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Hydrograph River at a Glance Download
Ketchikan Creek at Ketchikan Lake Pool (ft)Observed: 338.45 ft at 10:00AM Mar 01, 2021Observed: 338.47 ft at 11:00AM Mar 01, 2021Observed: 338.46 ft at 12:00PM Mar 01, 2021Observed: 338.47 ft at 1:00PM Mar 01, 2021Observed: 338.47 ft at 2:00PM Mar 01, 2021Observed: 338.45 ft at 3:00PM Mar 01, 2021Observed: 338.45 ft at 4:00PM Mar 01, 2021Observed: 338.44 ft at 5:00PM Mar 01, 2021Observed: 338.44 ft at 6:00PM Mar 01, 2021Observed: 338.43 ft at 7:00PM Mar 01, 2021Observed: 338.43 ft at 8:00PM Mar 01, 2021Observed: 338.43 ft at 9:00PM Mar 01, 2021Observed: 338.43 ft at 10:00PM Mar 01, 2021Observed: 338.44 ft at 11:00PM Mar 01, 2021Observed: 338.44 ft at 12:00AM Mar 02, 2021Observed: 338.46 ft at 1:00AM Mar 02, 2021Observed: 338.47 ft at 2:00AM Mar 02, 2021Observed: 338.49 ft at 3:00AM Mar 02, 2021Observed: 338.49 ft at 4:00AM Mar 02, 2021Observed: 338.5 ft at 5:00AM Mar 02, 2021Observed: 338.5 ft at 6:00AM Mar 02, 2021Observed: 338.5 ft at 7:00AM Mar 02, 2021Observed: 338.51 ft at 8:00AM Mar 02, 2021Observed: 338.52 ft at 9:00AM Mar 02, 2021Observed: 338.54 ft at 10:00AM Mar 02, 2021Observed: 338.54 ft at 11:00AM Mar 02, 2021Observed: 338.53 ft at 12:00PM Mar 02, 2021Observed: 338.54 ft at 1:00PM Mar 02, 2021Observed: 338.55 ft at 2:00PM Mar 02, 2021Observed: 338.54 ft at 3:00PM Mar 02, 2021Observed: 338.53 ft at 4:00PM Mar 02, 2021Observed: 338.54 ft at 5:00PM Mar 02, 2021Observed: 338.53 ft at 6:00PM Mar 02, 2021Observed: 338.52 ft at 7:00PM Mar 02, 2021Observed: 338.53 ft at 8:00PM Mar 02, 2021Observed: 338.53 ft at 9:00PM Mar 02, 2021Observed: 338.54 ft at 10:00PM Mar 02, 2021Observed: 338.54 ft at 11:00PM Mar 02, 2021Observed: 338.55 ft at 12:00AM Mar 03, 2021Observed: 338.55 ft at 1:00AM Mar 03, 2021Observed: 338.55 ft at 2:00AM Mar 03, 2021Observed: 338.55 ft at 3:00AM Mar 03, 2021Observed: 338.56 ft at 4:00AM Mar 03, 2021Observed: 338.57 ft at 5:00AM Mar 03, 2021Observed: 338.58 ft at 6:00AM Mar 03, 2021Observed: 338.59 ft at 7:00AM Mar 03, 2021Observed: 338.6 ft at 8:00AM Mar 03, 2021Observed: 338.6 ft at 9:00AM Mar 03, 2021Observed: 338.61 ft at 10:00AM Mar 03, 2021Observed: 338.61 ft at 11:00AM Mar 03, 2021Observed: 338.61 ft at 12:00PM Mar 03, 2021Observed: 338.61 ft at 1:00PM Mar 03, 2021Observed: 338.62 ft at 2:00PM Mar 03, 2021Observed: 338.62 ft at 3:00PM Mar 03, 2021Observed: 338.61 ft at 4:00PM Mar 03, 2021Observed: 338.61 ft at 5:00PM Mar 03, 2021Observed: 338.63 ft at 6:00PM Mar 03, 2021Observed: 338.64 ft at 7:00PM Mar 03, 2021Observed: 338.66 ft at 8:00PM Mar 03, 2021Observed: 338.68 ft at 9:00PM Mar 03, 2021Observed: 338.69 ft at 10:00PM Mar 03, 2021Observed: 338.72 ft at 11:00PM Mar 03, 2021Observed: 338.73 ft at 12:00AM Mar 04, 2021Observed: 338.74 ft at 1:00AM Mar 04, 2021Observed: 338.75 ft at 2:00AM Mar 04, 2021Observed: 338.76 ft at 3:00AM Mar 04, 2021Observed: 338.76 ft at 4:00AM Mar 04, 2021Observed: 338.76 ft at 5:00AM Mar 04, 2021Observed: 338.76 ft at 6:00AM Mar 04, 2021Observed: 338.75 ft at 7:00AM Mar 04, 2021Observed: 338.75 ft at 8:00AM Mar 04, 2021Observed: 338.75 ft at 9:00AM Mar 04, 2021Observed: 338.75 ft at 10:00AM Mar 04, 2021Observed: 338.75 ft at 11:00AM Mar 04, 2021Observed: 338.74 ft at 4:00PM Mar 04, 2021Observed: 338.77 ft at 5:00PM Mar 04, 2021Observed: 338.79 ft at 6:00PM Mar 04, 2021Observed: 338.8 ft at 7:00PM Mar 04, 2021Observed: 338.8 ft at 8:00PM Mar 04, 2021Observed: 338.82 ft at 9:00PM Mar 04, 2021Observed: 338.83 ft at 10:00PM Mar 04, 2021Observed: 338.83 ft at 11:00PM Mar 04, 2021Observed: 338.84 ft at 12:00AM Mar 05, 2021Observed: 338.86 ft at 1:00AM Mar 05, 2021Highest Observation: 338.87 ft at 2:00AM Mar 05, 2021Highest Observation: 338.87 ft at 3:00AM Mar 05, 2021Highest Observation: 338.87 ft at 4:00AM Mar 05, 2021Highest Observation: 338.87 ft at 5:00AM Mar 05, 2021Observed: 338.86 ft at 6:00AM Mar 05, 2021Observed: 338.85 ft at 7:00AM Mar 05, 2021Observed: 338.85 ft at 8:00AM Mar 05, 2021Observed: 338.85 ft at 9:00AM Mar 05, 2021Observed: 338.85 ft at 10:00AM Mar 05, 2021Observed: 338.85 ft at 11:00AM Mar 05, 2021Observed: 338.85 ft at 12:00PM Mar 05, 2021Observed: 338.85 ft at 1:00PM Mar 05, 2021Observed: 338.85 ft at 2:00PM Mar 05, 2021Observed: 338.85 ft at 3:00PM Mar 05, 2021Highest Observation: 338.87 ft at 4:00PM Mar 05, 2021Highest Observation: 338.87 ft at 5:00PM Mar 05, 2021Highest Observation: 338.87 ft at 6:00PM Mar 05, 2021Highest Observation: 338.87 ft at 7:00PM Mar 05, 2021Highest Observation: 338.87 ft at 8:00PM Mar 05, 2021Highest Observation: 338.87 ft at 9:00PM Mar 05, 2021Highest Observation: 338.87 ft at 10:00PM Mar 05, 2021Highest Observation: 338.87 ft at 11:00PM Mar 05, 2021Observed: 338.86 ft at 12:00AM Mar 06, 2021Highest Observation: 338.87 ft at 1:00AM Mar 06, 2021Highest Observation: 338.87 ft at 2:00AM Mar 06, 2021Highest Observation: 338.87 ft at 3:00AM Mar 06, 2021Highest Observation: 338.87 ft at 4:00AM Mar 06, 2021Highest Observation: 338.87 ft at 5:00AM Mar 06, 2021Observed: 338.86 ft at 6:00AM Mar 06, 2021Observed: 338.86 ft at 7:00AM Mar 06, 2021Observed: 338.86 ft at 8:00AM Mar 06, 2021Observed: 338.86 ft at 9:00AM Mar 06, 2021Observed: 338.85 ft at 10:00AM Mar 06, 2021Observed: 338.85 ft at 11:00AM Mar 06, 2021Observed: 338.85 ft at 12:00PM Mar 06, 2021Observed: 338.85 ft at 1:00PM Mar 06, 2021Observed: 338.85 ft at 2:00PM Mar 06, 2021Observed: 338.84 ft at 3:00PM Mar 06, 2021Observed: 338.82 ft at 4:00PM Mar 06, 2021Observed: 338.81 ft at 5:00PM Mar 06, 2021Observed: 338.81 ft at 6:00PM Mar 06, 2021Observed: 338.81 ft at 7:00PM Mar 06, 2021Observed: 338.8 ft at 8:00PM Mar 06, 2021Observed: 338.8 ft at 9:00PM Mar 06, 2021Observed: 338.79 ft at 10:00PM Mar 06, 2021Observed: 338.77 ft at 11:00PM Mar 06, 2021Observed: 338.78 ft at 12:00AM Mar 07, 2021Observed: 338.78 ft at 1:00AM Mar 07, 2021Observed: 338.78 ft at 2:00AM Mar 07, 2021Observed: 338.77 ft at 3:00AM Mar 07, 2021Observed: 338.76 ft at 4:00AM Mar 07, 2021Observed: 338.76 ft at 5:00AM Mar 07, 2021Observed: 338.76 ft at 6:00AM Mar 07, 2021Observed: 338.74 ft at 7:00AM Mar 07, 2021Observed: 338.74 ft at 8:00AM Mar 07, 2021Observed: 338.74 ft at 9:00AM Mar 07, 2021Observed: 338.73 ft at 10:00AM Mar 07, 2021Observed: 338.73 ft at 11:00AM Mar 07, 2021Observed: 338.73 ft at 12:00PM Mar 07, 2021Observed: 338.73 ft at 1:00PM Mar 07, 2021Observed: 338.72 ft at 2:00PM Mar 07, 2021Observed: 338.71 ft at 3:00PM Mar 07, 2021Observed: 338.7 ft at 4:00PM Mar 07, 2021Observed: 338.7 ft at 5:00PM Mar 07, 2021Observed: 338.69 ft at 6:00PM Mar 07, 2021Observed: 338.69 ft at 7:00PM Mar 07, 2021Observed: 338.69 ft at 8:00PM Mar 07, 2021Observed: 338.68 ft at 9:00PM Mar 07, 2021Observed: 338.66 ft at 10:00PM Mar 07, 2021Observed: 338.65 ft at 11:00PM Mar 07, 2021Observed: 338.65 ft at 12:00AM Mar 08, 2021Observed: 338.64 ft at 1:00AM Mar 08, 2021Observed: 338.63 ft at 2:00AM Mar 08, 2021Observed: 338.62 ft at 3:00AM Mar 08, 2021Ketchikan Public UtilitiesKDLA2(plotting HPIRZ) Graph Created (4:17AM Mar 8, 2021)ObservedLatest observed value: 338.62 ft at 3:00 AM AKST 8-Mar-2021. Flood Stage is 349 ft
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About this graph
Tabular Data (UTC)
Tabular Data (AKST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts are not available for the Ketchikan Creek at Ketchikan Lake. Only observed stages are available for this point.

Return to Area Map
Downstream Gauge Downstream Gauge - at Ketchikan Powerhouse
Flood Categories (in feet)
Major Flood Stage: 354
Moderate Flood Stage: 350
Flood Stage: 349
Action Stage: 348
Low Stage (in feet): -9999

Historic Crests
(1) 350.20 ft on 01/21/2015
(2) 350.10 ft on 12/05/2020
(3) 349.30 ft on 12/14/2013
(4) 349.18 ft on 12/02/2020
(5) 348.71 ft on 08/28/2017
(6) 348.28 ft on 02/26/2016
(7) 346.57 ft on 12/17/2017

(P): Preliminary values subject to further review.

Recent Crests
(1) 350.10 ft on 12/05/2020
(2) 349.18 ft on 12/02/2020
(3) 346.57 ft on 12/17/2017
(4) 348.71 ft on 08/28/2017
(5) 348.28 ft on 02/26/2016
(6) 350.20 ft on 01/21/2015
(7) 349.30 ft on 12/14/2013

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:13
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
354 This level would produce major damage downstream along Ketchikan creek and surrounding areas.
350.2 This is moderate flood stage with significant flooding along Ketchikan Creek. Yards and homes will be flooded along with potential damage to bridges from debris flowing downstream. Water will be over knee deep along Freeman St. Flooding could be worse during high tide along Creek St.
349.9 Minor flooding along Ketchikan Creek with flooding of yards and some roads above and below Park ave bridge. Flooding could be worse due to high tide along Creek St.
349 There will be 2 feet of water going over the emergency spillway. Minor flooding will occur along Ketchikan Creek mainly below the Park ave bridge. There are some tidal effects along Creek St and flooding could be worse at high tides.
348 There will be 1 foot of water going over the emergency spillway at the dam with bankful conditions along Ketchikan Creek.
Photos
(1) Moderate flooding along Freeman St when Ketchikan Lakes Dam level is 350.2ft.
(2) Flooding along Ketchikan Creek above Park ave bridge when Ketchikan Lakes Dam level read 350.2ft.
(3) Moderate flooding along Ketchikan Creek below Park ave bridge, Ketchikan Lakes Dam level is 350.2ft.
(4) Very high water along Creek St when Ketchikan Lakes Dam is 350.2ft and at high tide.
About This Location Collapse

Latitude: 55.360000° N, Longitude: 131.621667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 349 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  
Additional Information Collapse
30 Day Graph
Water Temperature Chart
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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
Juneau Weather Forecast Office
8500 Mendenhall Loop Road
Juneau, AK 99801
(907) 790-6802
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