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Hydrograph River at a Glance Download
Allagash River above Allagash Stage (ft)Flow (kcfs)Observed: 5.3 ft at 11:30PM Mar 18, 2023Observed: 5.3 ft at 11:45PM Mar 18, 2023Observed: 5.3 ft at 12:00AM Mar 19, 2023Observed: 5.3 ft at 12:15AM Mar 19, 2023Observed: 5.3 ft at 12:30AM Mar 19, 2023Observed: 5.3 ft at 12:45AM Mar 19, 2023Observed: 5.3 ft at 1:00AM Mar 19, 2023Observed: 5.3 ft at 1:15AM Mar 19, 2023Observed: 5.3 ft at 1:30AM Mar 19, 2023Observed: 5.3 ft at 1:45AM Mar 19, 2023Observed: 5.3 ft at 2:00AM Mar 19, 2023Observed: 5.3 ft at 2:15AM Mar 19, 2023Observed: 5.3 ft at 2:30AM Mar 19, 2023Observed: 5.31 ft at 2:45AM Mar 19, 2023Observed: 5.31 ft at 3:00AM Mar 19, 2023Observed: 5.31 ft at 3:15AM Mar 19, 2023Observed: 5.31 ft at 3:30AM Mar 19, 2023Observed: 5.31 ft at 3:45AM Mar 19, 2023Observed: 5.31 ft at 4:00AM Mar 19, 2023Observed: 5.31 ft at 4:15AM Mar 19, 2023Observed: 5.31 ft at 4:30AM Mar 19, 2023Observed: 5.32 ft at 4:45AM Mar 19, 2023Observed: 5.31 ft at 5:00AM Mar 19, 2023Observed: 5.32 ft at 5:15AM Mar 19, 2023Observed: 5.32 ft at 5:30AM Mar 19, 2023Observed: 5.32 ft at 5:45AM Mar 19, 2023Observed: 5.32 ft at 6:00AM Mar 19, 2023Observed: 5.32 ft at 6:15AM Mar 19, 2023Observed: 5.32 ft at 6:30AM Mar 19, 2023Observed: 5.32 ft at 6:45AM Mar 19, 2023Observed: 5.32 ft at 7:00AM Mar 19, 2023Observed: 5.32 ft at 7:15AM Mar 19, 2023Observed: 5.32 ft at 7:30AM Mar 19, 2023Observed: 5.32 ft at 7:45AM Mar 19, 2023Observed: 5.33 ft at 8:00AM Mar 19, 2023Observed: 5.33 ft at 8:15AM Mar 19, 2023Observed: 5.33 ft at 8:30AM Mar 19, 2023Observed: 5.33 ft at 8:45AM Mar 19, 2023Observed: 5.33 ft at 9:00AM Mar 19, 2023Observed: 5.34 ft at 9:15AM Mar 19, 2023Observed: 5.34 ft at 9:30AM Mar 19, 2023Observed: 5.34 ft at 9:45AM Mar 19, 2023Observed: 5.34 ft at 10:00AM Mar 19, 2023Observed: 5.34 ft at 10:15AM Mar 19, 2023Observed: 5.35 ft at 10:30AM Mar 19, 2023Observed: 5.35 ft at 10:45AM Mar 19, 2023Observed: 5.35 ft at 11:00AM Mar 19, 2023Observed: 5.35 ft at 11:15AM Mar 19, 2023Observed: 5.35 ft at 11:30AM Mar 19, 2023Observed: 5.35 ft at 11:45AM Mar 19, 2023Observed: 5.35 ft at 12:00PM Mar 19, 2023Observed: 5.35 ft at 12:15PM Mar 19, 2023Observed: 5.35 ft at 12:30PM Mar 19, 2023Observed: 5.35 ft at 12:45PM Mar 19, 2023Observed: 5.35 ft at 1:00PM Mar 19, 2023Observed: 5.35 ft at 1:15PM Mar 19, 2023Observed: 5.35 ft at 1:30PM Mar 19, 2023Observed: 5.35 ft at 1:45PM Mar 19, 2023Observed: 5.35 ft at 2:00PM Mar 19, 2023Observed: 5.35 ft at 2:15PM Mar 19, 2023Observed: 5.35 ft at 2:30PM Mar 19, 2023Observed: 5.36 ft at 2:45PM Mar 19, 2023Observed: 5.36 ft at 3:00PM Mar 19, 2023Observed: 5.36 ft at 3:15PM Mar 19, 2023Observed: 5.36 ft at 3:30PM Mar 19, 2023Observed: 5.36 ft at 3:45PM Mar 19, 2023Observed: 5.36 ft at 4:00PM Mar 19, 2023Observed: 5.36 ft at 4:15PM Mar 19, 2023Observed: 5.36 ft at 4:30PM Mar 19, 2023Observed: 5.36 ft at 4:45PM Mar 19, 2023Highest Observation: 5.37 ft at 5:00PM Mar 19, 2023Highest Observation: 5.37 ft at 5:15PM Mar 19, 2023Highest Observation: 5.37 ft at 5:30PM Mar 19, 2023Highest Observation: 5.37 ft at 5:45PM Mar 19, 2023Highest Observation: 5.37 ft at 6:00PM Mar 19, 2023Highest Observation: 5.37 ft at 6:15PM Mar 19, 2023Highest Observation: 5.37 ft at 6:30PM Mar 19, 2023Highest Observation: 5.37 ft at 6:45PM Mar 19, 2023Highest Observation: 5.37 ft at 7:00PM Mar 19, 2023Highest Observation: 5.37 ft at 7:15PM Mar 19, 2023Highest Observation: 5.37 ft at 7:30PM Mar 19, 2023Highest Observation: 5.37 ft at 7:45PM Mar 19, 2023Highest Observation: 5.37 ft at 8:00PM Mar 19, 2023Highest Observation: 5.37 ft at 8:15PM Mar 19, 2023Highest Observation: 5.37 ft at 8:30PM Mar 19, 2023Highest Observation: 5.37 ft at 8:45PM Mar 19, 2023Highest Observation: 5.37 ft at 9:00PM Mar 19, 2023Highest Observation: 5.37 ft at 9:15PM Mar 19, 2023Highest Observation: 5.37 ft at 9:30PM Mar 19, 2023Highest Observation: 5.37 ft at 9:45PM Mar 19, 2023Highest Observation: 5.37 ft at 10:00PM Mar 19, 2023Observed: 5.36 ft at 10:15PM Mar 19, 2023Observed: 5.36 ft at 10:30PM Mar 19, 2023Observed: 5.36 ft at 10:45PM Mar 19, 2023Observed: 5.36 ft at 11:00PM Mar 19, 2023Observed: 5.36 ft at 11:15PM Mar 19, 2023Observed: 5.35 ft at 11:30PM Mar 19, 2023Observed: 5.35 ft at 11:45PM Mar 19, 2023Observed: 5.35 ft at 12:00AM Mar 20, 2023Observed: 5.35 ft at 12:15AM Mar 20, 2023Observed: 5.34 ft at 12:30AM Mar 20, 2023Observed: 5.34 ft at 12:45AM Mar 20, 2023Observed: 5.34 ft at 1:00AM Mar 20, 2023Observed: 5.34 ft at 1:15AM Mar 20, 2023Observed: 5.33 ft at 1:30AM Mar 20, 2023Observed: 5.33 ft at 1:45AM Mar 20, 2023Observed: 5.33 ft at 2:00AM Mar 20, 2023Observed: 5.33 ft at 2:15AM Mar 20, 2023Observed: 5.33 ft at 2:30AM Mar 20, 2023Observed: 5.33 ft at 2:45AM Mar 20, 2023Observed: 5.33 ft at 3:00AM Mar 20, 2023Observed: 5.33 ft at 3:15AM Mar 20, 2023Observed: 5.34 ft at 3:30AM Mar 20, 2023Observed: 5.34 ft at 3:45AM Mar 20, 2023Observed: 5.34 ft at 4:00AM Mar 20, 2023Observed: 5.34 ft at 4:15AM Mar 20, 2023Observed: 5.34 ft at 4:30AM Mar 20, 2023Observed: 5.34 ft at 4:45AM Mar 20, 2023Observed: 5.34 ft at 5:00AM Mar 20, 2023Observed: 5.34 ft at 5:15AM Mar 20, 2023Observed: 5.34 ft at 5:30AM Mar 20, 2023Observed: 5.33 ft at 5:45AM Mar 20, 2023Observed: 5.33 ft at 6:00AM Mar 20, 2023Observed: 5.33 ft at 6:15AM Mar 20, 2023Observed: 5.33 ft at 6:30AM Mar 20, 2023Observed: 5.32 ft at 6:45AM Mar 20, 2023Observed: 5.32 ft at 7:00AM Mar 20, 2023Observed: 5.32 ft at 7:15AM Mar 20, 2023Observed: 5.32 ft at 7:30AM Mar 20, 2023Observed: 5.32 ft at 7:45AM Mar 20, 2023Observed: 5.31 ft at 8:00AM Mar 20, 2023Observed: 5.31 ft at 8:15AM Mar 20, 2023Observed: 5.31 ft at 8:30AM Mar 20, 2023Observed: 5.31 ft at 8:45AM Mar 20, 2023Observed: 5.31 ft at 9:00AM Mar 20, 2023Observed: 5.31 ft at 9:15AM Mar 20, 2023Observed: 5.3 ft at 9:30AM Mar 20, 2023Observed: 5.3 ft at 9:45AM Mar 20, 2023Observed: 5.3 ft at 10:00AM Mar 20, 2023Observed: 5.3 ft at 10:15AM Mar 20, 2023Observed: 5.3 ft at 10:30AM Mar 20, 2023Observed: 5.3 ft at 10:45AM Mar 20, 2023Observed: 5.3 ft at 11:00AM Mar 20, 2023Observed: 5.29 ft at 11:15AM Mar 20, 2023Observed: 5.29 ft at 11:30AM Mar 20, 2023Observed: 5.29 ft at 11:45AM Mar 20, 2023Observed: 5.29 ft at 12:00PM Mar 20, 2023Observed: 5.29 ft at 1:15PM Mar 20, 2023Observed: 5.29 ft at 1:30PM Mar 20, 2023Observed: 5.29 ft at 1:45PM Mar 20, 2023Observed: 5.29 ft at 2:00PM Mar 20, 2023Observed: 5.29 ft at 2:15PM Mar 20, 2023Observed: 5.29 ft at 2:30PM Mar 20, 2023Observed: 5.3 ft at 2:45PM Mar 20, 2023Observed: 5.3 ft at 3:00PM Mar 20, 2023Observed: 5.3 ft at 3:15PM Mar 20, 2023Observed: 5.31 ft at 3:30PM Mar 20, 2023Observed: 5.31 ft at 3:45PM Mar 20, 2023Observed: 5.31 ft at 4:00PM Mar 20, 2023Observed: 5.31 ft at 4:15PM Mar 20, 2023Observed: 5.32 ft at 4:30PM Mar 20, 2023Observed: 5.32 ft at 4:45PM Mar 20, 2023Observed: 5.32 ft at 5:00PM Mar 20, 2023Observed: 5.32 ft at 5:15PM Mar 20, 2023Observed: 5.31 ft at 5:30PM Mar 20, 2023Observed: 5.31 ft at 5:45PM Mar 20, 2023Observed: 5.31 ft at 6:00PM Mar 20, 2023Observed: 5.31 ft at 6:15PM Mar 20, 2023Observed: 5.31 ft at 6:30PM Mar 20, 2023Observed: 5.3 ft at 6:45PM Mar 20, 2023Observed: 5.3 ft at 7:00PM Mar 20, 2023Observed: 5.3 ft at 7:15PM Mar 20, 2023Observed: 5.29 ft at 7:30PM Mar 20, 2023Observed: 5.29 ft at 7:45PM Mar 20, 2023Observed: 5.28 ft at 8:00PM Mar 20, 2023Observed: 5.28 ft at 8:15PM Mar 20, 2023Observed: 5.28 ft at 8:30PM Mar 20, 2023Observed: 5.27 ft at 8:45PM Mar 20, 2023Observed: 5.27 ft at 9:00PM Mar 20, 2023Observed: 5.27 ft at 9:15PM Mar 20, 2023Observed: 5.27 ft at 9:30PM Mar 20, 2023Observed: 5.26 ft at 9:45PM Mar 20, 2023Observed: 5.26 ft at 10:00PM Mar 20, 2023Observed: 5.26 ft at 10:15PM Mar 20, 2023Observed: 5.26 ft at 10:30PM Mar 20, 2023Observed: 5.25 ft at 10:45PM Mar 20, 2023Observed: 5.25 ft at 11:00PM Mar 20, 2023Observed: 5.25 ft at 11:15PM Mar 20, 2023Observed: 5.25 ft at 11:30PM Mar 20, 2023Observed: 5.24 ft at 11:45PM Mar 20, 2023Observed: 5.24 ft at 12:00AM Mar 21, 2023Observed: 5.24 ft at 12:15AM Mar 21, 2023Observed: 5.24 ft at 12:30AM Mar 21, 2023Observed: 5.24 ft at 12:45AM Mar 21, 2023Observed: 5.24 ft at 1:00AM Mar 21, 2023Observed: 5.24 ft at 1:15AM Mar 21, 2023Observed: 5.24 ft at 1:30AM Mar 21, 2023Observed: 5.24 ft at 1:45AM Mar 21, 2023Observed: 5.24 ft at 2:00AM Mar 21, 2023Observed: 5.24 ft at 2:15AM Mar 21, 2023Observed: 5.25 ft at 2:30AM Mar 21, 2023Observed: 5.25 ft at 2:45AM Mar 21, 2023Observed: 5.26 ft at 3:00AM Mar 21, 2023Observed: 5.26 ft at 3:15AM Mar 21, 2023Observed: 5.27 ft at 3:30AM Mar 21, 2023Observed: 5.27 ft at 3:45AM Mar 21, 2023Observed: 5.28 ft at 4:00AM Mar 21, 2023Observed: 5.28 ft at 4:15AM Mar 21, 2023Observed: 5.29 ft at 4:30AM Mar 21, 2023Observed: 5.29 ft at 4:45AM Mar 21, 2023Observed: 5.29 ft at 5:00AM Mar 21, 2023Observed: 5.3 ft at 5:15AM Mar 21, 2023Observed: 5.3 ft at 5:30AM Mar 21, 2023Observed: 5.3 ft at 5:45AM Mar 21, 2023Observed: 5.3 ft at 6:00AM Mar 21, 2023Observed: 5.3 ft at 6:15AM Mar 21, 2023Observed: 5.3 ft at 6:30AM Mar 21, 2023Observed: 5.3 ft at 6:45AM Mar 21, 2023Observed: 5.3 ft at 7:00AM Mar 21, 2023Observed: 5.3 ft at 7:15AM Mar 21, 2023Observed: 5.29 ft at 7:30AM Mar 21, 2023Observed: 5.29 ft at 7:45AM Mar 21, 2023Observed: 5.28 ft at 8:00AM Mar 21, 2023Observed: 5.28 ft at 8:15AM Mar 21, 2023Observed: 5.27 ft at 8:30AM Mar 21, 2023Observed: 5.27 ft at 8:45AM Mar 21, 2023Observed: 5.26 ft at 9:00AM Mar 21, 2023Observed: 5.26 ft at 9:15AM Mar 21, 2023Observed: 5.25 ft at 9:30AM Mar 21, 2023Observed: 5.25 ft at 9:45AM Mar 21, 2023Observed: 5.24 ft at 10:00AM Mar 21, 2023Observed: 5.24 ft at 10:15AM Mar 21, 2023Observed: 5.23 ft at 10:30AM Mar 21, 2023Observed: 5.23 ft at 10:45AM Mar 21, 2023Observed: 5.22 ft at 11:00AM Mar 21, 2023Observed: 5.22 ft at 11:15AM Mar 21, 2023Observed: 5.22 ft at 11:30AM Mar 21, 2023Observed: 5.21 ft at 11:45AM Mar 21, 2023Observed: 5.21 ft at 12:00PM Mar 21, 2023Observed: 5.21 ft at 12:15PM Mar 21, 2023Observed: 5.21 ft at 12:30PM Mar 21, 2023Observed: 5.2 ft at 12:45PM Mar 21, 2023Observed: 5.2 ft at 1:00PM Mar 21, 2023Observed: 5.2 ft at 1:15PM Mar 21, 2023Observed: 5.2 ft at 1:30PM Mar 21, 2023Observed: 5.2 ft at 1:45PM Mar 21, 2023Observed: 5.19 ft at 2:00PM Mar 21, 2023Observed: 5.19 ft at 2:15PM Mar 21, 2023Observed: 5.19 ft at 2:30PM Mar 21, 2023Observed: 5.19 ft at 2:45PM Mar 21, 2023Observed: 5.19 ft at 3:00PM Mar 21, 2023Observed: 5.19 ft at 3:15PM Mar 21, 2023Observed: 5.19 ft at 3:30PM Mar 21, 2023Observed: 5.19 ft at 3:45PM Mar 21, 2023Observed: 5.19 ft at 4:00PM Mar 21, 2023Observed: 5.19 ft at 4:15PM Mar 21, 2023Observed: 5.19 ft at 4:30PM Mar 21, 2023Observed: 5.19 ft at 4:45PM Mar 21, 2023Observed: 5.2 ft at 5:00PM Mar 21, 2023Observed: 5.2 ft at 5:15PM Mar 21, 2023Observed: 5.2 ft at 5:30PM Mar 21, 2023Observed: 5.2 ft at 5:45PM Mar 21, 2023Observed: 5.2 ft at 6:00PM Mar 21, 2023Observed: 5.2 ft at 6:15PM Mar 21, 2023Observed: 5.2 ft at 6:30PM Mar 21, 2023Observed: 5.2 ft at 6:45PM Mar 21, 2023Observed: 5.2 ft at 7:00PM Mar 21, 2023Observed: 5.2 ft at 7:15PM Mar 21, 2023Observed: 5.2 ft at 7:30PM Mar 21, 2023Observed: 5.2 ft at 7:45PM Mar 21, 2023Observed: 5.2 ft at 8:00PM Mar 21, 2023Observed: 5.2 ft at 8:15PM Mar 21, 2023Observed: 5.2 ft at 8:30PM Mar 21, 2023Observed: 5.2 ft at 8:45PM Mar 21, 2023Observed: 5.2 ft at 9:00PM Mar 21, 2023Observed: 5.2 ft at 9:15PM Mar 21, 2023Observed: 5.2 ft at 9:30PM Mar 21, 2023Observed: 5.2 ft at 9:45PM Mar 21, 2023Observed: 5.2 ft at 10:00PM Mar 21, 2023USGS--Water Resources of the United StatesALLM1(plotting HGIRG) Graph Created (11:16PM Mar 21, 2023)ObservedLatest observed value: 5.2 ft at 10:00 PM EDT 21-Mar-2023. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

NOTE: Forecasts for the Allagash River above Allagash are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Downstream Gauge Downstream Gauge - at Fort Kent
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 19.78 ft on 04/10/1991
(2) 19.48 ft on 04/18/1983
(3) 17.55 ft on 04/06/1988
(4) 14.89 ft on 04/30/2008
(5) 14.43 ft on 04/03/1975
(6) 14.22 ft on 04/22/1933
(7) 14.16 ft on 04/23/1960
(8) 13.83 ft on 04/26/1970
(9) 13.18 ft on 04/24/2007
(10) 13.14 ft on 05/01/1939
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.89 ft on 04/30/2008
(2) 13.18 ft on 04/24/2007
(3) 12.98 ft on 04/16/1994
(4) 19.78 ft on 04/10/1991
(5) 17.55 ft on 04/06/1988
(6) 12.37 ft on 04/17/1984
(7) 19.48 ft on 04/18/1983
(8) 12.76 ft on 04/05/1981
(9) 12.63 ft on 04/25/1978
(10) 14.43 ft on 04/03/1975
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
19 Flooding upstream of Eliza Hole Rapids. Michaud Road becomes impassable. Numerous camps and camp roads flooded. Flooding similar to April 1983 and 1991.
17 Flooding on the Inn and Michaud Tote Roads.
15 Minor lowland flooding occurs due to backwater issues.
12 River approaches bankfull.
Photos
(1) Gage Looking Downstream
(2) Upstream View
(3) Downstream View
(4) Gage House
(5) Gage House Looking Upstream
(6) Upstream Cableway
About This Location Collapse

Latitude: 47.069722° N, Longitude: 69.079444° W, Horizontal Datum: NAD83/WGS84

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 29 604.6 ft 619.6 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:
Additional Information Collapse
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.
Resources Collapse
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
Caribou Weather Forecast Office
810 Main St.
Caribou, ME 04736
(207) 492-0170
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