River Heights

Last Updated: Monday October 5th, 2026 10:31 PM 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) 410.67ft No change in last hour Not Defined
Patapsco River at Woodstock (WOOM2) 235.98ft 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) 113.90ft No change in last hour  Normal
Patapsco River near Catonsville (CTSM2) 10.25ft No change in last hour  Normal
Patapsco River near Elkridge at Patapsco State Park (ERDM2) 5.41ft No change in last hour  Normal
Patapsco River near Elkridge below Patapsco State Park (ELKM2) 7.57ft No change in last hour  Normal
NW Branch Patapsco River at Ft McHenry (BLTM2) 1.31ft No change in last hourNo change forecasted in next hour Normal
East Branch Herbert Run at Arbutus (EBHM2) 0.87ft No change in last hourNo change forecasted in next hour Normal
Maiden Choice Run at Wilkens Ave (MCRM2) 0.75ft No change in last hourNo change forecasted in next hourNot Defined
Gwynns Falls at Washington Blvd (WBGM2) 2.31ft No change in last hourNo change forecasted in next hour Normal
Susquehanna River at Conowingo (CNWM2) 12.36ft No change in last hourNo change forecasted in next hour Normal
Chesapeake Bay at Havre de Grace (HDGM2) 2.10ft No change in last hourNo change forecasted in next hour Normal
Chesapeake Bay at Tallchester Beach (TCBM2) 1.29ft No change in last hourNo change forecasted in next hour Normal
Severn River at Annapolis (APAM2) 1.80ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Guilford Rd (LPGM2) 1.92ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Savage (SAVM2) 2.97ft No change in last hourNo change forecasted in next hour Normal
Patuxent River at Brighton Dam (BGHM2) 1.91ft No change in last hourNo change forecasted in next hour Normal
Patuxent River at Duckett Dam (LPRM2) 4.32ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 1 - Big Sioux River, SD (WBWS2) 5.16ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 2 - Terre Haute, IN (TERI3) 8.34ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 3 - Sabine River,TX (DWYT2) 14.73ft 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