Maryland river levels

208 active gauges · data refreshed 2 min ago

95 gauges with a water-level reading and an official flood stage; 0 at action level below flood stage. 65 gauges without a usable water-level reading; 48 with a reading but no published minor flood stage.

This summary uses the latest available readings, which may be delayed. Check each gauge’s observation time below. Below-stage readings do not rule out flooding elsewhere, including streets and unmonitored waterways.

Rivers: Potomac River · Patuxent River · North Branch Potomac River · Monocacy River · Youghiogheny River · Deer Creek · Patapsco River · Dead Run · Hunting Creek · Little Seneca Creek Tributary · Piscataway Creek · Beaverdam Creek · Bynum Run · Winters Run · Minebank Run · Whitemarsh Run · Honeygo Run · Dead Run Tributary · Sawmill Creek · Little Patuxent River · Savage River · Wills Creek · Antietam Creek · Little Catoctin Creek · Fishing Creek · Carroll Creek · Linganore Creek · Tenmile Creek · Northwest Branch Anacostia River

Towns: Baltimore · Guilford · Bel Air · Frederick · Beckleysville · Rockville · Clarksburg · Swanton · Rosemont · Foxville · Joint Base Andrews · Friendsville · Whitesville · Wilson · Cumberland · Hancock

GaugeStatusStageFlowUpdated
Antietam Creek near Sharpsburg, MDNo flooding2.35 ft101 cfs
Antietam Creek near Waynesboro, PANo flooding2.17 ft27 cfs
Baisman Run at Broadmoor, MDNo flooding1.09 ft0 cfs
Beaver Run near Finksburg, MDNo flooding0.47 ft4 cfs
Beaverdam Run at Cockeysville, MDNo flooding2.97 ft9 cfs
Beetree Run at Bentley Springs, MDNo flooding0.63 ft4 cfs
Bennett Creek at Park Mills, MDNo flooding1.60 ft24 cfs
Big Elk Creek at Elk Mills, MDNo flooding3.37 ft47 cfs
Big Pipe Creek at Bruceville, MDNo flooding0.96 ft26 cfs
Bynum Run at Bel Air, MDNo flooding0.67 ft5 cfs
Catoctin Creek near Middletown, MDNo flooding1.56 ft9 cfs
Conococheague Creek at Fairview, MDNo flooding1.60 ft146 cfs
Cranberry Branch near Westminster, MDNo flooding1.30 ft1 cfs
Dead Run at Franklintown, MDNo flooding0.38 ft1 cfs
Dead Run at Woodlawn, MDNo flooding0.30 ft—
Dead Run near Catonsville, MDNo flooding0.37 ft—
Dead Run Tributary at Woodlawn, MDNo flooding2.79 ft—
Dead Run Tributary near Woodlawn, MDNo flooding0.15 ft—
Deer Creek at Rocks, MDNo flooding2.00 ft39 cfs
Deer Creek near Darlington, MDNo flooding1.18 ft74 cfs
East Branch Herbert Run at Arbutus, MDNo flooding0.86 ft1 cfs
Foster Branch near Joppatowne, MDNo flooding1.83 ft0 cfs
Georges Creek at Franklin, MDNo flooding1.95 ft14 cfs
Georges Run near Beckleysville, MDNo flooding0.23 ft7 cfs
Grave Run near Beckleysville, MDNo flooding-0.66 ft3 cfs
Gunpowder Falls at Glencoe, MDNo flooding0.83 ft69 cfs
Gunpowder Falls at Hoffmanville, MDNo flooding1.09 ft10 cfs
Gunpowder Falls near Parkton, MDNo flooding1.49 ft30 cfs
Gwynns Falls at Villa Nova, MDNo flooding0.79 ft10 cfs
Gwynns Falls at Washington Blvd at Baltimore, MDNo flooding2.38 ft27 cfs
Gwynns Falls near Delight, MDNo flooding0.13 ft1 cfs
Hawlings River near Sandy Spring, MDNo flooding0.49 ft10 cfs
Honeygo Run near White Marsh, MDNo flooding0.56 ft1 cfs
James Run near Belcamp, MDNo flooding3.12 ft11 cfs
Jones Falls at Sorrento, MDNo flooding7.82 ft6 cfs
Licking Creek at Pectonville, MDNo flooding1.77 ft41 cfs
Little Falls at Blue Mount, MDNo flooding0.07 ft24 cfs
Little Gunpowder Falls at Laurel Brook, MDNo flooding1.03 ft14 cfs
Little Patuxent River at Guilford, MDNo flooding2.00 ft16 cfs
Little Patuxent River at Savage, MDNo flooding3.02 ft33 cfs
Little Seneca Creek Tributary at Brink, MDNo flooding4.66 ft0 cfs
Little Seneca Creek Tributary near Clarksburg, MDNo flooding4.34 ft0 cfs
Little Seneca Creek Tributary near Germantown, MDNo flooding0.46 ft1 cfs
Long Green Creek at Glen Arm, MDNo flooding0.98 ft3 cfs
Long Quarter Branch at Lutherville, MDNo flooding1.04 ft1 cfs
Marsh Run at Grimes, MDNo flooding1.06 ft6 cfs
Mattawoman Creek near Pomonkey, MDNo flooding2.11 ft4 cfs
Minebank Run near Glen Arm, MDNo flooding4.10 ft1 cfs
Monocacy River at Bridgeport, MDNo flooding2.31 ft16 cfs
Monocacy River at Jug Bridge near Frederick, MDNo flooding1.66 ft154 cfs
Show 158 more Maryland gauges, including unavailable readings
GaugeStatusStageFlowUpdated
Monocacy River at Monocacy Blvd at Frederick, MDNo flooding1.52 ft104 cfs
Morgan Run near Louisville, MDNo flooding1.37 ft9 cfs
Nassawango Creek near Snow Hill, MDNo flooding1.84 ft10 cfs
North Branch Potomac River at Kitzmiller, MDNo flooding2.29 ft133 cfs
North Branch Potomac River at Luke, MDNo flooding2.02 ft450 cfs
North Branch Potomac River at Steyer, MDNo flooding2.45 ft78 cfs
North Branch Potomac River near Cumberland, MDNo flooding2.69 ft507 cfs
Northeast Branch Anacostia River at Riverdale, MDNo flooding0.40 ft10 cfs
Northwest Branch Anacostia River near Colesville, MDNo flooding1.40 ft3 cfs
Paint Branch near College Park, MDNo flooding1.48 ft2 cfs
Paint Branch Tributary near Colesville, MDNo flooding1.57 ft0 cfs
Patapsco River at Hollofield, MDNo flooding1.63 ft59 cfs
Patapsco River near Catonsville, MDNo flooding10.39 ft59 cfs
Patapsco River near Elkridge, MDNo flooding5.50 ft65 cfs
Patuxent River below Brighton Dam near Brighton MDNo flooding1.80 ft67 cfs
Patuxent River near Bowie, MDNo flooding4.24 ft123 cfs
Patuxent River near Laurel, MDNo flooding4.28 ft17 cfs
Patuxent River near Unity, MDNo flooding2.09 ft17 cfs
Piney Run at Dover, MDNo flooding1.46 ft5 cfs
Piscataway Creek at Piscataway, MDNo flooding2.66 ft—
Plumtree Run near Bel Air, MDNo flooding1.11 ft2 cfs
Potomac River at Edwards Ferry near Poolesville, MDNo flooding3.60 ft—
Potomac River at Hancock, MDNo flooding3.49 ft1,210 cfs
Potomac River at Paw Paw, WVNo flooding4.48 ft1,090 cfs
Potomac River at Point of Rocks, MDNo flooding1.50 ft2,210 cfs
Potomac River near Wash, Dc Little Falls Pump StaNo flooding2.99 ft2,800 cfs
Savage Riv below Savage Riv Dam near Bloomington, MDNo flooding0.90 ft74 cfs
Sawmill Creek at Glen Burnie, MDNo flooding1.89 ft3 cfs
Scotts Level Branch at Rockdale, MDNo flooding0.74 ft1 cfs
Seneca Creek at Dawsonville, MDNo flooding1.94 ft47 cfs
Sideling Hill Creek near Bellegrove, MDNo flooding0.40 ft4 cfs
Sligo Creek near Takoma Park, MDNo flooding0.58 ft1 cfs
Soper Branch at Hyattstown, MDNo flooding0.38 ft0 cfs
St Clements Creek near Clements, MDNo flooding-0.27 ft5 cfs
St Marys River at Great Mills, MDNo flooding1.45 ft6 cfs
Susquehanna River at Conowingo, MDNo flooding9.98 ft8,110 cfs
Swan Creek at Swan Creek, MDNo flooding2.94 ft5 cfs
Tenmile Creek near Boyds, MDNo flooding2.20 ft1 cfs
Tenmile Creek near Clarksburg, MDNo flooding2.94 ft1 cfs
Town Creek near Oldtown, MDNo flooding1.94 ft14 cfs
Tributary to Dead Run Tributary at Woodlawn, MDNo flooding0.58 ft—
Turkey Branch near Rockville, MDNo flooding4.30 ft0 cfs
West Branch Herring Run at Idlewylde, MDNo flooding0.85 ft1 cfs
Western Branch at Upper Marlboro, MDNo flooding1.70 ft17 cfs
Western Run at Western Run, MDNo flooding0.87 ft24 cfs
Whitemarsh Run at White Marsh, MDNo flooding2.85 ft2 cfs
Whitemarsh Run near Fullerton, MDNo flooding1.12 ft1 cfs
Wills Creek near Cumberland, MDNo flooding2.00 ft54 cfs
Winters Run near Bel Air, MDNo flooding1.28 ft15 cfs
Winters Run near Benson, MDNo flooding1.29 ft17 cfs
Zekiah Swamp Run near Newtown, MDNo flooding0.81 ft9 cfs
Bacon Ridge Branch at Chesterfield, MDNo current data———
Bassett Creek near Ironshire, MDNo current data———
Bear Branch near Thurmont, MDNo current data———
Bear Cabin Branch near Bel Air, MDNo current data———
Beaverdam Creek near Salisbury, MDNo current data———
Bennett Creek Tributary at Park Mills, MDNo current data———
Brien Run at Stemmers Run, MDNo current data———
Buffalo Run near Friendsville, MDNo current data———
Carroll Creek above Rock Creek at Frederick, MDNo current data———
Carroll Creek near Frederick, MDNo current data———
Crabtree Creek near Swanton, MDNo current data———
Dorsey Run near Jessup, MDNo current data———
Faulkner Branch at Federalsburg, MDNo current data———
Fishing Creek near Lewistown, MDNo current data———
Fishing Creek Tributary near Lewistown, MDNo current data———
Great Seneca Creek near Quince Orchard, MDNo current data———
Green Run near Careytown, MDNo current data———
Gwynns Falls at Glyndon, MDNo current data———
Gwynns Falls Tributary at Mcdonogh, MDNo current data———
Gwynns Run at Baltimore, MDNo current data———
Honeygo Run at White Marsh, MDNo current data———
Hunting Creek at Jimtown, MDNo current data———
Hunting Creek near Foxville, MDNo current data———
Hunting Creek near Huntingtown, MDNo current data———
Hunting Creek Tributary near Foxville, MDNo current data———
Jones Falls at Maryland Ave at Baltimore, MDNo current data———
Killpeck Creek at Huntersville, MDNo current data———
L Pax Riv Tributary above Lake Elkhorn near Guilford, MDNo current data———
L Pax Riv Tributary above Wilde Lake at Columbia, MDNo current data———
Laurel Run at Dobbin Rd near Wilson, MDNo current data———
Linganore Creek near Libertytown, MDNo current data———
Little Blackwater River at Seward, MDNo current data———
Little Catoctin Creek at Rosemont, MDNo current data———
Little Catoctin Creek near Rosemont, MDNo current data———
Mcmillan F near Fort Pendleton, MDNo current data———
Meetinghouse Branch at Camp Springs, MDNo current data———
Middle Patuxent River near Simpsonville, MDNo current data———
Mill Run at Mineral Spring, MDNo current data———
Minebank Run at Loch Raven, MDNo current data———
Mingo Branch near Hereford, MDNo current data———
Moores Run Tributary. near Todd Ave at Baltimore, MDNo current data———
North Fork Green Run near Whitesville, DENo current data———
North Fork Sand Run near Wilson, MDNo current data———
North Fork Whitemarsh Run near White Marsh, MDNo current data———
Northwest Br Anacostia River near Hyattsville, MDNo current data———
Nydegger Run near Gorman, MDNo current data———
Otter Point Creek near Edgewood, MDNo current data———
Piney Creek near Taneytown, MDNo current data———
Piscataway Creek at Joint Base Andrews, MDNo current data———
Piscataway Creek at Woodyard, MDNo current data———
Piscataway Creek Tributary at Joint Base Andrews, MDNo current data———
Poland Run near Swanton, MDNo current data———
Powder Mill Run near Lochearn, MDNo current data———
Principio Creek near Principio Furnace, MDNo current data———
Sand Spring Run at Frostburg, MDNo current data———
Savage River near Avilton, MDNo current data———
Sawmill Creek at Crain Hwy at Glen Burnie, MDNo current data———
Sawmill Creek Tributary at Bwi near Ferndale, MDNo current data———
Slade Run near Glyndon, MDNo current data———
South Fork Green Run near Whitesville, DENo current data———
St Leonard Creek near St Leonard, MDNo current data———
Stony Run at Ridgemede Road at Baltimore, MDNo current data———
Three Bridges Branch at Centreville, MDNo current data———
Watts Branch at Rockville, MDNo current data———
Wills Creek at Ellerslie, MDNo current data———
Arrowhead Run at Thayerville, MDNo flood stage defined2.76 ft0 cfs
Bear Creek at Friendsville, MDNo flood stage defined1.43 ft29 cfs
Beaverdam Creek near Cheverly, MDNo flood stage defined0.96 ft3 cfs
Birch Branch at Showell, MDNo flood stage defined3.37 ft1 cfs
Bynum Run near Abingdon, MDNo flood stage defined2.64 ft12 cfs
Cabin Branch near Boyds, MDNo flood stage defined4.23 ft1 cfs
Casselman River at Grantsville, MDNo flood stage defined1.13 ft45 cfs
Cattail Creek near Glenwood, MDNo flood stage defined0.60 ft11 cfs
Cherry Creek at State Park Road near McHenry, MDNo flood stage defined2.37 ft7 cfs
Chesterville Branch near Crumpton, MDNo flood stage defined1.59 ft—
Chicamacomico River near Salem, MDNo flood stage defined0.23 ft6 cfs
Choptank River near Greensboro, MDNo flood stage defined2.37 ft22 cfs
Deer Creek at Eden Mill Dam near Pylesville, MDNo flood stage defined348.84 ft—
Fishing Creek at Mountaindale, MDNo flood stage defined0.62 ft—
Herring Run at Sinclair Lane at Baltimore, MDNo flood stage defined4.04 ft30 cfs
Linganore Creek at Linganore Rd near Frederick, MDNo flood stage defined1.41 ft34 cfs
Manokin Branch near Princess Anne, MDNo flood stage defined1.69 ft3 cfs
Mcintosh Run near Leonardtown, MDNo flood stage defined0.52 ft—
Monocacy River near Dickerson, MDNo flood stage defined1.37 ft214 cfs
Moores Run at Radecke Ave at Baltimore, MDNo flood stage defined1.37 ft—
Morgan Creek near Kennedyville, MDNo flood stage defined1.28 ft4 cfs
North Branch Patapsco River at Cedarhurst, MDNo flood stage defined1.29 ft13 cfs
North Glade Run near Swanton, MDNo flood stage defined2.35 ft1 cfs
Northwest Branch Anacostia River at Brentwood, MDNo flood stage defined1.05 ft10 cfs
Octoraro Creek near Richardsmere, MDNo flood stage defined3.45 ft315 cfs
Pocomoke River near Willards, MDNo flood stage defined4.80 ft13 cfs
Pond Branch at Oregon Ridge, MDNo flood stage defined1.17 ft0 cfs
Potomac River at Burkittsville Rd at Brunswick, MDNo flood stage defined2.52 ft—
Potomac River at Harpers Ferry, WVNo flood stage defined0.83 ft—
Red Run near Owings Mills, MDNo flood stage defined1.08 ft3 cfs
Sallie Harris Creek near Carmichael, MDNo flood stage defined0.85 ft4 cfs
Sams Creek at Mckinstrys Mill, MDNo flood stage defined1.47 ft4 cfs
Savage River near Barton, MDNo flood stage defined1.11 ft15 cfs
South Fork Jabez Branch at Millersville, MDNo flood stage defined3.19 ft0 cfs
Tonoloway Creek near Hancock, MDNo flood stage defined1.68 ft10 cfs
Tuckahoe Creek near Ruthsburg, MDNo flood stage defined0.61 ft25 cfs
Unicorn Branch near Millington, MDNo flood stage defined1.80 ft7 cfs
Wheel Creek near Abingdon, MDNo flood stage defined1.59 ft1 cfs
Youghiogheny River at Friendsville, MDNo flood stage defined2.46 ft171 cfs
Youghiogheny River near Mchenry, MDNo flood stage defined2.85 ft138 cfs
Youghiogheny River near Oakland, MDNo flood stage defined2.29 ft87 cfs
Youghiogheny River near Swallow Falls Park, MDNo flood stage defined2.48 ft102 cfs
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.