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Hydrograph River at a Glance Download
Little Susitna River at Hatcher Pass Rd Bridge Stage (ft)Observed: 4.98 ft at 6:00AM May 14, 2024Observed: 5.02 ft at 7:00AM May 14, 2024Observed: 5.08 ft at 8:00AM May 14, 2024Observed: 5.07 ft at 9:06AM May 14, 2024Observed: 5.08 ft at 10:00AM May 14, 2024Observed: 5.08 ft at 11:00AM May 14, 2024Observed: 5.06 ft at 12:31PM May 14, 2024Observed: 5.04 ft at 1:32PM May 14, 2024Observed: 5.04 ft at 2:00PM May 14, 2024Observed: 5.03 ft at 3:00PM May 14, 2024Observed: 4.96 ft at 4:06PM May 14, 2024Observed: 4.93 ft at 5:00PM May 14, 2024Observed: 4.97 ft at 6:00PM May 14, 2024Observed: 4.84 ft at 7:00PM May 14, 2024Observed: 4.84 ft at 8:19PM May 14, 2024Observed: 4.9 ft at 9:00PM May 14, 2024Observed: 4.95 ft at 10:00PM May 14, 2024Observed: 4.97 ft at 11:07PM May 14, 2024Observed: 4.99 ft at 12:00AM May 15, 2024Observed: 4.98 ft at 1:00AM May 15, 2024Observed: 4.97 ft at 2:00AM May 15, 2024Observed: 5.01 ft at 3:00AM May 15, 2024Observed: 5.02 ft at 4:07AM May 15, 2024Observed: 5.01 ft at 5:00AM May 15, 2024Observed: 4.99 ft at 6:00AM May 15, 2024Observed: 5.08 ft at 7:00AM May 15, 2024Observed: 5.09 ft at 8:00AM May 15, 2024Observed: 5.11 ft at 9:00AM May 15, 2024Observed: 5.11 ft at 10:00AM May 15, 2024Observed: 5.12 ft at 11:00AM May 15, 2024Observed: 5.11 ft at 12:00PM May 15, 2024Observed: 5.11 ft at 1:06PM May 15, 2024Observed: 5.05 ft at 2:00PM May 15, 2024Observed: 5.02 ft at 3:00PM May 15, 2024Observed: 4.95 ft at 4:00PM May 15, 2024Observed: 4.94 ft at 5:00PM May 15, 2024Observed: 4.91 ft at 6:00PM May 15, 2024Observed: 4.89 ft at 7:00PM May 15, 2024Observed: 4.91 ft at 8:12PM May 15, 2024Observed: 4.96 ft at 9:00PM May 15, 2024Observed: 5.01 ft at 10:00PM May 15, 2024Observed: 4.99 ft at 11:00PM May 15, 2024Observed: 5.04 ft at 12:00AM May 16, 2024Observed: 4.96 ft at 1:00AM May 16, 2024Observed: 4.98 ft at 2:00AM May 16, 2024Observed: 5.03 ft at 3:00AM May 16, 2024Observed: 5.03 ft at 4:00AM May 16, 2024Observed: 5.03 ft at 5:00AM May 16, 2024Observed: 5.04 ft at 6:00AM May 16, 2024Observed: 5.06 ft at 7:00AM May 16, 2024Observed: 5.1 ft at 8:00AM May 16, 2024Observed: 5.11 ft at 9:00AM May 16, 2024Observed: 5.13 ft at 10:00AM May 16, 2024Observed: 5.12 ft at 11:00AM May 16, 2024Observed: 5.13 ft at 12:25PM May 16, 2024Observed: 5.1 ft at 1:00PM May 16, 2024Observed: 5.1 ft at 2:00PM May 16, 2024Observed: 5.08 ft at 3:00PM May 16, 2024Observed: 5.09 ft at 4:00PM May 16, 2024Observed: 5.08 ft at 5:00PM May 16, 2024Observed: 5.1 ft at 6:19PM May 16, 2024Observed: 5.11 ft at 7:06PM May 16, 2024Observed: 5.11 ft at 8:07PM May 16, 2024Observed: 5.11 ft at 9:00PM May 16, 2024Observed: 5.11 ft at 10:00PM May 16, 2024Observed: 5.1 ft at 11:00PM May 16, 2024Observed: 5.09 ft at 12:00AM May 17, 2024Observed: 5.11 ft at 1:00AM May 17, 2024Observed: 5.1 ft at 2:00AM May 17, 2024Observed: 5.12 ft at 3:00AM May 17, 2024Observed: 5.08 ft at 4:13AM May 17, 2024Observed: 5.11 ft at 5:00AM May 17, 2024Observed: 5.09 ft at 6:00AM May 17, 2024Observed: 5.13 ft at 7:00AM May 17, 2024Observed: 5.15 ft at 8:00AM May 17, 2024Observed: 5.14 ft at 9:00AM May 17, 2024Observed: 5.15 ft at 10:00AM May 17, 2024Observed: 5.14 ft at 11:06AM May 17, 2024Observed: 5.13 ft at 12:06PM May 17, 2024Observed: 5.14 ft at 1:32PM May 17, 2024Observed: 5.11 ft at 2:00PM May 17, 2024Observed: 5.13 ft at 3:00PM May 17, 2024Observed: 5.15 ft at 4:00PM May 17, 2024Observed: 5.11 ft at 5:00PM May 17, 2024Observed: 5.11 ft at 6:12PM May 17, 2024Observed: 5.08 ft at 7:18PM May 17, 2024Observed: 4.99 ft at 8:39PM May 17, 2024Observed: 4.96 ft at 9:00PM May 17, 2024Observed: 5.08 ft at 10:00PM May 17, 2024Observed: 5.01 ft at 11:07PM May 17, 2024Observed: 5.03 ft at 12:00AM May 18, 2024Observed: 5.04 ft at 1:00AM May 18, 2024Observed: 5.06 ft at 2:00AM May 18, 2024Observed: 5.09 ft at 3:00AM May 18, 2024Observed: 5.09 ft at 4:06AM May 18, 2024Observed: 5.12 ft at 5:00AM May 18, 2024Observed: 5.13 ft at 6:00AM May 18, 2024Observed: 5.14 ft at 7:00AM May 18, 2024Observed: 5.16 ft at 8:00AM May 18, 2024Observed: 5.16 ft at 9:00AM May 18, 2024Observed: 5.14 ft at 10:00AM May 18, 2024Observed: 5.13 ft at 11:06AM May 18, 2024Observed: 5.13 ft at 1:00PM May 18, 2024Observed: 5.12 ft at 2:00PM May 18, 2024Observed: 5.05 ft at 4:00PM May 18, 2024Observed: 5.11 ft at 5:00PM May 18, 2024Observed: 5.13 ft at 6:00PM May 18, 2024Observed: 5.13 ft at 7:00PM May 18, 2024Observed: 5 ft at 8:00PM May 18, 2024Observed: 5.04 ft at 9:00PM May 18, 2024Observed: 5.12 ft at 10:00PM May 18, 2024Observed: 5.13 ft at 11:00PM May 18, 2024Observed: 5.15 ft at 12:00AM May 19, 2024Observed: 5.14 ft at 1:00AM May 19, 2024Observed: 5.15 ft at 2:00AM May 19, 2024Observed: 5.16 ft at 3:00AM May 19, 2024Observed: 5.14 ft at 4:00AM May 19, 2024Observed: 5.17 ft at 5:00AM May 19, 2024Observed: 5.21 ft at 6:00AM May 19, 2024Observed: 5.2 ft at 7:00AM May 19, 2024Observed: 5.22 ft at 8:00AM May 19, 2024Observed: 5.23 ft at 9:00AM May 19, 2024Observed: 5.22 ft at 10:00AM May 19, 2024Observed: 5.21 ft at 11:00AM May 19, 2024Highest Observation: 5.25 ft at 12:00PM May 19, 2024Observed: 5.21 ft at 1:00PM May 19, 2024Observed: 5.21 ft at 2:00PM May 19, 2024Observed: 5.23 ft at 3:00PM May 19, 2024Observed: 5.19 ft at 4:00PM May 19, 2024Observed: 5.16 ft at 5:00PM May 19, 2024Observed: 5.16 ft at 6:00PM May 19, 2024Observed: 5.18 ft at 7:00PM May 19, 2024Observed: 5.19 ft at 8:00PM May 19, 2024Observed: 5.19 ft at 9:00PM May 19, 2024Observed: 5.18 ft at 10:00PM May 19, 2024Observed: 5.1 ft at 11:00PM May 19, 2024Observed: 5.13 ft at 12:00AM May 20, 2024Observed: 5.12 ft at 1:00AM May 20, 2024Observed: 5.13 ft at 2:00AM May 20, 2024Observed: 5.14 ft at 3:00AM May 20, 2024Observed: 5.17 ft at 4:00AM May 20, 2024Observed: 5.17 ft at 5:00AM May 20, 2024Observed: 5.16 ft at 6:00AM May 20, 2024Observed: 5.2 ft at 7:00AM May 20, 2024Observed: 5.23 ft at 8:00AM May 20, 2024Observed: 5.21 ft at 9:00AM May 20, 2024Observed: 5.2 ft at 10:00AM May 20, 2024Observed: 5.21 ft at 11:00AM May 20, 2024Observed: 5.21 ft at 12:00PM May 20, 2024Observed: 5.2 ft at 1:00PM May 20, 2024Observed: 5.15 ft at 2:00PM May 20, 2024Observed: 5.15 ft at 3:00PM May 20, 2024Observed: 5.1 ft at 4:00PM May 20, 2024Observed: 5.04 ft at 5:00PM May 20, 2024Observed: 5.04 ft at 6:00PM May 20, 2024Observed: 5 ft at 7:00PM May 20, 2024Observed: 4.97 ft at 8:00PM May 20, 2024Observed: 4.98 ft at 9:00PM May 20, 2024Observed: 5.06 ft at 10:00PM May 20, 2024Observed: 5.05 ft at 11:00PM May 20, 2024Observed: 5.06 ft at 12:00AM May 21, 2024Observed: 5.09 ft at 1:00AM May 21, 2024Observed: 5.06 ft at 2:00AM May 21, 2024Observed: 5.11 ft at 3:00AM May 21, 2024Observed: 5.15 ft at 4:00AM May 21, 2024Observed: 5.14 ft at 5:00AM May 21, 2024Forecast: 5.15 ft 10:00AM May 21, 2024Forecast: 5.14 ft 4:00PM May 21, 2024Forecast: 5.17 ft 10:00PM May 21, 2024Forecast: 5.24 ft 4:00AM May 22, 2024Forecast: 5.32 ft 10:00AM May 22, 2024Highest Forecast: 5.41 ft 4:00PM May 22, 2024LSHA2(plotting HGIRZ) Graph Created (5:46AM May 21, 2024)ObservedForecast (issued 1:17PM May 20)Latest observed value: 5.14 ft at 5:00 AM AKDT 21-May-2024. Flood Stage is 11 ft
About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage data may not be available during winter months.

NOTE: Forecasts for the Little Susitna River at Hatcher Pass Rd Bridge are issued routinely during the warm season, and as needed at other times of the year.

Return to Area Map
Downstream Gauge Downstream Gauge - below Hatcher Pass Bridge
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 10.9
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 12.45 ft on 09/21/2012
(2) 10.97 ft on 08/19/2006
(3) 9.67 ft on 11/10/2005
(4) 8.96 ft on 10/01/2015
(5) 8.96 ft on 10/01/2015
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.96 ft on 10/01/2015
(2) 8.96 ft on 10/01/2015
(3) 8.48 ft on 06/10/2013
(4) 12.45 ft on 09/21/2012
(5) 8.33 ft on 08/09/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

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
8 Class VI- whitewater
7.5 High water level -- Class V- whitewater above Hatcher bridge
7 Medium water level -- Class V- whitewater above Hatcher bridge
6.3 Low water level -- Class V- whitewater above Hatcher bridge
Photos
(1) Downstream
(2) Upstream
About This Location Collapse

Latitude: 61.709722° N, Longitude: 149.231944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 NULL NULL  
Additional Information Collapse
Long-term Hydrograph
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
Anchorage Weather Forecast Office
6930 Sand Lake Road
Anchorage, AK 99502
(907) 266-5105
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Page last modified: 2-Nov-2020 7:26 PM
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