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River Heights

Last Updated: Sunday August 16th, 2026 06:01 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) N/Aft   Old Data
Patapsco River at Woodstock (WOOM2) N/Aft   Old Data
Patapsco River at Hollofield (PRHM2) 1.65ft No change in last hour  Normal
Patapsco River at Ellicott City (ELPM2) N/Aft   Old Data
Patapsco River near Catonsville (CTSM2) 10.43ft No change in last hour  Normal
Patapsco River near Elkridge at Patapsco State Park (ERDM2) 5.50ft No change in last hour  Normal
Patapsco River near Elkridge below Patapsco State Park (ELKM2) N/Aft   Old Data
NW Branch Patapsco River at Ft McHenry (BLTM2) 1.73ft No change in last hourNo change forecasted in next hour Normal
East Branch Herbert Run at Arbutus (EBHM2) 1.08ft No change in last hourNo change forecasted in next hour Normal
Maiden Choice Run at Wilkens Ave (MCRM2) 1.17ft No change in last hourNo change forecasted in next hourNot Defined
Gwynns Falls at Washington Blvd (WBGM2) 2.88ft No change in last hourNo change forecasted in next hour Normal
Susquehanna River at Conowingo (CNWM2) 12.70ft 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) 1.61ft No change in last hourNo change forecasted in next hour Normal
Severn River at Annapolis (APAM2) 1.89ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Guilford Rd (LPGM2) 1.98ft No change in last hourNo change forecasted in next hour Normal
Little Patuxent River at Savage (SAVM2) 2.98ft No change in last hourNo change forecasted in next hour Normal
Patuxent River at Brighton Dam (BGHM2) 1.36ft 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) 5.65ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 2 - James River, SD (SFDS2) 7.78ft No change in last hourNo change forecasted in next hour Normal
Flood Test Location 3 - Sabine River,TX (DWYT2) 15.52ft 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