dec 04, 2021Observed: 7.53 ft at 9:00AM Dec 04, 2021Observed: 7.73 ft at 9:30AM Dec 04, 2021Observed: 7.85 ft at 10:00AM Dec 04, 2021Observed: 7.93 ft at 11:00AM Dec 04, 2021Observed: 7.73 ft at 11:26AM Dec 04, 2021Observed: 7.45 ft at 11:43AM Dec 04, 2021Observed: 7.18 ft at 12:00PM Dec 04, 2021Observed: 6.83 ft at 12:16PM Dec 04, 2021Observed: 6.43 ft at 12:33PM Dec 04, 2021Observed: 6.06 ft at 12:50PM Dec 04, 2021Observed: 5.83 ft at 12:58PM Dec 04, 2021Observed: 5.76 ft at 1:00PM Dec 04, 2021Observed: 5.54 ft at 1:06PM Dec 04, 2021Observed: 5.34 ft at 1:15PM Dec 04, 2021Observed: 5.01 ft at 1:23PM Dec 04, 2021Observed: 4.69 ft at 1:31PM Dec 04, 2021Observed: 4.36 ft at 1:40PM Dec 04, 2021Observed: 4.06 ft at 1:48PM Dec 04, 2021Observed: 3.74 ft at 1:56PM Dec 04, 2021Observed: 3.62 ft at 2:00PM Dec 04, 2021Observed: 3.17 ft at 2:13PM Dec 04, 2021Observed: 2.84 ft at 2:21PM Dec 04, 2021Observed: 2.59 ft at 2:30PM Dec 04, 2021Observed: 2.32 ft at 2:38PM Dec 04, 2021Observed: 2.34 ft at 3:00PM Dec 04, 2021Observed: 2.37 ft at 4:00PM Dec 04, 2021Observed: 2.34 ft at 5:00PM Dec 04, 2021Observed: 2.34 ft at 7:00PM Dec 04, 2021Observed: 2.34 ft at 8:00PM Dec 04, 2021Observed: 2.74 ft at 8:53PM Dec 04, 2021Observed: 3.04 ft at 9:00PM Dec 04, 2021Observed: 3.47 ft at 9:10PM Dec 04, 2021Observed: 3.82 ft at 9:18PM Dec 04, 2021Observed: 4.14 ft at 9:26PM Dec 04, 2021Observed: 4.44 ft at 9:35PM Dec 04, 2021Observed: 4.66 ft at 9:43PM Dec 04, 2021Observed: 4.89 ft at 9:51PM Dec 04, 2021Observed: 5.04 ft at 10:00PM Dec 04, 2021Observed: 5.29 ft at 10:16PM Dec 04, 2021Observed: 5.49 ft at 10:33PM Dec 04, 2021Observed: 5.76 ft at 10:58PM Dec 04, 2021Observed: 5.86 ft at 12:00AM Dec 05, 2021Observed: 5.66 ft at 12:21AM Dec 05, 2021Observed: 5.39 ft at 12:46AM Dec 05, 2021Observed: 5.26 ft at 1:00AM Dec 05, 2021Observed: 5.06 ft at 1:11AM Dec 05, 2021Observed: 4.74 ft at 1:28AM Dec 05, 2021Observed: 4.54 ft at 1:36AM Dec 05, 2021Observed: 4.11 ft at 1:53AM Dec 05, 2021Observed: 3.96 ft at 2:00AM Dec 05, 2021Observed: 3.67 ft at 2:10AM Dec 05, 2021Observed: 3.34 ft at 2:26AM Dec 05, 2021Observed: 3.12 ft at 2:35AM Dec 05, 2021Observed: 2.84 ft at 2:51AM Dec 05, 2021Observed: 2.67 ft at 3:00AM Dec 05, 2021Observed: 2.34 ft at 3:16AM Dec 05, 2021Observed: 2.37 ft at 4:00AM Dec 05, 2021Observed: 2.34 ft at 5:00AM Dec 05, 2021Observed: 2.64 ft at 5:30AM Dec 05, 2021Observed: 2.89 ft at 5:38AM Dec 05, 2021Observed: 3.19 ft at 5:46AM Dec 05, 2021Observed: 3.42 ft at 5:55AM Dec 05, 2021Observed: 3.59 ft at 6:00AM Dec 05, 2021Observed: 3.96 ft at 6:11AM Dec 05, 2021Observed: 4.21 ft at 6:20AM Dec 05, 2021Observed: 4.46 ft at 6:28AM Dec 05, 2021Observed: 4.66 ft at 6:36AM Dec 05, 2021Observed: 4.86 ft at 6:45AM Dec 05, 2021Observed: 5.11 ft at 6:53AM Dec 05, 2021Observed: 5.26 ft at 7:00AM Dec 05, 2021Observed: 5.54 ft at 7:10AM Dec 05, 2021Observed: 5.86 ft at 7:26AM Dec 05, 2021Observed: 6.18 ft at 7:43AM Dec 05, 2021Observed: 6.38 ft at 7:51AM Dec 05, 2021Observed: 6.53 ft at 8:00AM Dec 05, 2021Observed: 6.78 ft at 8:16AM Dec 05, 2021Observed: 6.98 ft at 8:41AM Dec 05, 2021Observed: 7.13 ft at 9:00AM Dec 05, 2021Observed: 7.35 ft at 9:31AM Dec 05, 2021Observed: 7.58 ft at 10:00AM Dec 05, 2021Observed: 7.78 ft at 10:46AM Dec 05, 2021Observed: 7.83 ft at 11:00AM Dec 05, 2021Observed: 7.78 ft at 12:00PM Dec 05, 2021Observed: 7.55 ft at 12:18PM Dec 05, 2021Observed: 7.26 ft at 12:35PM Dec 05, 2021Observed: 6.96 ft at 12:51PM Dec 05, 2021Observed: 6.78 ft at 1:00PM Dec 05, 2021Observed: 6.43 ft at 1:16PM Dec 05, 2021Observed: 6.18 ft at 1:25PM Dec 05, 2021Observed: 5.96 ft at 1:33PM Dec 05, 2021Observed: 5.73 ft at 1:41PM Dec 05, 2021Observed: 5.49 ft at 1:50PM Dec 05, 2021Observed: 5.19 ft at 1:58PM Dec 05, 2021Observed: 4.86 ft at 2:06PM Dec 05, 2021Observed: 4.61 ft at 2:15PM Dec 05, 2021Observed: 4.24 ft at 2:23PM Dec 05, 2021Observed: 3.94 ft at 2:31PM Dec 05, 2021Observed: 3.64 ft at 2:40PM Dec 05, 2021Observed: 3.34 ft at 2:48PM Dec 05, 2021Observed: 3.07 ft at 2:56PM Dec 05, 2021Observed: 2.99 ft at 3:00PM Dec 05, 2021Observed: 2.79 ft at 3:05PM Dec 05, 2021Observed: 2.49 ft at 3:13PM Dec 05, 2021Observed: 2.37 ft at 4:00PM Dec 05, 2021Observed: 2.34 ft at 5:00PM Dec 05, 2021Observed: 2.37 ft at 6:00PM Dec 05, 2021Observed: 2.34 ft at 7:00PM Dec 05, 2021Observed: 2.34 ft at 9:00PM Dec 05, 2021Observed: 2.84 ft at 9:53PM Dec 05, 2021Observed: 3.17 ft at 10:00PM Dec 05, 2021Observed: 3.59 ft at 10:10PM Dec 05, 2021Observed: 3.96 ft at 10:18PM Dec 05, 2021Observed: 4.24 ft at 10:26PM Dec 05, 2021Observed: 4.51 ft at 10:35PM Dec 05, 2021Observed: 4.76 ft at 10:43PM Dec 05, 2021Observed: 4.96 ft at 10:51PM Dec 05, 2021Observed: 5.14 ft at 11:00PM Dec 05, 2021Observed: 5.36 ft at 11:16PM Dec 05, 2021Observed: 5.61 ft at 11:41PM Dec 05, 2021Observed: 5.81 ft at 12:00AM Dec 06, 2021Observed: 5.86 ft at 1:00AM Dec 06, 2021Observed: 5.61 ft at 1:30AM Dec 06, 2021Observed: 5.34 ft at 1:55AM Dec 06, 2021Observed: 5.26 ft at 2:00AM Dec 06, 2021Observed: 5.01 ft at 2:11AM Dec 06, 2021Observed: 4.69 ft at 2:28AM Dec 06, 2021Observed: 4.44 ft at 2:36AM Dec 06, 2021Observed: 4.04 ft at 2:53AM Dec 06, 2021Observed: 3.94 ft at 3:00AM Dec 06, 2021Observed: 3.74 ft at 3:10AM Dec 06, 2021Observed: 3.52 ft at 3:18AM Dec 06, 2021Observed: 3.24 ft at 3:35AM Dec 06, 2021Observed: 2.94 ft at 3:51AM Dec 06, 2021Observed: 2.82 ft at 4:00AM Dec 06, 2021Observed: 2.49 ft at 4:16AM Dec 06, 2021Observed: 2.37 ft at 5:00AM Dec 06, 2021Observed: 2.37 ft at 6:00AM Dec 06, 2021Observed: 2.69 ft at 6:13AM Dec 06, 2021Observed: 2.94 ft at 6:21AM Dec 06, 2021Observed: 3.19 ft at 6:30AM Dec 06, 2021Observed: 3.44 ft at 6:38AM Dec 06, 2021Observed: 3.67 ft at 6:46AM Dec 06, 2021Observed: 3.87 ft at 6:55AM Dec 06, 2021Observed: 4.01 ft at 7:00AM Dec 06, 2021Observed: 4.26 ft at 7:11AM Dec 06, 2021Observed: 4.69 ft at 7:28AM Dec 06, 2021Observed: 4.89 ft at 7:36AM Dec 06, 2021Observed: 5.09 ft at 7:45AM Dec 06, 2021Observed: 5.44 ft at 8:00AM Dec 06, 2021Observed: 5.64 ft at 8:10AM Dec 06, 2021Observed: 5.96 ft at 8:26AM Dec 06, 2021Observed: 6.28 ft at 8:43AM Dec 06, 2021Observed: 6.61 ft at 9:00AM Dec 06, 2021Observed: 6.81 ft at 9:16AM Dec 06, 2021Observed: 7.01 ft at 9:41AM Dec 06, 2021Observed: 7.16 ft at 10:00AM Dec 06, 2021Observed: 7.38 ft at 10:40AM Dec 06, 2021Observed: 7.53 ft at 11:00AM Dec 06, 2021Observed: 7.73 ft at 11:55AM Dec 06, 2021Observed: 7.75 ft at 12:00PM Dec 06, 2021Observed: 7.5 ft at 1:00PM Dec 06, 2021Observed: 7.23 ft at 1:18PM Dec 06, 2021Observed: 6.88 ft at 1:35PM Dec 06, 2021Observed: 6.56 ft at 1:51PM Dec 06, 2021Observed: 6.36 ft at 2:00PM Dec 06, 2021Observed: 6.13 ft at 2:08PM Dec 06, 2021Observed: 5.91 ft at 2:16PM Dec 06, 2021Observed: 5.68 ft at 2:25PM Dec 06, 2021Observed: 5.39 ft at 2:33PM Dec 06, 2021Observed: 5.09 ft at 2:41PM Dec 06, 2021Observed: 4.81 ft at 2:50PM Dec 06, 2021Observed: 4.51 ft at 2:58PM Dec 06, 2021Observed: 4.49 ft at 3:00PM Dec 06, 2021Observed: 4.19 ft at 3:06PM Dec 06, 2021Observed: 3.92 ft at 3:15PM Dec 06, 2021Observed: 3.54 ft at 3:23PM Dec 06, 2021Observed: 3.24 ft at 3:31PM Dec 06, 2021Observed: 2.99 ft at 3:40PM Dec 06, 2021Observed: 2.74 ft at 3:48PM Dec 06, 2021Observed: 2.47 ft at 3:56PM Dec 06, 2021Observed: 2.34 ft at 4:00PM Dec 06, 2021Observed: 2.34 ft at 5:00PM Dec 06, 2021Observed: 2.32 ft at 5:59PM Dec 06, 2021Observed: 2.34 ft at 6:00PM Dec 06, 2021Observed: 2.34 ft at 7:00PM Dec 06, 2021Observed: 2.37 ft at 8:00PM Dec 06, 2021Observed: 2.37 ft at 9:00PM Dec 06, 2021Observed: 2.34 ft at 10:00PM Dec 06, 2021Observed: 2.54 ft at 10:28PM Dec 06, 2021Observed: 3.62 ft at 10:53PM Dec 06, 2021Observed: 4.29 ft at 11:10PM Dec 06, 2021Observed: 4.49 ft at 11:18PM Dec 06, 2021Observed: 4.99 ft at 11:35PM Dec 06, 2021Observed: 5.39 ft at 12:00AM Dec 07, 2021Observed: 5.66 ft at 12:25AM Dec 07, 2021Observed: 5.86 ft at 12:41AM Dec 07, 2021Observed: 6.06 ft at 1:00AM Dec 07, 2021PTBC1(plotting HGIRR) Graph Created (5:15AM Dec 7, 2021)ObservedLatest observed value: 6.06 ft at 1:00 AM PST 7-Dec-2021. Flood Stage is 8.4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
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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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 2-Nov-2020 7:27 PM
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