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Hydrograph River at a Glance Download
Big Sandy Creek at Rockville Stage (ft)Flow (kcfs)Observed: 4.78 ft at 11:45AM Mar 26, 2024Observed: 4.78 ft at 12:00PM Mar 26, 2024Observed: 4.78 ft at 12:15PM Mar 26, 2024Observed: 4.78 ft at 12:30PM Mar 26, 2024Observed: 4.77 ft at 12:45PM Mar 26, 2024Observed: 4.77 ft at 1:00PM Mar 26, 2024Observed: 4.77 ft at 1:15PM Mar 26, 2024Observed: 4.77 ft at 1:30PM Mar 26, 2024Observed: 4.78 ft at 1:45PM Mar 26, 2024Observed: 4.77 ft at 2:00PM Mar 26, 2024Observed: 4.77 ft at 2:15PM Mar 26, 2024Observed: 4.78 ft at 2:30PM Mar 26, 2024Observed: 4.78 ft at 2:45PM Mar 26, 2024Observed: 4.78 ft at 3:00PM Mar 26, 2024Observed: 4.78 ft at 3:15PM Mar 26, 2024Observed: 4.78 ft at 3:30PM Mar 26, 2024Observed: 4.78 ft at 3:45PM Mar 26, 2024Observed: 4.79 ft at 4:00PM Mar 26, 2024Observed: 4.79 ft at 4:15PM Mar 26, 2024Observed: 4.79 ft at 4:30PM Mar 26, 2024Observed: 4.8 ft at 4:45PM Mar 26, 2024Observed: 4.8 ft at 5:00PM Mar 26, 2024Observed: 4.81 ft at 5:15PM Mar 26, 2024Observed: 4.82 ft at 5:30PM Mar 26, 2024Observed: 4.83 ft at 5:45PM Mar 26, 2024Observed: 4.83 ft at 6:00PM Mar 26, 2024Observed: 4.83 ft at 6:15PM Mar 26, 2024Observed: 4.83 ft at 6:30PM Mar 26, 2024Observed: 4.84 ft at 6:45PM Mar 26, 2024Observed: 4.85 ft at 7:00PM Mar 26, 2024Observed: 4.86 ft at 7:15PM Mar 26, 2024Observed: 4.87 ft at 7:30PM Mar 26, 2024Observed: 4.87 ft at 7:45PM Mar 26, 2024Observed: 4.88 ft at 8:00PM Mar 26, 2024Observed: 4.88 ft at 8:15PM Mar 26, 2024Observed: 4.9 ft at 8:30PM Mar 26, 2024Observed: 4.91 ft at 8:45PM Mar 26, 2024Observed: 4.91 ft at 9:00PM Mar 26, 2024Observed: 4.92 ft at 9:15PM Mar 26, 2024Observed: 4.93 ft at 9:30PM Mar 26, 2024Observed: 4.94 ft at 9:45PM Mar 26, 2024Observed: 4.95 ft at 10:00PM Mar 26, 2024Observed: 4.95 ft at 10:15PM Mar 26, 2024Observed: 4.97 ft at 10:30PM Mar 26, 2024Observed: 4.98 ft at 10:45PM Mar 26, 2024Observed: 4.99 ft at 11:00PM Mar 26, 2024Observed: 4.99 ft at 11:15PM Mar 26, 2024Observed: 5 ft at 11:30PM Mar 26, 2024Observed: 5 ft at 11:45PM Mar 26, 2024Observed: 5 ft at 12:00AM Mar 27, 2024Observed: 5 ft at 12:15AM Mar 27, 2024Observed: 5.01 ft at 12:30AM Mar 27, 2024Observed: 5.01 ft at 12:45AM Mar 27, 2024Observed: 5.02 ft at 1:00AM Mar 27, 2024Observed: 5.02 ft at 1:15AM Mar 27, 2024Observed: 5.02 ft at 1:30AM Mar 27, 2024Observed: 5.02 ft at 1:45AM Mar 27, 2024Observed: 5.03 ft at 2:00AM Mar 27, 2024Observed: 5.03 ft at 2:15AM Mar 27, 2024Observed: 5.03 ft at 2:30AM Mar 27, 2024Observed: 5.04 ft at 2:45AM Mar 27, 2024Observed: 5.03 ft at 3:00AM Mar 27, 2024Observed: 5.03 ft at 3:15AM Mar 27, 2024Observed: 5.03 ft at 3:30AM Mar 27, 2024Observed: 5.04 ft at 3:45AM Mar 27, 2024Observed: 5.04 ft at 4:00AM Mar 27, 2024Observed: 5.04 ft at 4:15AM Mar 27, 2024Observed: 5.03 ft at 4:30AM Mar 27, 2024Observed: 5.04 ft at 4:45AM Mar 27, 2024Highest Observation: 5.05 ft at 5:00AM Mar 27, 2024Highest Observation: 5.05 ft at 5:15AM Mar 27, 2024Highest Observation: 5.05 ft at 5:30AM Mar 27, 2024Observed: 5.04 ft at 5:45AM Mar 27, 2024Observed: 5.04 ft at 6:00AM Mar 27, 2024Highest Observation: 5.05 ft at 6:15AM Mar 27, 2024Highest Observation: 5.05 ft at 6:30AM Mar 27, 2024Highest Observation: 5.05 ft at 6:45AM Mar 27, 2024Highest Observation: 5.05 ft at 7:00AM Mar 27, 2024Highest Observation: 5.05 ft at 7:15AM Mar 27, 2024Observed: 5.04 ft at 7:30AM Mar 27, 2024Highest Observation: 5.05 ft at 7:45AM Mar 27, 2024Highest Observation: 5.05 ft at 8:00AM Mar 27, 2024Highest Observation: 5.05 ft at 8:15AM Mar 27, 2024Highest Observation: 5.05 ft at 8:30AM Mar 27, 2024Observed: 5.04 ft at 8:45AM Mar 27, 2024Highest Observation: 5.05 ft at 9:00AM Mar 27, 2024Observed: 5.04 ft at 9:15AM Mar 27, 2024Observed: 5.04 ft at 9:30AM Mar 27, 2024Observed: 5.04 ft at 9:45AM Mar 27, 2024Observed: 5.04 ft at 10:00AM Mar 27, 2024Observed: 5.04 ft at 10:15AM Mar 27, 2024Observed: 5.04 ft at 10:30AM Mar 27, 2024Observed: 5.04 ft at 10:45AM Mar 27, 2024Observed: 5.04 ft at 11:00AM Mar 27, 2024Observed: 5.03 ft at 11:15AM Mar 27, 2024Observed: 5.04 ft at 11:30AM Mar 27, 2024Observed: 5.04 ft at 11:45AM Mar 27, 2024Observed: 5.04 ft at 12:00PM Mar 27, 2024Observed: 5.04 ft at 12:15PM Mar 27, 2024Observed: 5.03 ft at 12:30PM Mar 27, 2024Observed: 5.03 ft at 12:45PM Mar 27, 2024Observed: 5.02 ft at 1:00PM Mar 27, 2024Observed: 5.03 ft at 1:15PM Mar 27, 2024Observed: 5.04 ft at 1:30PM Mar 27, 2024Observed: 5.02 ft at 1:45PM Mar 27, 2024Observed: 5.03 ft at 2:00PM Mar 27, 2024Observed: 5.02 ft at 2:15PM Mar 27, 2024Observed: 5.01 ft at 2:30PM Mar 27, 2024Observed: 5.02 ft at 2:45PM Mar 27, 2024Observed: 5.01 ft at 3:00PM Mar 27, 2024Observed: 5.01 ft at 3:15PM Mar 27, 2024Observed: 5.02 ft at 3:30PM Mar 27, 2024Observed: 5.02 ft at 3:45PM Mar 27, 2024Observed: 5.01 ft at 4:00PM Mar 27, 2024Observed: 5.01 ft at 4:15PM Mar 27, 2024Observed: 5 ft at 4:30PM Mar 27, 2024Observed: 5 ft at 4:45PM Mar 27, 2024Observed: 4.99 ft at 5:00PM Mar 27, 2024Observed: 5 ft at 5:15PM Mar 27, 2024Observed: 4.99 ft at 5:30PM Mar 27, 2024Observed: 4.99 ft at 5:45PM Mar 27, 2024Observed: 4.99 ft at 6:00PM Mar 27, 2024Observed: 4.99 ft at 6:15PM Mar 27, 2024Observed: 5 ft at 6:30PM Mar 27, 2024Observed: 4.99 ft at 6:45PM Mar 27, 2024Observed: 4.98 ft at 7:00PM Mar 27, 2024Observed: 4.98 ft at 7:15PM Mar 27, 2024Observed: 4.98 ft at 7:30PM Mar 27, 2024Observed: 4.97 ft at 7:45PM Mar 27, 2024Observed: 4.98 ft at 8:00PM Mar 27, 2024Observed: 4.97 ft at 8:15PM Mar 27, 2024Observed: 4.97 ft at 8:30PM Mar 27, 2024Observed: 4.97 ft at 8:45PM Mar 27, 2024Observed: 4.97 ft at 9:00PM Mar 27, 2024Observed: 4.97 ft at 9:15PM Mar 27, 2024Observed: 4.96 ft at 9:30PM Mar 27, 2024Observed: 4.97 ft at 9:45PM Mar 27, 2024Observed: 4.96 ft at 10:00PM Mar 27, 2024Observed: 4.96 ft at 10:15PM Mar 27, 2024Observed: 4.96 ft at 10:30PM Mar 27, 2024Observed: 4.95 ft at 10:45PM Mar 27, 2024Observed: 4.95 ft at 11:00PM Mar 27, 2024Observed: 4.94 ft at 11:15PM Mar 27, 2024Observed: 4.95 ft at 11:30PM Mar 27, 2024Observed: 4.94 ft at 11:45PM Mar 27, 2024Observed: 4.95 ft at 12:00AM Mar 28, 2024Observed: 4.94 ft at 12:15AM Mar 28, 2024Observed: 4.94 ft at 12:30AM Mar 28, 2024Observed: 4.94 ft at 12:45AM Mar 28, 2024Observed: 4.94 ft at 1:00AM Mar 28, 2024Observed: 4.92 ft at 1:15AM Mar 28, 2024Observed: 4.93 ft at 1:30AM Mar 28, 2024Observed: 4.92 ft at 1:45AM Mar 28, 2024Observed: 4.93 ft at 2:00AM Mar 28, 2024Observed: 4.93 ft at 2:15AM Mar 28, 2024Observed: 4.92 ft at 2:30AM Mar 28, 2024Observed: 4.92 ft at 2:45AM Mar 28, 2024Observed: 4.93 ft at 3:00AM Mar 28, 2024Observed: 4.92 ft at 3:15AM Mar 28, 2024Observed: 4.92 ft at 3:30AM Mar 28, 2024Observed: 4.91 ft at 3:45AM Mar 28, 2024Observed: 4.91 ft at 4:00AM Mar 28, 2024Observed: 4.91 ft at 4:15AM Mar 28, 2024Observed: 4.91 ft at 4:30AM Mar 28, 2024Observed: 4.9 ft at 4:45AM Mar 28, 2024Observed: 4.91 ft at 5:00AM Mar 28, 2024Observed: 4.91 ft at 5:15AM Mar 28, 2024Observed: 4.9 ft at 5:30AM Mar 28, 2024Observed: 4.9 ft at 5:45AM Mar 28, 2024Observed: 4.9 ft at 6:00AM Mar 28, 2024Observed: 4.9 ft at 6:15AM Mar 28, 2024Observed: 4.9 ft at 6:30AM Mar 28, 2024Observed: 4.9 ft at 6:45AM Mar 28, 2024Observed: 4.89 ft at 7:00AM Mar 28, 2024Observed: 4.9 ft at 7:15AM Mar 28, 2024Observed: 4.89 ft at 7:30AM Mar 28, 2024Observed: 4.89 ft at 7:45AM Mar 28, 2024Observed: 4.89 ft at 8:00AM Mar 28, 2024Observed: 4.88 ft at 8:15AM Mar 28, 2024Observed: 4.88 ft at 8:30AM Mar 28, 2024Observed: 4.89 ft at 8:45AM Mar 28, 2024Observed: 4.89 ft at 9:00AM Mar 28, 2024Observed: 4.89 ft at 9:15AM Mar 28, 2024Observed: 4.88 ft at 9:30AM Mar 28, 2024Observed: 4.89 ft at 9:45AM Mar 28, 2024Observed: 4.88 ft at 10:00AM Mar 28, 2024Observed: 4.88 ft at 10:15AM Mar 28, 2024Observed: 4.88 ft at 10:30AM Mar 28, 2024Observed: 4.87 ft at 10:45AM Mar 28, 2024Observed: 4.88 ft at 11:00AM Mar 28, 2024Observed: 4.88 ft at 11:15AM Mar 28, 2024Observed: 4.87 ft at 11:30AM Mar 28, 2024Observed: 4.87 ft at 11:45AM Mar 28, 2024Observed: 4.87 ft at 12:00PM Mar 28, 2024Observed: 4.88 ft at 12:15PM Mar 28, 2024Observed: 4.87 ft at 12:30PM Mar 28, 2024Observed: 4.87 ft at 12:45PM Mar 28, 2024Observed: 4.87 ft at 1:00PM Mar 28, 2024Observed: 4.87 ft at 1:15PM Mar 28, 2024Observed: 4.87 ft at 1:30PM Mar 28, 2024Observed: 4.86 ft at 1:45PM Mar 28, 2024Observed: 4.86 ft at 2:00PM Mar 28, 2024Observed: 4.86 ft at 2:15PM Mar 28, 2024Observed: 4.87 ft at 2:30PM Mar 28, 2024Observed: 4.86 ft at 2:45PM Mar 28, 2024Observed: 4.85 ft at 3:00PM Mar 28, 2024Observed: 4.86 ft at 3:15PM Mar 28, 2024Observed: 4.85 ft at 3:30PM Mar 28, 2024Observed: 4.85 ft at 3:45PM Mar 28, 2024Observed: 4.86 ft at 4:00PM Mar 28, 2024Observed: 4.85 ft at 4:15PM Mar 28, 2024Observed: 4.85 ft at 4:30PM Mar 28, 2024Observed: 4.85 ft at 4:45PM Mar 28, 2024Observed: 4.85 ft at 5:00PM Mar 28, 2024Observed: 4.85 ft at 5:15PM Mar 28, 2024Observed: 4.85 ft at 5:30PM Mar 28, 2024Observed: 4.84 ft at 5:45PM Mar 28, 2024Observed: 4.84 ft at 6:00PM Mar 28, 2024Observed: 4.85 ft at 6:15PM Mar 28, 2024Observed: 4.84 ft at 6:30PM Mar 28, 2024Observed: 4.84 ft at 6:45PM Mar 28, 2024Observed: 4.84 ft at 7:00PM Mar 28, 2024Observed: 4.84 ft at 7:15PM Mar 28, 2024Observed: 4.84 ft at 7:30PM Mar 28, 2024Observed: 4.84 ft at 7:45PM Mar 28, 2024Observed: 4.84 ft at 8:00PM Mar 28, 2024Observed: 4.84 ft at 8:15PM Mar 28, 2024Observed: 4.84 ft at 8:30PM Mar 28, 2024Observed: 4.84 ft at 8:45PM Mar 28, 2024Observed: 4.84 ft at 9:00PM Mar 28, 2024Observed: 4.84 ft at 9:15PM Mar 28, 2024Observed: 4.84 ft at 9:30PM Mar 28, 2024Observed: 4.83 ft at 9:45PM Mar 28, 2024Observed: 4.82 ft at 10:00PM Mar 28, 2024Observed: 4.83 ft at 10:15PM Mar 28, 2024Observed: 4.83 ft at 10:30PM Mar 28, 2024Observed: 4.83 ft at 10:45PM Mar 28, 2024Observed: 4.83 ft at 11:00PM Mar 28, 2024Observed: 4.82 ft at 11:15PM Mar 28, 2024Observed: 4.82 ft at 11:30PM Mar 28, 2024Observed: 4.82 ft at 11:45PM Mar 28, 2024Observed: 4.82 ft at 12:00AM Mar 29, 2024Observed: 4.82 ft at 12:15AM Mar 29, 2024Observed: 4.82 ft at 12:30AM Mar 29, 2024Observed: 4.82 ft at 12:45AM Mar 29, 2024Observed: 4.82 ft at 1:00AM Mar 29, 2024Observed: 4.82 ft at 1:15AM Mar 29, 2024Observed: 4.82 ft at 1:30AM Mar 29, 2024Observed: 4.82 ft at 1:45AM Mar 29, 2024Observed: 4.82 ft at 2:00AM Mar 29, 2024Observed: 4.81 ft at 2:15AM Mar 29, 2024Observed: 4.82 ft at 2:30AM Mar 29, 2024Observed: 4.82 ft at 2:45AM Mar 29, 2024Observed: 4.82 ft at 3:00AM Mar 29, 2024Observed: 4.82 ft at 3:15AM Mar 29, 2024Observed: 4.82 ft at 3:30AM Mar 29, 2024Observed: 4.82 ft at 3:45AM Mar 29, 2024Observed: 4.82 ft at 4:00AM Mar 29, 2024Observed: 4.82 ft at 4:15AM Mar 29, 2024Observed: 4.81 ft at 4:30AM Mar 29, 2024Observed: 4.82 ft at 4:45AM Mar 29, 2024Observed: 4.81 ft at 5:00AM Mar 29, 2024Observed: 4.82 ft at 5:15AM Mar 29, 2024Observed: 4.81 ft at 5:30AM Mar 29, 2024Observed: 4.81 ft at 5:45AM Mar 29, 2024Observed: 4.81 ft at 6:00AM Mar 29, 2024Observed: 4.81 ft at 6:15AM Mar 29, 2024Observed: 4.81 ft at 6:45AM Mar 29, 2024Observed: 4.82 ft at 7:00AM Mar 29, 2024Observed: 4.82 ft at 7:15AM Mar 29, 2024Observed: 4.81 ft at 7:30AM Mar 29, 2024Observed: 4.81 ft at 7:45AM Mar 29, 2024Observed: 4.82 ft at 8:00AM Mar 29, 2024Observed: 4.81 ft at 8:15AM Mar 29, 2024Observed: 4.81 ft at 8:30AM Mar 29, 2024Observed: 4.81 ft at 8:45AM Mar 29, 2024Observed: 4.81 ft at 9:00AM Mar 29, 2024Observed: 4.81 ft at 9:15AM Mar 29, 2024Observed: 4.81 ft at 9:30AM Mar 29, 2024Observed: 4.81 ft at 9:45AM Mar 29, 2024Observed: 4.81 ft at 10:00AM Mar 29, 2024Observed: 4.82 ft at 10:15AM Mar 29, 2024Observed: 4.81 ft at 10:30AM Mar 29, 2024Observed: 4.81 ft at 10:45AM Mar 29, 2024Observed: 4.81 ft at 11:00AM Mar 29, 2024USGS--Water Resources of the United StatesROCW2(plotting HGIRG) Graph Created (11:33AM Mar 29, 2024)ObservedLatest observed value: 4.81 ft at 11:00 AM EDT 29-Mar-2024. Flood Stage is 17.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Stage may be affected by ice.

NOTE: Forecasts are not available for the Big Sandy Creek at Rockville. Only observed stages are available for this point.

Return to Area Map
Downstream Gauge Downstream Gauge - at Lake Lynn Dam Pool
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 20
Flood Stage: 17.5
Action Stage: 14.4
Low Stage (in feet): 0

Historic Crests
(1) 18.00 ft on 07/24/1912
(2) 12.62 ft on 03/04/2015
(3) 12.56 ft on 03/01/2021
(4) 12.13 ft on 05/04/2009
(5) 11.99 ft on 07/29/2017
(6) 10.41 ft on 05/16/2014
(7) 10.34 ft on 02/12/2019
(8) 10.20 ft on 02/08/2019
(9) 10.03 ft on 09/28/2018
(10) 8.33 ft on 06/05/2008

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.56 ft on 03/01/2021
(2) 10.34 ft on 02/12/2019
(3) 10.20 ft on 02/08/2019
(4) 10.03 ft on 09/28/2018
(5) 11.99 ft on 07/29/2017
(6) 12.62 ft on 03/04/2015
(7) 10.41 ft on 05/16/2014
(8) 12.13 ft on 05/04/2009
(9) 8.33 ft on 06/05/2008
(10) 18.00 ft on 07/24/1912

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

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
25 water reaches bridge deck on right downstream bank of bridge
20 water reaches bridge deck on left downstream bank of bridge
17.5 water Overflows Road on left downstram bank on bridge approach
13 water reaches natural bankfull on left downstream bank near gage
11.99 Water rises to the level reached on July 29, 2017.
Photos
(1) View of Rockville gage from across Big Sandy Creek.
(2) Downstream view of Big Sandy Creek from bridge.
(3) Upstream view of Big Sandy Creek from bridge.
About This Location Collapse

Latitude: 39.621667° N, Longitude: 79.705000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 17.5 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 1322.4 1339.9 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1310.00 1327.5 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
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

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
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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Page last modified: 2-Nov-2020 7:30 PM
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