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River Heights

Last Updated: Saturday October 17th, 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) 410.74ft No change in last hour Not Defined
Patapsco River at Woodstock (WOOM2) 236.25ft No change in last hour Not Defined
Patapsco River at Hollofield (PRHM2) 1.77ft No change in last hour  Normal
Patapsco River at Ellicott City (ELPM2) 114.29ft No change in last hour  Normal
Patapsco River near Catonsville (CTSM2) 10.77ft No change in last hour  Normal
Patapsco River near Elkridge at Patapsco State Park (ERDM2) 5.77ft No change in last hour  Normal
Patapsco River near Elkridge below Patapsco State Park (ELKM2) 8.16ft No change in last hour  Normal
NW Branch Patapsco River at Ft McHenry (BLTM2) N/Aft Rising at N/A ft/hrNo change forecasted in next hour Normal
East Branch Herbert Run at Arbutus (EBHM2) 0.90ft No change in last hourNo change forecasted in next hour Normal
Maiden Choice Run at Wilkens Ave (MCRM2) 0.86ft No change in last hourNo change forecasted in next hourNot Defined
Gwynns Falls at Washington Blvd (WBGM2) 2.62ft No change in last hourNo change forecasted in next hour Normal
Susquehanna River at Conowingo (CNWM2) 12.32ft No change in last hourNo change forecasted in next hour Normal
Chesapeake Bay at Havre de Grace (HDGM2) N/Aft Rising at N/A ft/hrNo change forecasted in next hour Normal
Chesapeake Bay at Tallchester Beach (TCBM2) N/Aft Rising at N/A ft/hrNo change forecasted in next hour Normal
Severn River at Annapolis (APAM2) 0.30ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Guilford Rd (LPGM2) 2.50ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Savage (SAVM2) 3.52ft No change in last hourNo change forecasted in next hour Normal
Patuxent River at Brighton Dam (BGHM2) 1.50ft 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) 5.01ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 2 - Terre Haute, IN (TERI3) 5.96ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 3 - Sabine River,TX (DWYT2) 13.60ft 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