Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Susquehanna River at Marietta Stage (ft)Flow (kcfs)Observed: 41.83 ft at 2:30AM Apr 17, 2014Observed: 41.86 ft at 3:00AM Apr 17, 2014Observed: 41.9 ft at 3:30AM Apr 17, 2014Observed: 41.94 ft at 4:00AM Apr 17, 2014Observed: 41.96 ft at 4:30AM Apr 17, 2014Observed: 42 ft at 5:00AM Apr 17, 2014Observed: 42.02 ft at 5:30AM Apr 17, 2014Observed: 42.05 ft at 6:00AM Apr 17, 2014Observed: 42.08 ft at 6:30AM Apr 17, 2014Observed: 42.1 ft at 7:00AM Apr 17, 2014Observed: 42.12 ft at 7:30AM Apr 17, 2014Observed: 42.14 ft at 8:00AM Apr 17, 2014Observed: 42.16 ft at 8:30AM Apr 17, 2014Observed: 42.17 ft at 9:00AM Apr 17, 2014Observed: 42.18 ft at 9:30AM Apr 17, 2014Observed: 42.2 ft at 10:00AM Apr 17, 2014Observed: 42.21 ft at 10:30AM Apr 17, 2014Observed: 42.22 ft at 11:00AM Apr 17, 2014Observed: 42.22 ft at 11:30AM Apr 17, 2014Observed: 42.23 ft at 12:00PM Apr 17, 2014Observed: 42.23 ft at 12:30PM Apr 17, 2014Highest Observation: 42.24 ft at 1:00PM Apr 17, 2014Highest Observation: 42.24 ft at 1:30PM Apr 17, 2014Highest Observation: 42.24 ft at 2:00PM Apr 17, 2014Highest Observation: 42.24 ft at 2:30PM Apr 17, 2014Highest Observation: 42.24 ft at 3:00PM Apr 17, 2014Highest Observation: 42.24 ft at 3:30PM Apr 17, 2014Highest Observation: 42.24 ft at 4:00PM Apr 17, 2014Highest Observation: 42.24 ft at 4:30PM Apr 17, 2014Highest Observation: 42.24 ft at 5:00PM Apr 17, 2014Highest Observation: 42.24 ft at 5:30PM Apr 17, 2014Highest Observation: 42.24 ft at 6:00PM Apr 17, 2014Highest Observation: 42.24 ft at 6:30PM Apr 17, 2014Highest Observation: 42.24 ft at 7:00PM Apr 17, 2014Highest Observation: 42.24 ft at 7:30PM Apr 17, 2014Observed: 42.23 ft at 8:00PM Apr 17, 2014Observed: 42.23 ft at 8:30PM Apr 17, 2014Observed: 42.23 ft at 9:00PM Apr 17, 2014Observed: 42.22 ft at 9:30PM Apr 17, 2014Observed: 42.22 ft at 10:00PM Apr 17, 2014Observed: 42.22 ft at 10:30PM Apr 17, 2014Observed: 42.22 ft at 11:00PM Apr 17, 2014Observed: 42.22 ft at 11:30PM Apr 17, 2014Observed: 42.22 ft at 12:00AM Apr 18, 2014Observed: 42.22 ft at 12:30AM Apr 18, 2014Observed: 42.22 ft at 1:00AM Apr 18, 2014Observed: 42.21 ft at 1:30AM Apr 18, 2014Observed: 42.2 ft at 2:00AM Apr 18, 2014Observed: 42.2 ft at 2:30AM Apr 18, 2014Observed: 42.2 ft at 3:00AM Apr 18, 2014Observed: 42.2 ft at 3:30AM Apr 18, 2014Observed: 42.2 ft at 4:00AM Apr 18, 2014Observed: 42.21 ft at 4:30AM Apr 18, 2014Observed: 42.2 ft at 5:00AM Apr 18, 2014Observed: 42.2 ft at 5:30AM Apr 18, 2014Observed: 42.2 ft at 6:00AM Apr 18, 2014Observed: 42.2 ft at 6:30AM Apr 18, 2014Observed: 42.2 ft at 7:00AM Apr 18, 2014Observed: 42.19 ft at 7:30AM Apr 18, 2014Observed: 42.19 ft at 8:00AM Apr 18, 2014Observed: 42.18 ft at 8:30AM Apr 18, 2014Observed: 42.18 ft at 9:00AM Apr 18, 2014Observed: 42.18 ft at 9:30AM Apr 18, 2014Observed: 42.18 ft at 10:00AM Apr 18, 2014Observed: 42.17 ft at 10:30AM Apr 18, 2014Observed: 42.16 ft at 11:00AM Apr 18, 2014Observed: 42.14 ft at 11:30AM Apr 18, 2014Observed: 42.12 ft at 12:00PM Apr 18, 2014Observed: 42.12 ft at 12:30PM Apr 18, 2014Observed: 42.12 ft at 1:00PM Apr 18, 2014Observed: 42.11 ft at 1:30PM Apr 18, 2014Observed: 42.1 ft at 2:00PM Apr 18, 2014Observed: 42.09 ft at 2:30PM Apr 18, 2014Observed: 42.07 ft at 3:00PM Apr 18, 2014Observed: 42.06 ft at 3:30PM Apr 18, 2014Observed: 42.04 ft at 4:00PM Apr 18, 2014Observed: 42.03 ft at 4:30PM Apr 18, 2014Observed: 42.02 ft at 5:00PM Apr 18, 2014Observed: 42 ft at 5:30PM Apr 18, 2014Observed: 41.98 ft at 6:00PM Apr 18, 2014Observed: 41.97 ft at 6:30PM Apr 18, 2014Observed: 41.96 ft at 7:00PM Apr 18, 2014Observed: 41.94 ft at 7:30PM Apr 18, 2014Observed: 41.92 ft at 8:00PM Apr 18, 2014Observed: 41.91 ft at 8:15PM Apr 18, 2014Observed: 41.91 ft at 8:30PM Apr 18, 2014Observed: 41.9 ft at 9:00PM Apr 18, 2014Observed: 41.88 ft at 9:30PM Apr 18, 2014Observed: 41.87 ft at 10:00PM Apr 18, 2014Observed: 41.85 ft at 10:30PM Apr 18, 2014Observed: 41.83 ft at 11:00PM Apr 18, 2014Observed: 41.81 ft at 11:30PM Apr 18, 2014Observed: 41.8 ft at 12:00AM Apr 19, 2014Observed: 41.78 ft at 12:30AM Apr 19, 2014Observed: 41.76 ft at 1:00AM Apr 19, 2014Observed: 41.74 ft at 1:30AM Apr 19, 2014Observed: 41.72 ft at 2:00AM Apr 19, 2014Observed: 41.71 ft at 2:30AM Apr 19, 2014Observed: 41.69 ft at 3:00AM Apr 19, 2014Observed: 41.67 ft at 3:30AM Apr 19, 2014Observed: 41.66 ft at 4:00AM Apr 19, 2014Observed: 41.64 ft at 4:30AM Apr 19, 2014Observed: 41.62 ft at 5:00AM Apr 19, 2014Observed: 41.6 ft at 5:30AM Apr 19, 2014Observed: 41.58 ft at 6:00AM Apr 19, 2014Observed: 41.57 ft at 6:30AM Apr 19, 2014Observed: 41.55 ft at 7:00AM Apr 19, 2014Observed: 41.54 ft at 7:30AM Apr 19, 2014Observed: 41.52 ft at 8:00AM Apr 19, 2014Observed: 41.5 ft at 8:30AM Apr 19, 2014Observed: 41.48 ft at 9:00AM Apr 19, 2014Observed: 41.47 ft at 9:30AM Apr 19, 2014Observed: 41.45 ft at 10:00AM Apr 19, 2014Observed: 41.43 ft at 10:30AM Apr 19, 2014Observed: 41.42 ft at 11:00AM Apr 19, 2014Observed: 41.4 ft at 11:30AM Apr 19, 2014Observed: 41.38 ft at 12:00PM Apr 19, 2014Observed: 41.37 ft at 12:30PM Apr 19, 2014Observed: 41.35 ft at 1:00PM Apr 19, 2014Observed: 41.34 ft at 1:30PM Apr 19, 2014Observed: 41.32 ft at 2:00PM Apr 19, 2014Observed: 41.31 ft at 2:30PM Apr 19, 2014Observed: 41.29 ft at 3:00PM Apr 19, 2014Observed: 41.27 ft at 3:30PM Apr 19, 2014Observed: 41.26 ft at 4:00PM Apr 19, 2014Observed: 41.24 ft at 4:30PM Apr 19, 2014Observed: 41.22 ft at 5:00PM Apr 19, 2014Observed: 41.2 ft at 5:30PM Apr 19, 2014Observed: 41.18 ft at 6:00PM Apr 19, 2014Observed: 41.16 ft at 6:30PM Apr 19, 2014Observed: 41.14 ft at 7:00PM Apr 19, 2014Observed: 41.12 ft at 7:30PM Apr 19, 2014Observed: 41.1 ft at 8:00PM Apr 19, 2014Observed: 41.08 ft at 8:15PM Apr 19, 2014Observed: 41.08 ft at 8:30PM Apr 19, 2014Observed: 41.06 ft at 9:00PM Apr 19, 2014Observed: 41.05 ft at 9:30PM Apr 19, 2014Observed: 41.03 ft at 10:00PM Apr 19, 2014Observed: 41.01 ft at 10:30PM Apr 19, 2014Observed: 41 ft at 11:00PM Apr 19, 2014Observed: 40.98 ft at 11:30PM Apr 19, 2014Observed: 40.96 ft at 12:00AM Apr 20, 2014Observed: 40.94 ft at 12:30AM Apr 20, 2014Observed: 40.92 ft at 1:00AM Apr 20, 2014Observed: 40.9 ft at 1:30AM Apr 20, 2014Highest Forecast: 40.8 ft 8:00AM Apr 20, 2014Forecast: 40.6 ft 2:00PM Apr 20, 2014Forecast: 40.4 ft 8:00PM Apr 20, 2014Forecast: 40.2 ft 2:00AM Apr 21, 2014Forecast: 40 ft 8:00AM Apr 21, 2014Forecast: 39.9 ft 2:00PM Apr 21, 2014Forecast: 39.7 ft 8:00PM Apr 21, 2014Forecast: 39.5 ft 2:00AM Apr 22, 2014Forecast: 39.4 ft 8:00AM Apr 22, 2014USGS--Water Resources of the United StatesMRTP1(plotting HGIRG) Graph Created (2:02AM Apr 20, 2014)ObservedForecast (issued 9:31AM Apr 19)Latest observed value: 40.9 ft at 1:30 AM EDT 20-Apr-2014. Flood Stage is 49 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Susquehanna River at Marietta are issued routinely year-round.
Return to Area Map
 
Upstream Gauge - at Harrisburg Upstream Gauge Downstream Gauge Downstream Gauge - at Conowingo Dam
Flood Categories (in feet)
Major Flood Stage:54
Moderate Flood Stage:52
Flood Stage:49
Action Stage:44

Historical Crests
(1) 64.54 ft on 06/23/1972
(2) 60.73 ft on 03/19/1936
(3) 58.30 ft on 06/02/1889
(4) 58.16 ft on 09/09/2011
(5) 56.80 ft on 01/21/1996
Show More Historical Crests

Low Water Records
(1) 30.89 ft on 09/26/1932
(2) 31.23 ft on 09/27/1964
(3) 31.35 ft on 11/15/1964
(4) 31.43 ft on 09/04/1966
(5) 31.75 ft on 10/21/1980
Zoom Level: 16
Gauge Location
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
64 Widespread flooding on both banks affects homes...businesses...and the water and sewage plants.
59 Widespread flooding occurs on both sides of the river. Many homes and businesses are affected by high water. The Wrightsville water supply is affected by flood waters.
56 Widespread flooding occurs on both sides of the river. Many homes and businesses are affected.
54 Numerous homes and businesses in the Columbia and Wrightsville areas are affected by high water. The Wilton Company in Wrightsville experiences problems with high water.
52 A number of residences in the Wrightsville and Columbia areas begin to be affected.
49 Front Street in Wrightsville floods. Low lying areas of Route 624 on the right...or west bank and along Route 441 on the left...or east bank are also affected. Riverside Recreation Area is also inundated.
47 Low lying undeveloped areas on both banks are inundated. A couple of roadways are closed.
44 The right...or west bank overflows. Some roadways are affected.
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream
About This Location Collapse

Latitude: 40.054444° N, Longitude: 76.531111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 49 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 29 200.6 ft 249.6 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:

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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
Ask Questions/Webmaster
Page last modified: 8-Apr-2014 8:38 AM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities