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Hydrograph River at a Glance Download
Snohomish River near Monroe Stage (ft)Flow (kcfs)Observed: 3 ft at 1:00AM Mar 16, 2024Observed: 3 ft at 1:15AM Mar 16, 2024Observed: 3 ft at 1:30AM Mar 16, 2024Observed: 3 ft at 1:45AM Mar 16, 2024Observed: 3 ft at 2:00AM Mar 16, 2024Observed: 3 ft at 2:15AM Mar 16, 2024Observed: 3 ft at 2:30AM Mar 16, 2024Observed: 3 ft at 2:45AM Mar 16, 2024Observed: 3.01 ft at 3:00AM Mar 16, 2024Observed: 3.01 ft at 3:15AM Mar 16, 2024Observed: 3.01 ft at 3:30AM Mar 16, 2024Observed: 3.02 ft at 3:45AM Mar 16, 2024Observed: 3.01 ft at 4:00AM Mar 16, 2024Observed: 3.02 ft at 4:15AM Mar 16, 2024Observed: 3.02 ft at 4:30AM Mar 16, 2024Observed: 3.02 ft at 4:45AM Mar 16, 2024Observed: 3.03 ft at 5:00AM Mar 16, 2024Observed: 3.03 ft at 5:15AM Mar 16, 2024Observed: 3.03 ft at 5:30AM Mar 16, 2024Observed: 3.04 ft at 5:45AM Mar 16, 2024Observed: 3.04 ft at 6:00AM Mar 16, 2024Observed: 3.05 ft at 6:15AM Mar 16, 2024Observed: 3.05 ft at 6:30AM Mar 16, 2024Observed: 3.05 ft at 6:45AM Mar 16, 2024Observed: 3.06 ft at 7:00AM Mar 16, 2024Observed: 3.06 ft at 7:15AM Mar 16, 2024Observed: 3.07 ft at 7:30AM Mar 16, 2024Observed: 3.07 ft at 7:45AM Mar 16, 2024Observed: 3.07 ft at 8:00AM Mar 16, 2024Observed: 3.08 ft at 8:15AM Mar 16, 2024Observed: 3.08 ft at 8:30AM Mar 16, 2024Observed: 3.09 ft at 8:45AM Mar 16, 2024Observed: 3.09 ft at 9:00AM Mar 16, 2024Observed: 3.1 ft at 9:15AM Mar 16, 2024Observed: 3.1 ft at 9:30AM Mar 16, 2024Observed: 3.11 ft at 9:45AM Mar 16, 2024Observed: 3.11 ft at 10:00AM Mar 16, 2024Observed: 3.11 ft at 10:15AM Mar 16, 2024Observed: 3.12 ft at 10:30AM Mar 16, 2024Observed: 3.12 ft at 10:45AM Mar 16, 2024Observed: 3.12 ft at 11:00AM Mar 16, 2024Observed: 3.13 ft at 11:15AM Mar 16, 2024Observed: 3.13 ft at 11:30AM Mar 16, 2024Observed: 3.13 ft at 11:45AM Mar 16, 2024Observed: 3.14 ft at 12:00PM Mar 16, 2024Observed: 3.14 ft at 12:15PM Mar 16, 2024Observed: 3.15 ft at 12:30PM Mar 16, 2024Observed: 3.16 ft at 12:45PM Mar 16, 2024Observed: 3.16 ft at 1:00PM Mar 16, 2024Observed: 3.16 ft at 1:15PM Mar 16, 2024Observed: 3.17 ft at 1:30PM Mar 16, 2024Observed: 3.17 ft at 1:45PM Mar 16, 2024Observed: 3.18 ft at 2:00PM Mar 16, 2024Observed: 3.18 ft at 2:15PM Mar 16, 2024Observed: 3.19 ft at 2:30PM Mar 16, 2024Observed: 3.19 ft at 2:45PM Mar 16, 2024Observed: 3.2 ft at 3:00PM Mar 16, 2024Observed: 3.2 ft at 3:15PM Mar 16, 2024Observed: 3.21 ft at 3:30PM Mar 16, 2024Observed: 3.21 ft at 3:45PM Mar 16, 2024Observed: 3.21 ft at 4:00PM Mar 16, 2024Observed: 3.22 ft at 4:15PM Mar 16, 2024Observed: 3.22 ft at 4:30PM Mar 16, 2024Observed: 3.23 ft at 4:45PM Mar 16, 2024Observed: 3.23 ft at 5:00PM Mar 16, 2024Observed: 3.24 ft at 5:15PM Mar 16, 2024Observed: 3.24 ft at 5:30PM Mar 16, 2024Observed: 3.24 ft at 5:45PM Mar 16, 2024Observed: 3.25 ft at 6:00PM Mar 16, 2024Observed: 3.26 ft at 6:15PM Mar 16, 2024Observed: 3.26 ft at 6:30PM Mar 16, 2024Observed: 3.26 ft at 6:45PM Mar 16, 2024Observed: 3.27 ft at 7:00PM Mar 16, 2024Observed: 3.27 ft at 7:15PM Mar 16, 2024Observed: 3.28 ft at 7:30PM Mar 16, 2024Observed: 3.28 ft at 7:45PM Mar 16, 2024Observed: 3.29 ft at 8:00PM Mar 16, 2024Observed: 3.29 ft at 8:15PM Mar 16, 2024Observed: 3.3 ft at 8:30PM Mar 16, 2024Observed: 3.3 ft at 8:45PM Mar 16, 2024Observed: 3.31 ft at 9:00PM Mar 16, 2024Observed: 3.31 ft at 9:15PM Mar 16, 2024Observed: 3.32 ft at 9:30PM Mar 16, 2024Observed: 3.32 ft at 9:45PM Mar 16, 2024Observed: 3.33 ft at 10:00PM Mar 16, 2024Observed: 3.34 ft at 10:15PM Mar 16, 2024Observed: 3.35 ft at 10:30PM Mar 16, 2024Observed: 3.35 ft at 10:45PM Mar 16, 2024Observed: 3.36 ft at 11:00PM Mar 16, 2024Observed: 3.37 ft at 11:15PM Mar 16, 2024Observed: 3.38 ft at 11:30PM Mar 16, 2024Observed: 3.38 ft at 11:45PM Mar 16, 2024Observed: 3.39 ft at 12:00AM Mar 17, 2024Observed: 3.4 ft at 12:15AM Mar 17, 2024Observed: 3.41 ft at 12:30AM Mar 17, 2024Observed: 3.42 ft at 12:45AM Mar 17, 2024Observed: 3.42 ft at 1:00AM Mar 17, 2024Observed: 3.43 ft at 1:15AM Mar 17, 2024Observed: 3.44 ft at 1:30AM Mar 17, 2024Observed: 3.45 ft at 1:45AM Mar 17, 2024Observed: 3.46 ft at 2:00AM Mar 17, 2024Observed: 3.47 ft at 2:15AM Mar 17, 2024Observed: 3.49 ft at 2:30AM Mar 17, 2024Observed: 3.49 ft at 2:45AM Mar 17, 2024Observed: 3.51 ft at 3:00AM Mar 17, 2024Observed: 3.52 ft at 3:15AM Mar 17, 2024Observed: 3.53 ft at 3:30AM Mar 17, 2024Observed: 3.54 ft at 3:45AM Mar 17, 2024Observed: 3.55 ft at 4:00AM Mar 17, 2024Observed: 3.56 ft at 4:15AM Mar 17, 2024Observed: 3.58 ft at 4:30AM Mar 17, 2024Observed: 3.58 ft at 4:45AM Mar 17, 2024Observed: 3.6 ft at 5:00AM Mar 17, 2024Observed: 3.61 ft at 5:15AM Mar 17, 2024Observed: 3.61 ft at 5:30AM Mar 17, 2024Observed: 3.63 ft at 5:45AM Mar 17, 2024Observed: 3.64 ft at 6:00AM Mar 17, 2024Observed: 3.65 ft at 6:15AM Mar 17, 2024Observed: 3.66 ft at 6:30AM Mar 17, 2024Observed: 3.67 ft at 6:45AM Mar 17, 2024Observed: 3.68 ft at 7:00AM Mar 17, 2024Observed: 3.69 ft at 7:15AM Mar 17, 2024Observed: 3.7 ft at 7:30AM Mar 17, 2024Observed: 3.71 ft at 7:45AM Mar 17, 2024Observed: 3.72 ft at 8:00AM Mar 17, 2024Observed: 3.72 ft at 8:15AM Mar 17, 2024Observed: 3.73 ft at 8:30AM Mar 17, 2024Observed: 3.74 ft at 8:45AM Mar 17, 2024Observed: 3.75 ft at 9:00AM Mar 17, 2024Observed: 3.76 ft at 9:15AM Mar 17, 2024Observed: 3.76 ft at 9:30AM Mar 17, 2024Observed: 3.77 ft at 9:45AM Mar 17, 2024Observed: 3.78 ft at 10:00AM Mar 17, 2024Observed: 3.79 ft at 10:15AM Mar 17, 2024Observed: 3.8 ft at 10:30AM Mar 17, 2024Observed: 3.81 ft at 10:45AM Mar 17, 2024Observed: 3.82 ft at 11:00AM Mar 17, 2024Observed: 3.82 ft at 11:15AM Mar 17, 2024Observed: 3.83 ft at 11:30AM Mar 17, 2024Observed: 3.84 ft at 11:45AM Mar 17, 2024Observed: 3.84 ft at 12:00PM Mar 17, 2024Observed: 3.85 ft at 12:15PM Mar 17, 2024Observed: 3.85 ft at 12:30PM Mar 17, 2024Observed: 3.86 ft at 12:45PM Mar 17, 2024Observed: 3.86 ft at 1:00PM Mar 17, 2024Observed: 3.87 ft at 1:15PM Mar 17, 2024Observed: 3.87 ft at 1:30PM Mar 17, 2024Observed: 3.88 ft at 1:45PM Mar 17, 2024Observed: 3.88 ft at 2:00PM Mar 17, 2024Observed: 3.89 ft at 2:15PM Mar 17, 2024Observed: 3.9 ft at 2:30PM Mar 17, 2024Observed: 3.9 ft at 2:45PM Mar 17, 2024Observed: 3.91 ft at 3:00PM Mar 17, 2024Observed: 3.91 ft at 3:15PM Mar 17, 2024Observed: 3.91 ft at 3:30PM Mar 17, 2024Observed: 3.92 ft at 3:45PM Mar 17, 2024Observed: 3.92 ft at 4:00PM Mar 17, 2024Observed: 3.91 ft at 4:15PM Mar 17, 2024Observed: 3.92 ft at 4:30PM Mar 17, 2024Observed: 3.93 ft at 4:45PM Mar 17, 2024Observed: 3.93 ft at 5:00PM Mar 17, 2024Observed: 3.93 ft at 5:15PM Mar 17, 2024Observed: 3.93 ft at 5:30PM Mar 17, 2024Observed: 3.94 ft at 5:45PM Mar 17, 2024Observed: 3.94 ft at 6:00PM Mar 17, 2024Observed: 3.94 ft at 6:15PM Mar 17, 2024Observed: 3.94 ft at 6:30PM Mar 17, 2024Observed: 3.94 ft at 6:45PM Mar 17, 2024Observed: 3.94 ft at 7:00PM Mar 17, 2024Observed: 3.94 ft at 7:15PM Mar 17, 2024Observed: 3.94 ft at 7:30PM Mar 17, 2024Observed: 3.94 ft at 7:45PM Mar 17, 2024Observed: 3.94 ft at 8:00PM Mar 17, 2024Observed: 3.94 ft at 8:15PM Mar 17, 2024Observed: 3.94 ft at 8:30PM Mar 17, 2024Observed: 3.94 ft at 8:45PM Mar 17, 2024Observed: 3.94 ft at 9:00PM Mar 17, 2024Observed: 3.94 ft at 9:15PM Mar 17, 2024Observed: 3.94 ft at 9:30PM Mar 17, 2024Observed: 3.94 ft at 9:45PM Mar 17, 2024Observed: 3.95 ft at 10:00PM Mar 17, 2024Observed: 3.95 ft at 10:15PM Mar 17, 2024Observed: 3.95 ft at 10:30PM Mar 17, 2024Observed: 3.95 ft at 10:45PM Mar 17, 2024Observed: 3.95 ft at 11:00PM Mar 17, 2024Observed: 3.96 ft at 11:15PM Mar 17, 2024Observed: 3.96 ft at 11:30PM Mar 17, 2024Observed: 3.96 ft at 11:45PM Mar 17, 2024Observed: 3.97 ft at 12:00AM Mar 18, 2024Observed: 3.97 ft at 12:15AM Mar 18, 2024Observed: 3.97 ft at 12:30AM Mar 18, 2024Observed: 3.98 ft at 12:45AM Mar 18, 2024Observed: 3.98 ft at 1:00AM Mar 18, 2024Observed: 3.98 ft at 1:15AM Mar 18, 2024Observed: 3.99 ft at 1:30AM Mar 18, 2024Observed: 3.99 ft at 1:45AM Mar 18, 2024Observed: 4 ft at 2:00AM Mar 18, 2024Observed: 4 ft at 2:15AM Mar 18, 2024Observed: 4 ft at 2:30AM Mar 18, 2024Observed: 4.01 ft at 2:45AM Mar 18, 2024Observed: 4.01 ft at 3:00AM Mar 18, 2024Observed: 4.02 ft at 3:15AM Mar 18, 2024Observed: 4.02 ft at 3:30AM Mar 18, 2024Observed: 4.03 ft at 3:45AM Mar 18, 2024Observed: 4.03 ft at 4:00AM Mar 18, 2024Observed: 4.04 ft at 4:15AM Mar 18, 2024Observed: 4.05 ft at 4:30AM Mar 18, 2024Observed: 4.05 ft at 4:45AM Mar 18, 2024Observed: 4.06 ft at 5:00AM Mar 18, 2024Observed: 4.07 ft at 5:15AM Mar 18, 2024Observed: 4.07 ft at 5:30AM Mar 18, 2024Observed: 4.08 ft at 5:45AM Mar 18, 2024Observed: 4.08 ft at 6:00AM Mar 18, 2024Observed: 4.09 ft at 6:15AM Mar 18, 2024Observed: 4.1 ft at 6:30AM Mar 18, 2024Observed: 4.1 ft at 6:45AM Mar 18, 2024Observed: 4.1 ft at 7:00AM Mar 18, 2024Observed: 4.11 ft at 7:15AM Mar 18, 2024Observed: 4.11 ft at 7:30AM Mar 18, 2024Observed: 4.13 ft at 7:45AM Mar 18, 2024Observed: 4.13 ft at 8:00AM Mar 18, 2024Observed: 4.14 ft at 8:15AM Mar 18, 2024Observed: 4.14 ft at 8:30AM Mar 18, 2024Observed: 4.14 ft at 8:45AM Mar 18, 2024Observed: 4.15 ft at 9:00AM Mar 18, 2024Observed: 4.15 ft at 9:15AM Mar 18, 2024Observed: 4.16 ft at 9:30AM Mar 18, 2024Observed: 4.17 ft at 9:45AM Mar 18, 2024Observed: 4.17 ft at 10:00AM Mar 18, 2024Observed: 4.17 ft at 10:15AM Mar 18, 2024Observed: 4.18 ft at 10:30AM Mar 18, 2024Observed: 4.18 ft at 10:45AM Mar 18, 2024Observed: 4.19 ft at 11:00AM Mar 18, 2024Observed: 4.19 ft at 11:15AM Mar 18, 2024Observed: 4.2 ft at 11:30AM Mar 18, 2024Observed: 4.2 ft at 11:45AM Mar 18, 2024Observed: 4.21 ft at 12:00PM Mar 18, 2024Observed: 4.21 ft at 12:15PM Mar 18, 2024Observed: 4.22 ft at 12:30PM Mar 18, 2024Observed: 4.22 ft at 12:45PM Mar 18, 2024Observed: 4.22 ft at 1:00PM Mar 18, 2024Observed: 4.22 ft at 1:15PM Mar 18, 2024Observed: 4.23 ft at 1:30PM Mar 18, 2024Observed: 4.23 ft at 1:45PM Mar 18, 2024Observed: 4.24 ft at 2:00PM Mar 18, 2024Observed: 4.24 ft at 2:15PM Mar 18, 2024Observed: 4.24 ft at 2:30PM Mar 18, 2024Observed: 4.24 ft at 2:45PM Mar 18, 2024Observed: 4.25 ft at 3:00PM Mar 18, 2024Observed: 4.25 ft at 3:15PM Mar 18, 2024Observed: 4.25 ft at 3:30PM Mar 18, 2024Observed: 4.25 ft at 3:45PM Mar 18, 2024Observed: 4.25 ft at 4:00PM Mar 18, 2024Observed: 4.25 ft at 4:15PM Mar 18, 2024Observed: 4.25 ft at 4:30PM Mar 18, 2024Observed: 4.26 ft at 4:45PM Mar 18, 2024Observed: 4.25 ft at 5:00PM Mar 18, 2024Observed: 4.26 ft at 5:15PM Mar 18, 2024Observed: 4.25 ft at 5:30PM Mar 18, 2024Observed: 4.26 ft at 5:45PM Mar 18, 2024Observed: 4.26 ft at 6:00PM Mar 18, 2024Observed: 4.26 ft at 6:15PM Mar 18, 2024Observed: 4.26 ft at 6:30PM Mar 18, 2024Observed: 4.25 ft at 6:45PM Mar 18, 2024Observed: 4.26 ft at 7:00PM Mar 18, 2024Observed: 4.25 ft at 7:15PM Mar 18, 2024Observed: 4.25 ft at 7:30PM Mar 18, 2024Observed: 4.25 ft at 7:45PM Mar 18, 2024Observed: 4.25 ft at 8:00PM Mar 18, 2024Observed: 4.25 ft at 8:15PM Mar 18, 2024Observed: 4.25 ft at 8:30PM Mar 18, 2024Observed: 4.25 ft at 8:45PM Mar 18, 2024Observed: 4.25 ft at 9:00PM Mar 18, 2024Observed: 4.25 ft at 9:15PM Mar 18, 2024Observed: 4.25 ft at 9:30PM Mar 18, 2024Observed: 4.25 ft at 9:45PM Mar 18, 2024Observed: 4.25 ft at 10:00PM Mar 18, 2024Observed: 4.25 ft at 10:15PM Mar 18, 2024Observed: 4.25 ft at 10:30PM Mar 18, 2024Observed: 4.26 ft at 10:45PM Mar 18, 2024Observed: 4.26 ft at 11:00PM Mar 18, 2024Observed: 4.27 ft at 11:15PM Mar 18, 2024Observed: 4.27 ft at 11:30PM Mar 18, 2024Highest Observation: 4.28 ft at 11:45PM Mar 18, 2024Highest Observation: 4.28 ft at 12:00AM Mar 19, 2024Highest Observation: 4.28 ft at 12:15AM Mar 19, 2024Forecast: 4.09 ft 5:00AM Mar 19, 2024Forecast: 3.93 ft 11:00AM Mar 19, 2024Forecast: 3.78 ft 5:00PM Mar 19, 2024Forecast: 3.64 ft 11:00PM Mar 19, 2024Forecast: 3.55 ft 5:00AM Mar 20, 2024Forecast: 3.48 ft 11:00AM Mar 20, 2024Forecast: 3.42 ft 5:00PM Mar 20, 2024Forecast: 3.38 ft 11:00PM Mar 20, 2024Forecast: 3.38 ft 5:00AM Mar 21, 2024Forecast: 3.51 ft 11:00AM Mar 21, 2024Forecast: 3.81 ft 5:00PM Mar 21, 2024Forecast: 4.19 ft 11:00PM Mar 21, 2024Forecast: 4.53 ft 5:00AM Mar 22, 2024Forecast: 4.75 ft 11:00AM Mar 22, 2024Forecast: 4.87 ft 5:00PM Mar 22, 2024Forecast: 4.9 ft 11:00PM Mar 22, 2024Forecast: 4.93 ft 5:00AM Mar 23, 2024Forecast: 5.01 ft 11:00AM Mar 23, 2024Forecast: 5.19 ft 5:00PM Mar 23, 2024Forecast: 5.49 ft 11:00PM Mar 23, 2024Forecast: 5.78 ft 5:00AM Mar 24, 2024Highest Forecast: 5.87 ft 11:00AM Mar 24, 2024Forecast: 5.73 ft 5:00PM Mar 24, 2024Forecast: 5.51 ft 11:00PM Mar 24, 2024Forecast: 5.26 ft 5:00AM Mar 25, 2024Forecast: 4.99 ft 11:00AM Mar 25, 2024Forecast: 4.74 ft 5:00PM Mar 25, 2024Forecast: 4.54 ft 11:00PM Mar 25, 2024USGS--Water Resources of the United StatesMROW1(plotting HGIRG) Graph Created (12:50AM Mar 19, 2024)ObservedForecast (issued 2:56PM Mar 18)Latest observed value: 4.28 ft at 12:15 AM PDT 19-Mar-2024. Flood Stage is 15 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.

NOTE: Forecasts for the Snohomish River near Monroe are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Snohomish
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 16
Flood Stage: 15
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 25.30 ft on 11/25/1990
(2) 24.12 ft on 01/08/2009
(3) 24.10 ft on 11/30/1995
(4) 23.54 ft on 11/07/2006
(5) 22.92 ft on 12/04/1975
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.38 ft on 12/06/2023 (P)
(2) 15.00 ft on 11/05/2022 (P)
(3) 15.07 ft on 03/01/2022 (P)
(4) 16.60 ft on 11/15/2021 (P)
(5) 15.82 ft on 11/13/2021 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.51 ft on 10/31/1987
Zoom Level:16
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
22 the Snohomish River will cause severe flooding...with deep and swift flood waters inundating farm land...residential areas...and roads. Levees could suffer overtopping and major damage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 22 feet at this location corresponds to Phase 4 in the Snohomish County Flood Warning System.
21 Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. The Snohomish River stage at this location corresponds to Phase 4 in the Snohomish County Flood Warning System.
20 the Snohomish River will cause severe flooding in the valley. The river will flood many homes...cover much of the farmlands...and close many roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 20 feet at this location corresponds to Phase 3 in the Snohomish County Flood Warning System.
17 the Snohomish River will cause major flooding...inundating farm land...roads...and some residential areas. Levees will likely suffer damage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 17 feet at this location corresponds to Phase 2 in the Snohomish County Flood Warning System.
16 the Snohomish River will flood several roads and much of the low pasture land in the river valley. A stage of 16 feet at this location corresponds to Phase 2 in the Snohomish County Flood Warning System.
15 the Snohomish River will cause minor flooding of low pasture lands and several roads near the river. A stage of 15 feet at this location corresponds to Phase 2 in the Snohomish County Flood Warning System.
14 feet...the Snohomish River will locally spill over its banks into low pasture lands along the river.
About This Location Collapse

Latitude: 47.831111° N, Longitude: 122.047222° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 13.25 ft 28.25 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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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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