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River Heights

Last Updated: Friday October 23rd, 2026 04:31 AM EDT

Stage Color Key
No Flooding Near Flood Minor Flooding Mod Flooding Major Flooding Obs > 24hrs
Flood category not defined At/Below low water threshold Out of Service
Marker Key
Forecast Available Forecast Available Probability and Forecast Available Probability & Forecast Available Observations only Available Observations Only

Location HeightTrendForecastStatus
Patapsco River at Liberty Reservoir (MFEM2) 410.39ft No change in last hour Not Defined
Patapsco River at Woodstock (WOOM2) 236.09ft No change in last hour Not Defined
Patapsco River at Hollofield (PRHM2) 1.63ft No change in last hour  Normal
Patapsco River at Ellicott City (ELPM2) 114.05ft No change in last hour  Normal
Patapsco River near Catonsville (CTSM2) 10.43ft No change in last hour  Normal
Patapsco River near Elkridge at Patapsco State Park (ERDM2) 5.51ft No change in last hour  Normal
Patapsco River near Elkridge below Patapsco State Park (ELKM2) 7.70ft No change in last hour  Normal
NW Branch Patapsco River at Ft McHenry (BLTM2) 2.97ft No change in last hourNo change forecasted in next hour Near Flood Stage
East Branch Herbert Run at Arbutus (EBHM2) 0.86ft No change in last hourNo change forecasted in next hour Normal
Maiden Choice Run at Wilkens Ave (MCRM2) 0.78ft No change in last hourNo change forecasted in next hourNot Defined
Gwynns Falls at Washington Blvd (WBGM2) 2.38ft No change in last hourNo change forecasted in next hour Normal
Susquehanna River at Conowingo (CNWM2) 9.68ft No change in last hourNo change forecasted in next hour Normal
Chesapeake Bay at Havre de Grace (HDGM2) 2.07ft No change in last hourNo change forecasted in next hour Normal
Chesapeake Bay at Tallchester Beach (TCBM2) 3.00ft No change in last hourNo change forecasted in next hour Normal
Severn River at Annapolis (APAM2) 3.11ft No change in last hourNo change forecasted in next hour Minor Flooding
Little Patuxent River at Guilford Rd (LPGM2) 1.97ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Savage (SAVM2) 3.04ft No change in last hourNo change forecasted in next hour Normal
Patuxent River at Brighton Dam (BGHM2) 1.78ft No change in last hourNo change forecasted in next hour Normal
Patuxent River at Duckett Dam (LPRM2) 4.29ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 1 - Big Sioux River, SD (WBWS2) 5.05ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 2 - Terre Haute, IN (TERI3) 5.34ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 3 - Sabine River,TX (DWYT2) 13.29ft No change in last hourNo change forecasted in next hour Normal

Data Courtesy of the National Water Prediction Service
Script Courtesy of Dennis at East Masonville Weather with mods by Saratoga-weather.org