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
Patapsco River near Elkridge at Patapsco Valley State Park Stage (ft)Flow (cfs)Observed: 5.61 ft at 12:45AM Oct 14, 2019Observed: 5.6 ft at 1:00AM Oct 14, 2019Observed: 5.6 ft at 1:15AM Oct 14, 2019Observed: 5.61 ft at 1:30AM Oct 14, 2019Observed: 5.6 ft at 1:45AM Oct 14, 2019Observed: 5.61 ft at 2:00AM Oct 14, 2019Observed: 5.6 ft at 2:15AM Oct 14, 2019Observed: 5.61 ft at 2:30AM Oct 14, 2019Observed: 5.6 ft at 2:45AM Oct 14, 2019Observed: 5.6 ft at 3:00AM Oct 14, 2019Observed: 5.6 ft at 3:15AM Oct 14, 2019Observed: 5.61 ft at 3:30AM Oct 14, 2019Observed: 5.61 ft at 3:45AM Oct 14, 2019Observed: 5.61 ft at 4:00AM Oct 14, 2019Observed: 5.6 ft at 4:15AM Oct 14, 2019Observed: 5.61 ft at 4:30AM Oct 14, 2019Observed: 5.61 ft at 4:45AM Oct 14, 2019Observed: 5.6 ft at 5:00AM Oct 14, 2019Observed: 5.6 ft at 5:15AM Oct 14, 2019Observed: 5.61 ft at 5:30AM Oct 14, 2019Observed: 5.6 ft at 5:45AM Oct 14, 2019Observed: 5.6 ft at 6:00AM Oct 14, 2019Observed: 5.61 ft at 6:15AM Oct 14, 2019Observed: 5.61 ft at 6:30AM Oct 14, 2019Observed: 5.61 ft at 6:45AM Oct 14, 2019Observed: 5.61 ft at 7:00AM Oct 14, 2019Observed: 5.6 ft at 7:15AM Oct 14, 2019Observed: 5.61 ft at 7:30AM Oct 14, 2019Observed: 5.6 ft at 7:45AM Oct 14, 2019Observed: 5.61 ft at 8:00AM Oct 14, 2019Observed: 5.6 ft at 8:15AM Oct 14, 2019Observed: 5.61 ft at 8:30AM Oct 14, 2019Observed: 5.61 ft at 8:45AM Oct 14, 2019Observed: 5.6 ft at 9:00AM Oct 14, 2019Observed: 5.61 ft at 9:15AM Oct 14, 2019Observed: 5.61 ft at 9:30AM Oct 14, 2019Observed: 5.6 ft at 9:45AM Oct 14, 2019Observed: 5.61 ft at 10:00AM Oct 14, 2019Observed: 5.61 ft at 10:15AM Oct 14, 2019Observed: 5.6 ft at 10:30AM Oct 14, 2019Observed: 5.6 ft at 10:45AM Oct 14, 2019Observed: 5.61 ft at 11:00AM Oct 14, 2019Observed: 5.61 ft at 11:15AM Oct 14, 2019Observed: 5.61 ft at 11:30AM Oct 14, 2019Observed: 5.61 ft at 11:45AM Oct 14, 2019Observed: 5.61 ft at 12:00PM Oct 14, 2019Observed: 5.61 ft at 12:15PM Oct 14, 2019Observed: 5.61 ft at 12:30PM Oct 14, 2019Observed: 5.61 ft at 12:45PM Oct 14, 2019Observed: 5.61 ft at 1:00PM Oct 14, 2019Observed: 5.61 ft at 1:15PM Oct 14, 2019Observed: 5.6 ft at 1:30PM Oct 14, 2019Observed: 5.61 ft at 1:45PM Oct 14, 2019Observed: 5.61 ft at 2:00PM Oct 14, 2019Observed: 5.61 ft at 2:15PM Oct 14, 2019Observed: 5.6 ft at 2:30PM Oct 14, 2019Observed: 5.61 ft at 2:45PM Oct 14, 2019Observed: 5.61 ft at 3:00PM Oct 14, 2019Observed: 5.6 ft at 3:15PM Oct 14, 2019Observed: 5.61 ft at 3:30PM Oct 14, 2019Observed: 5.61 ft at 3:45PM Oct 14, 2019Observed: 5.6 ft at 4:00PM Oct 14, 2019Observed: 5.61 ft at 4:15PM Oct 14, 2019Observed: 5.61 ft at 4:30PM Oct 14, 2019Observed: 5.6 ft at 4:45PM Oct 14, 2019Observed: 5.61 ft at 5:00PM Oct 14, 2019Observed: 5.6 ft at 5:15PM Oct 14, 2019Observed: 5.61 ft at 5:30PM Oct 14, 2019Observed: 5.61 ft at 5:45PM Oct 14, 2019Observed: 5.61 ft at 6:00PM Oct 14, 2019Observed: 5.61 ft at 6:15PM Oct 14, 2019Observed: 5.61 ft at 6:30PM Oct 14, 2019Observed: 5.61 ft at 6:45PM Oct 14, 2019Observed: 5.61 ft at 7:00PM Oct 14, 2019Observed: 5.6 ft at 7:15PM Oct 14, 2019Observed: 5.6 ft at 7:30PM Oct 14, 2019Observed: 5.6 ft at 7:45PM Oct 14, 2019Observed: 5.6 ft at 8:00PM Oct 14, 2019Observed: 5.61 ft at 8:15PM Oct 14, 2019Observed: 5.61 ft at 8:30PM Oct 14, 2019Observed: 5.62 ft at 8:45PM Oct 14, 2019Observed: 5.6 ft at 9:00PM Oct 14, 2019Observed: 5.61 ft at 9:15PM Oct 14, 2019Observed: 5.6 ft at 9:30PM Oct 14, 2019Observed: 5.61 ft at 9:45PM Oct 14, 2019Observed: 5.6 ft at 10:00PM Oct 14, 2019Observed: 5.6 ft at 10:15PM Oct 14, 2019Observed: 5.61 ft at 10:30PM Oct 14, 2019Observed: 5.61 ft at 10:45PM Oct 14, 2019Observed: 5.61 ft at 11:00PM Oct 14, 2019Observed: 5.61 ft at 11:15PM Oct 14, 2019Observed: 5.61 ft at 11:30PM Oct 14, 2019Observed: 5.6 ft at 11:45PM Oct 14, 2019Observed: 5.61 ft at 12:00AM Oct 15, 2019Observed: 5.61 ft at 12:15AM Oct 15, 2019Observed: 5.6 ft at 12:30AM Oct 15, 2019Observed: 5.6 ft at 12:45AM Oct 15, 2019Observed: 5.6 ft at 1:00AM Oct 15, 2019Observed: 5.6 ft at 1:15AM Oct 15, 2019Observed: 5.6 ft at 1:30AM Oct 15, 2019Observed: 5.61 ft at 1:45AM Oct 15, 2019Observed: 5.61 ft at 2:00AM Oct 15, 2019Observed: 5.6 ft at 2:15AM Oct 15, 2019Observed: 5.6 ft at 2:30AM Oct 15, 2019Observed: 5.6 ft at 2:45AM Oct 15, 2019Observed: 5.61 ft at 3:00AM Oct 15, 2019Observed: 5.61 ft at 3:15AM Oct 15, 2019Observed: 5.6 ft at 3:30AM Oct 15, 2019Observed: 5.6 ft at 3:45AM Oct 15, 2019Observed: 5.6 ft at 4:00AM Oct 15, 2019Observed: 5.61 ft at 4:15AM Oct 15, 2019Observed: 5.6 ft at 4:30AM Oct 15, 2019Observed: 5.61 ft at 4:45AM Oct 15, 2019Observed: 5.6 ft at 5:00AM Oct 15, 2019Observed: 5.59 ft at 5:15AM Oct 15, 2019Observed: 5.6 ft at 5:30AM Oct 15, 2019Observed: 5.6 ft at 5:45AM Oct 15, 2019Observed: 5.6 ft at 6:00AM Oct 15, 2019Observed: 5.6 ft at 6:15AM Oct 15, 2019Observed: 5.6 ft at 6:30AM Oct 15, 2019Observed: 5.6 ft at 6:45AM Oct 15, 2019Observed: 5.6 ft at 7:00AM Oct 15, 2019Observed: 5.6 ft at 7:15AM Oct 15, 2019Observed: 5.6 ft at 7:30AM Oct 15, 2019Observed: 5.6 ft at 7:45AM Oct 15, 2019Observed: 5.6 ft at 8:00AM Oct 15, 2019Observed: 5.6 ft at 8:15AM Oct 15, 2019Observed: 5.6 ft at 8:30AM Oct 15, 2019Observed: 5.6 ft at 8:45AM Oct 15, 2019Observed: 5.6 ft at 9:00AM Oct 15, 2019Observed: 5.59 ft at 9:15AM Oct 15, 2019Observed: 5.59 ft at 9:30AM Oct 15, 2019Observed: 5.6 ft at 9:45AM Oct 15, 2019Observed: 5.6 ft at 10:00AM Oct 15, 2019Observed: 5.6 ft at 10:15AM Oct 15, 2019Observed: 5.6 ft at 10:30AM Oct 15, 2019Observed: 5.6 ft at 10:45AM Oct 15, 2019Observed: 5.61 ft at 11:00AM Oct 15, 2019Observed: 5.59 ft at 11:15AM Oct 15, 2019Observed: 5.6 ft at 11:30AM Oct 15, 2019Observed: 5.6 ft at 11:45AM Oct 15, 2019Observed: 5.6 ft at 12:00PM Oct 15, 2019Observed: 5.6 ft at 12:15PM Oct 15, 2019Observed: 5.6 ft at 12:30PM Oct 15, 2019Observed: 5.6 ft at 12:45PM Oct 15, 2019Observed: 5.6 ft at 1:00PM Oct 15, 2019Observed: 5.6 ft at 1:15PM Oct 15, 2019Observed: 5.59 ft at 1:30PM Oct 15, 2019Observed: 5.6 ft at 1:45PM Oct 15, 2019Observed: 5.61 ft at 2:00PM Oct 15, 2019Observed: 5.6 ft at 2:15PM Oct 15, 2019Observed: 5.6 ft at 2:30PM Oct 15, 2019Observed: 5.6 ft at 2:45PM Oct 15, 2019Observed: 5.59 ft at 3:00PM Oct 15, 2019Observed: 5.59 ft at 3:15AM Oct 16, 2019Observed: 5.6 ft at 3:30AM Oct 16, 2019Observed: 5.59 ft at 3:45AM Oct 16, 2019Observed: 5.59 ft at 4:00AM Oct 16, 2019Observed: 5.59 ft at 4:15AM Oct 16, 2019Observed: 5.6 ft at 4:30AM Oct 16, 2019Observed: 5.6 ft at 4:45AM Oct 16, 2019Observed: 5.59 ft at 5:00AM Oct 16, 2019Observed: 5.6 ft at 5:15AM Oct 16, 2019Observed: 5.6 ft at 5:30AM Oct 16, 2019Observed: 5.59 ft at 5:45AM Oct 16, 2019Observed: 5.59 ft at 6:00AM Oct 16, 2019Observed: 5.59 ft at 6:15AM Oct 16, 2019Observed: 5.6 ft at 6:30AM Oct 16, 2019Observed: 5.59 ft at 6:45AM Oct 16, 2019Observed: 5.59 ft at 7:00AM Oct 16, 2019Observed: 5.59 ft at 7:15AM Oct 16, 2019Observed: 5.59 ft at 7:30AM Oct 16, 2019Observed: 5.59 ft at 7:45AM Oct 16, 2019Observed: 5.59 ft at 8:00AM Oct 16, 2019Observed: 5.59 ft at 8:15AM Oct 16, 2019Observed: 5.59 ft at 8:30AM Oct 16, 2019Observed: 5.59 ft at 8:45AM Oct 16, 2019Observed: 5.59 ft at 9:00AM Oct 16, 2019Observed: 5.59 ft at 9:15AM Oct 16, 2019Observed: 5.59 ft at 9:30AM Oct 16, 2019Observed: 5.59 ft at 9:45AM Oct 16, 2019Observed: 5.59 ft at 10:00AM Oct 16, 2019Observed: 5.59 ft at 10:15AM Oct 16, 2019Observed: 5.59 ft at 10:30AM Oct 16, 2019Observed: 5.59 ft at 10:45AM Oct 16, 2019Observed: 5.59 ft at 11:00AM Oct 16, 2019Observed: 5.6 ft at 11:15AM Oct 16, 2019Observed: 5.6 ft at 11:30AM Oct 16, 2019Observed: 5.6 ft at 11:45AM Oct 16, 2019Observed: 5.6 ft at 12:00PM Oct 16, 2019Observed: 5.6 ft at 12:15PM Oct 16, 2019Observed: 5.62 ft at 12:30PM Oct 16, 2019Observed: 5.62 ft at 12:45PM Oct 16, 2019Observed: 5.63 ft at 1:00PM Oct 16, 2019Observed: 5.64 ft at 1:15PM Oct 16, 2019Observed: 5.65 ft at 1:30PM Oct 16, 2019Observed: 5.66 ft at 1:45PM Oct 16, 2019Observed: 5.68 ft at 2:00PM Oct 16, 2019Observed: 5.69 ft at 2:15PM Oct 16, 2019Observed: 5.74 ft at 2:30PM Oct 16, 2019Observed: 5.83 ft at 2:45PM Oct 16, 2019Observed: 5.91 ft at 3:00PM Oct 16, 2019Observed: 6.02 ft at 3:15PM Oct 16, 2019Observed: 6.15 ft at 3:30PM Oct 16, 2019Observed: 6.35 ft at 3:45PM Oct 16, 2019Observed: 6.6 ft at 4:00PM Oct 16, 2019Observed: 6.78 ft at 4:15PM Oct 16, 2019Highest Observation: 6.87 ft at 4:30PM Oct 16, 2019Observed: 6.39 ft at 4:45AM Oct 17, 2019Observed: 6.38 ft at 5:00AM Oct 17, 2019Observed: 6.37 ft at 5:15AM Oct 17, 2019Observed: 6.35 ft at 5:30AM Oct 17, 2019Observed: 6.35 ft at 5:45AM Oct 17, 2019Observed: 6.35 ft at 6:00AM Oct 17, 2019Observed: 6.32 ft at 6:15AM Oct 17, 2019Observed: 6.32 ft at 6:30AM Oct 17, 2019Observed: 6.31 ft at 6:45AM Oct 17, 2019Observed: 6.31 ft at 7:00AM Oct 17, 2019Observed: 6.32 ft at 7:15AM Oct 17, 2019Observed: 6.31 ft at 7:30AM Oct 17, 2019Observed: 6.31 ft at 7:45AM Oct 17, 2019Observed: 6.29 ft at 8:00AM Oct 17, 2019Observed: 6.31 ft at 8:15AM Oct 17, 2019Observed: 6.29 ft at 8:30AM Oct 17, 2019Observed: 6.3 ft at 8:45AM Oct 17, 2019Observed: 6.28 ft at 9:00AM Oct 17, 2019Observed: 6.29 ft at 9:15AM Oct 17, 2019Observed: 6.28 ft at 9:30AM Oct 17, 2019Observed: 6.28 ft at 9:45AM Oct 17, 2019Observed: 6.28 ft at 10:00AM Oct 17, 2019Observed: 6.27 ft at 10:15AM Oct 17, 2019Observed: 6.26 ft at 10:30AM Oct 17, 2019Observed: 6.24 ft at 10:45AM Oct 17, 2019Observed: 6.23 ft at 11:00AM Oct 17, 2019Observed: 6.23 ft at 11:15AM Oct 17, 2019Observed: 6.22 ft at 11:30AM Oct 17, 2019Observed: 6.21 ft at 11:45AM Oct 17, 2019Observed: 6.19 ft at 12:00PM Oct 17, 2019Observed: 6.19 ft at 12:15PM Oct 17, 2019Observed: 6.18 ft at 12:30PM Oct 17, 2019Observed: 6.16 ft at 12:45PM Oct 17, 2019Observed: 6.14 ft at 1:00PM Oct 17, 2019Observed: 6.14 ft at 1:15PM Oct 17, 2019Observed: 6.13 ft at 1:30PM Oct 17, 2019Observed: 6.12 ft at 1:45PM Oct 17, 2019Observed: 6.11 ft at 2:00PM Oct 17, 2019Observed: 6.08 ft at 2:15PM Oct 17, 2019Observed: 6.08 ft at 2:30PM Oct 17, 2019Observed: 6.08 ft at 2:45PM Oct 17, 2019Observed: 6.06 ft at 3:00PM Oct 17, 2019Observed: 6.05 ft at 3:15PM Oct 17, 2019Observed: 6.05 ft at 3:30PM Oct 17, 2019Observed: 6.04 ft at 3:45PM Oct 17, 2019Observed: 6.03 ft at 4:00PM Oct 17, 2019Observed: 6.02 ft at 4:15PM Oct 17, 2019Observed: 6.01 ft at 4:30PM Oct 17, 2019Observed: 5.77 ft at 2:15AM Oct 18, 2019Observed: 5.77 ft at 2:30AM Oct 18, 2019Observed: 5.76 ft at 2:45AM Oct 18, 2019Observed: 5.77 ft at 3:00AM Oct 18, 2019Observed: 5.75 ft at 3:15AM Oct 18, 2019Observed: 5.76 ft at 3:30AM Oct 18, 2019Observed: 5.75 ft at 3:45AM Oct 18, 2019Observed: 5.76 ft at 4:00AM Oct 18, 2019Observed: 5.76 ft at 4:15AM Oct 18, 2019Observed: 5.76 ft at 4:30AM Oct 18, 2019Observed: 5.75 ft at 4:45AM Oct 18, 2019Observed: 5.75 ft at 5:00AM Oct 18, 2019Observed: 5.75 ft at 5:15AM Oct 18, 2019Observed: 5.75 ft at 5:30AM Oct 18, 2019Observed: 5.74 ft at 5:45AM Oct 18, 2019Observed: 5.75 ft at 6:00AM Oct 18, 2019Observed: 5.75 ft at 6:15AM Oct 18, 2019Observed: 5.73 ft at 6:30AM Oct 18, 2019Observed: 5.74 ft at 6:45AM Oct 18, 2019Observed: 5.74 ft at 7:00AM Oct 18, 2019Observed: 5.73 ft at 7:15AM Oct 18, 2019Observed: 5.74 ft at 7:30AM Oct 18, 2019Observed: 5.73 ft at 7:45AM Oct 18, 2019Observed: 5.74 ft at 8:00AM Oct 18, 2019Observed: 5.74 ft at 8:15AM Oct 18, 2019Observed: 5.72 ft at 8:30AM Oct 18, 2019Observed: 5.72 ft at 8:45AM Oct 18, 2019Observed: 5.72 ft at 9:00AM Oct 18, 2019Observed: 5.73 ft at 9:15AM Oct 18, 2019Observed: 5.71 ft at 9:30AM Oct 18, 2019Observed: 5.71 ft at 9:45AM Oct 18, 2019Observed: 5.72 ft at 10:00AM Oct 18, 2019Observed: 5.72 ft at 10:15AM Oct 18, 2019Observed: 5.72 ft at 10:30AM Oct 18, 2019Observed: 5.71 ft at 10:45AM Oct 18, 2019Observed: 5.72 ft at 11:00AM Oct 18, 2019Observed: 5.72 ft at 11:15AM Oct 18, 2019Observed: 5.71 ft at 11:30AM Oct 18, 2019Observed: 5.71 ft at 11:45AM Oct 18, 2019Observed: 5.7 ft at 12:00PM Oct 18, 2019Observed: 5.71 ft at 12:15PM Oct 18, 2019Observed: 5.72 ft at 12:30PM Oct 18, 2019Observed: 5.7 ft at 12:45PM Oct 18, 2019Observed: 5.71 ft at 1:00PM Oct 18, 2019Observed: 5.7 ft at 1:15PM Oct 18, 2019Observed: 5.71 ft at 1:30PM Oct 18, 2019Observed: 5.7 ft at 1:45PM Oct 18, 2019Observed: 5.71 ft at 2:00PM Oct 18, 2019Observed: 5.71 ft at 2:15PM Oct 18, 2019Observed: 5.71 ft at 2:30PM Oct 18, 2019Observed: 5.7 ft at 2:45PM Oct 18, 2019Observed: 5.69 ft at 3:00PM Oct 18, 2019Observed: 5.7 ft at 3:15PM Oct 18, 2019Observed: 5.71 ft at 3:30PM Oct 18, 2019Observed: 5.7 ft at 3:45PM Oct 18, 2019Observed: 5.7 ft at 4:00PM Oct 18, 2019USGS--Water Resources of the United StatesERDM2(plotting HGIRZ) Graph Created (12:39AM Oct 19, 2019)ObservedLatest observed value: 5.7 ft at 4:00 PM EDT 18-Oct-2019. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Patapsco River near Elkridge at Patapsco Valley State Park. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - near Catonsville Upstream Gauge Downstream Gauge Downstream Gauge - near Elkridge below Patapsco Valley State Park
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 19
Flood Stage: 15
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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
21 Water approaches structures.
20 Washington Boulevard begins to flood at the Elkridge/Halethorpe border.
19 Water covers the entrance park at Patapsco Valley State Park.
17 A low spot near the end of Levering Avenue begins to flood.
15 Water begins to cover a portion of River Road in Patapsco Valley State Park. Large portions of the park begin to flood near the playground off Gunn Road.
10 Water begins to cover riverside trails in Patapsco Valley State Park.
9 Water spills over the banks but no impacts are observed.
About This Location Collapse

Latitude: 39.227222° N, Longitude: 76.723056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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  

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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:35 AM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities