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Hydrograph River at a Glance Download
Little Patuxent River below Lake Kittamaqundi Stage (ft)Observed: 290.08 ft at 7:50AM Jul 11, 2019Observed: 290.09 ft at 8:50AM Jul 11, 2019Observed: 290.09 ft at 9:50AM Jul 11, 2019Observed: 290.09 ft at 10:50AM Jul 11, 2019Observed: 290.09 ft at 11:50AM Jul 11, 2019Observed: 290.1 ft at 12:50PM Jul 11, 2019Observed: 290.11 ft at 1:50PM Jul 11, 2019Observed: 290.15 ft at 2:50PM Jul 11, 2019Observed: 290.19 ft at 3:50PM Jul 11, 2019Observed: 290.21 ft at 4:50PM Jul 11, 2019Observed: 290.25 ft at 5:50PM Jul 11, 2019Observed: 290.32 ft at 6:50PM Jul 11, 2019Observed: 290.43 ft at 7:20PM Jul 11, 2019Observed: 290.54 ft at 7:35PM Jul 11, 2019Observed: 290.65 ft at 7:45PM Jul 11, 2019Observed: 290.75 ft at 7:50PM Jul 11, 2019Observed: 290.87 ft at 8:05PM Jul 11, 2019Observed: 290.97 ft at 8:20PM Jul 11, 2019Observed: 291.03 ft at 8:50PM Jul 11, 2019Observed: 291.02 ft at 9:50PM Jul 11, 2019Observed: 291.14 ft at 10:25PM Jul 11, 2019Highest Observation: 291.21 ft at 10:50PM Jul 11, 2019Highest Observation: 291.21 ft at 11:50PM Jul 11, 2019Observed: 291.1 ft at 12:40AM Jul 12, 2019Observed: 291.09 ft at 12:50AM Jul 12, 2019Observed: 290.99 ft at 1:25AM Jul 12, 2019Observed: 290.92 ft at 1:50AM Jul 12, 2019Observed: 290.82 ft at 2:35AM Jul 12, 2019Observed: 290.81 ft at 2:50AM Jul 12, 2019Observed: 290.7 ft at 3:40AM Jul 12, 2019Observed: 290.7 ft at 3:50AM Jul 12, 2019Observed: 290.61 ft at 4:50AM Jul 12, 2019Observed: 290.55 ft at 5:50AM Jul 12, 2019Observed: 290.48 ft at 6:50AM Jul 12, 2019Observed: 290.45 ft at 7:50AM Jul 12, 2019Observed: 290.41 ft at 8:50AM Jul 12, 2019Observed: 290.38 ft at 9:50AM Jul 12, 2019Observed: 290.36 ft at 10:50AM Jul 12, 2019Observed: 290.34 ft at 11:50AM Jul 12, 2019Observed: 290.32 ft at 12:50PM Jul 12, 2019Observed: 290.29 ft at 1:50PM Jul 12, 2019Observed: 290.28 ft at 2:50PM Jul 12, 2019Observed: 290.26 ft at 3:50PM Jul 12, 2019Observed: 290.24 ft at 4:50PM Jul 12, 2019Observed: 290.22 ft at 5:50PM Jul 12, 2019Observed: 290.2 ft at 6:50PM Jul 12, 2019Observed: 290.19 ft at 7:50PM Jul 12, 2019Observed: 290.18 ft at 8:50PM Jul 12, 2019Observed: 290.16 ft at 9:50PM Jul 12, 2019Observed: 290.15 ft at 10:50PM Jul 12, 2019Observed: 290.14 ft at 11:50PM Jul 12, 2019Observed: 290.14 ft at 12:50AM Jul 13, 2019Observed: 290.13 ft at 1:50AM Jul 13, 2019Observed: 290.13 ft at 2:50AM Jul 13, 2019Observed: 290.13 ft at 3:50AM Jul 13, 2019Observed: 290.12 ft at 4:50AM Jul 13, 2019Observed: 290.12 ft at 5:50AM Jul 13, 2019Observed: 290.13 ft at 6:50AM Jul 13, 2019Observed: 290.13 ft at 7:50AM Jul 13, 2019Observed: 290.12 ft at 8:50AM Jul 13, 2019Observed: 290.12 ft at 9:50AM Jul 13, 2019Observed: 290.13 ft at 10:50AM Jul 13, 2019Observed: 290.12 ft at 11:50AM Jul 13, 2019Observed: 290.11 ft at 12:50PM Jul 13, 2019Observed: 290.1 ft at 1:50PM Jul 13, 2019Observed: 290.09 ft at 2:50PM Jul 13, 2019Observed: 290.09 ft at 3:50PM Jul 13, 2019Observed: 290.07 ft at 4:50PM Jul 13, 2019Observed: 290.07 ft at 5:50PM Jul 13, 2019Observed: 290.06 ft at 6:50PM Jul 13, 2019Observed: 290.06 ft at 7:50PM Jul 13, 2019Observed: 290.05 ft at 8:50PM Jul 13, 2019Observed: 290.05 ft at 9:50PM Jul 13, 2019Observed: 290.04 ft at 10:50PM Jul 13, 2019Observed: 290.04 ft at 11:50PM Jul 13, 2019Observed: 290.04 ft at 12:50AM Jul 14, 2019Observed: 290.04 ft at 1:50AM Jul 14, 2019Observed: 290.04 ft at 2:50AM Jul 14, 2019Observed: 290.04 ft at 3:50AM Jul 14, 2019Observed: 290.04 ft at 4:50AM Jul 14, 2019Observed: 290.04 ft at 5:50AM Jul 14, 2019Observed: 290.04 ft at 6:50AM Jul 14, 2019Observed: 290.05 ft at 7:50AM Jul 14, 2019Observed: 290.05 ft at 8:50AM Jul 14, 2019Observed: 290.05 ft at 9:50AM Jul 14, 2019Observed: 290.05 ft at 10:50AM Jul 14, 2019Observed: 290.05 ft at 11:50AM Jul 14, 2019Observed: 290.05 ft at 12:50PM Jul 14, 2019Observed: 290.04 ft at 1:50PM Jul 14, 2019Observed: 290.03 ft at 2:50PM Jul 14, 2019Observed: 290.02 ft at 3:50PM Jul 14, 2019Observed: 290.01 ft at 4:50PM Jul 14, 2019Observed: 290 ft at 5:50PM Jul 14, 2019Observed: 290 ft at 6:50PM Jul 14, 2019Observed: 289.99 ft at 7:50PM Jul 14, 2019Observed: 289.99 ft at 8:50PM Jul 14, 2019Observed: 289.99 ft at 9:50PM Jul 14, 2019Observed: 289.99 ft at 10:50PM Jul 14, 2019Observed: 289.99 ft at 11:50PM Jul 14, 2019Observed: 289.99 ft at 12:50AM Jul 15, 2019Observed: 289.98 ft at 1:50AM Jul 15, 2019Observed: 289.99 ft at 2:50AM Jul 15, 2019Observed: 289.99 ft at 3:50AM Jul 15, 2019Observed: 289.99 ft at 4:50AM Jul 15, 2019Observed: 289.99 ft at 5:50AM Jul 15, 2019Observed: 289.99 ft at 6:50AM Jul 15, 2019Observed: 290 ft at 7:50AM Jul 15, 2019Observed: 290 ft at 8:50AM Jul 15, 2019Observed: 290 ft at 9:50AM Jul 15, 2019Observed: 290 ft at 10:50AM Jul 15, 2019Observed: 290 ft at 11:50AM Jul 15, 2019Observed: 290 ft at 12:50PM Jul 15, 2019Observed: 289.99 ft at 1:50PM Jul 15, 2019Observed: 289.99 ft at 2:50PM Jul 15, 2019Observed: 289.98 ft at 3:50PM Jul 15, 2019Observed: 289.97 ft at 4:50PM Jul 15, 2019Observed: 289.97 ft at 5:50PM Jul 15, 2019Observed: 289.97 ft at 6:50PM Jul 15, 2019Observed: 289.97 ft at 7:50PM Jul 15, 2019Observed: 289.97 ft at 8:50PM Jul 15, 2019Observed: 289.97 ft at 9:50PM Jul 15, 2019Observed: 289.97 ft at 10:50PM Jul 15, 2019Observed: 289.97 ft at 11:50PM Jul 15, 2019Observed: 289.96 ft at 12:50AM Jul 16, 2019Observed: 289.97 ft at 1:50AM Jul 16, 2019Observed: 289.96 ft at 2:50AM Jul 16, 2019Observed: 289.97 ft at 3:50AM Jul 16, 2019Observed: 289.97 ft at 4:50AM Jul 16, 2019CSEM2(plotting HGIRR) Graph Created (6:54AM Jul 16, 2019)ObservedLatest observed value: 289.97 ft at 4:50 AM EDT 16-Jul-2019. Flood Stage is 298.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Little Patuxent River below Lake Kittamaqundi. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 298.5
Action Stage: 295.5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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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
302 US Route 29 begins to flood near Columbia Town Center.
298.5 The river is overtopping the South Entrance Road bridge and flooding of the roadway is occurring.
295.5 Water reaches the underside of the South Entrance Road bridge. No flooding is yet occurring.
About This Location Collapse

Latitude: 39.207778° N, Longitude: 76.857222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 298.5 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 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  
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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.
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(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 1-Mar-2019 12:35 AM
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