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Hydrograph River at a Glance Download
Bull Run near Manassas Park Stage (ft)Highest Observation: 5.69 ft at 2:00AM Mar 24, 2024Observed: 5.64 ft at 2:15AM Mar 24, 2024Observed: 5.63 ft at 2:20AM Mar 24, 2024Observed: 5.59 ft at 2:30AM Mar 24, 2024Observed: 5.54 ft at 2:45AM Mar 24, 2024Observed: 5.49 ft at 3:00AM Mar 24, 2024Observed: 4.29 ft at 2:45PM Mar 24, 2024Observed: 4.28 ft at 3:00PM Mar 24, 2024Observed: 4.27 ft at 3:15PM Mar 24, 2024Observed: 4.26 ft at 3:30PM Mar 24, 2024Observed: 4.25 ft at 3:45PM Mar 24, 2024Observed: 4.24 ft at 4:00PM Mar 24, 2024Observed: 4.05 ft at 10:15PM Mar 24, 2024Observed: 4.04 ft at 10:25PM Mar 24, 2024Observed: 4.02 ft at 11:00PM Mar 24, 2024Observed: 4 ft at 12:00AM Mar 25, 2024Observed: 3.98 ft at 1:00AM Mar 25, 2024Observed: 3.96 ft at 2:00AM Mar 25, 2024Observed: 3.94 ft at 3:00AM Mar 25, 2024Observed: 3.66 ft at 10:00PM Mar 25, 2024Observed: 3.66 ft at 11:00PM Mar 25, 2024Observed: 3.65 ft at 12:00AM Mar 26, 2024Observed: 3.65 ft at 1:00AM Mar 26, 2024Observed: 3.65 ft at 2:00AM Mar 26, 2024Observed: 3.64 ft at 3:00AM Mar 26, 2024Observed: 3.64 ft at 4:00AM Mar 26, 2024Observed: 3.63 ft at 5:00AM Mar 26, 2024Observed: 3.62 ft at 6:00AM Mar 26, 2024Observed: 3.61 ft at 7:00AM Mar 26, 2024Observed: 3.6 ft at 8:00AM Mar 26, 2024Observed: 3.59 ft at 9:00AM Mar 26, 2024Virginia Tech Occoquan Watershed Monitoring LaboratoryMPBV2(plotting HGIRZ) Graph Created (6:11PM Mar 28, 2024)ObservedLatest observed value: 3.59 ft at 9:00 AM EDT 26-Mar-2024. Flood Stage is 12 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Bull Run near Manassas Park. Only observed stages are available for this point.
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Upstream Gauge - near Catharpin Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 20
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

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

Zoom Level:14
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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
20 Lake Drive is flooded near Manassas in multiple locations. Two homes in the area begin to flood from overland flow. Significant flooding is occurring on trails and in backyards in the area along Bull Run.
15 Backyards are flooded along Lake Drive in Manassas, along with much of the Bull Run trail system.
12 Water covers backyards in the Yorkshire area and some items may need to be relocated to higher ground. Portions of the trail system along Bull Run in the vicinity of Yorkshire are also flooded.
About This Location Collapse

Latitude: 38.803056° N, Longitude: 77.449722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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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NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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Page last modified: 2-Nov-2020 7:30 PM
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