Maryland River Water Levels

245 public USGS stream gauges across 6 river basins, updated continuously.

Live water levels for every USGS stream gauge in Maryland, organized by river basin. Jump to a basin below, or open any gauge for current flow, gauge height, water temperature, and fishing conditions before you go.

Grouped by USGS hydrologic basin (largest first) — every indexed gauge is listed, nothing hidden behind a featured subset.

Upper Chesapeake Potomac Lower Chesapeake Monongahela Delaware-Mid Atlantic Coastal Susquehanna

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Upper Chesapeake

105 USGS gauges in the Upper Chesapeake watershed (HUC 0206).

BACK RIVER TRIBUTARY AT ROCKY POINT PARK, MD
USGS 0158540095
BACON RIDGE BRANCH AT CHESTERFIELD, MD
USGS 01590500
BAISMAN RUN AT BROADMOOR, MD
USGS 01583580
BEAR CABIN BRANCH NEAR BEL AIR, MD
USGS 01581690
BEAVER RUN NEAR FINKSBURG, MD
USGS 01586210
BEAVERDAM RUN AT COCKEYSVILLE, MD
USGS 01583600
BEETREE RUN AT BENTLEY SPRINGS, MD
USGS 01581960
BIG ELK CREEK AT ELK MILLS, MD
USGS 01495000
BRIEN RUN AT STEMMERS RUN, MD
USGS 01585400
BYNUM RUN AT BEL AIR, MD
USGS 01581500
BYNUM RUN NEAR ABINGDON, MD
USGS 01581590
CATTAIL CREEK NEAR GLENWOOD, MD
USGS 01591400
Ches Bay at Mouth of Susq R at Havre de Grace, MD
USGS 01580620
CHESTERVILLE BRANCH NEAR CRUMPTON, MD
USGS 01493112
CHOPTANK RIVER NEAR GREENSBORO, MD
USGS 01491000
CRANBERRY BRANCH NEAR WESTMINSTER, MD
USGS 01585500
DEAD RUN AT FRANKLINTOWN, MD
USGS 01589330
DEAD RUN AT WOODLAWN, MD
USGS 01589315
DEAD RUN NEAR CATONSVILLE, MD
USGS 01589312
DEAD RUN TRIBUTARY AT WOODLAWN, MD
USGS 01589320
DEAD RUN TRIBUTARY NEAR WOODLAWN, MD
USGS 01589316
DORSEY RUN NEAR JESSUP, MD
USGS 01594400
DUNDEE CREEK TRIBUTARY AT CHASE, MD
USGS 01585149
EAST BRANCH HERBERT RUN AT ARBUTUS, MD
USGS 01589100
EASTERN BAY AT CLAIBORNE, MD
USGS 01492600
FOSTER BRANCH NEAR JOPPATOWNE, MD
USGS 01585075
GEORGES RUN NEAR BECKLEYSVILLE, MD
USGS 01581870
GRAVE RUN NEAR BECKLEYSVILLE, MD
USGS 01581830
GUNPOWDER FALLS AT GLENCOE, MD
USGS 01582500
GUNPOWDER FALLS AT HOFFMANVILLE, MD
USGS 01581810
GUNPOWDER FALLS NEAR PARKTON, MD
USGS 01581920
GWYNNS FALLS AT GLYNDON, MD
USGS 01589180
GWYNNS FALLS AT VILLA NOVA, MD
USGS 01589300
GWYNNS FALLS AT WASHINGTON BLVD AT BALTIMORE, MD
USGS 01589352
GWYNNS FALLS NEAR DELIGHT, MD
USGS 01589197
GWYNNS FALLS TRIBUTARY AT MCDONOGH, MD
USGS 01589238
GWYNNS RUN AT BALTIMORE, MD
USGS 0158935180
HAWLINGS RIVER NEAR SANDY SPRING, MD
USGS 01591700
HERRING RUN AT SINCLAIR LANE AT BALTIMORE, MD
USGS 01585219
HONEYGO RUN AT WHITE MARSH, MD
USGS 01585105
HONEYGO RUN NEAR WHITE MARSH, MD
USGS 01585104
HUNTING CREEK NEAR HUNTINGTOWN, MD
USGS 01594670
JAMES RUN NEAR BELCAMP, MD
USGS 01581649
JONES FALLS AT MARYLAND AVE AT BALTIMORE, MD
USGS 01589478
JONES FALLS AT MOUTH AT BALTIMORE, MD
USGS 01589485
JONES FALLS AT SORRENTO, MD
USGS 01589440
KELLY POOL NEAR OUTFALL NEAR ODENTON, MD
USGS 01594418
KILLPECK CREEK AT HUNTERSVILLE, MD
USGS 01594710
L Pax Riv Trib above Lake Elkhorn nr Guilford, MD
USGS 01593450
L PAX RIV TRIB ABOVE WILDE LAKE AT COLUMBIA, MD
USGS 01593370
LITTLE FALLS AT BLUE MOUNT, MD
USGS 01582000
LITTLE GUNPOWDER FALLS AT LAUREL BROOK, MD
USGS 01584500
LITTLE PATUXENT RIVER AT GUILFORD, MD
USGS 01593500
LITTLE PATUXENT RIVER AT SAVAGE, MD
USGS 01594000
LONG GREEN CREEK AT GLEN ARM, MD
USGS 01584050
LONG QUARTER BRANCH AT LUTHERVILLE, MD
USGS 01583800
MIDDLE PATUXENT RIVER NEAR SIMPSONVILLE, MD
USGS 01593710
MINEBANK RUN AT LOCH RAVEN, MD
USGS 01583980
MINEBANK RUN NEAR GLEN ARM, MD
USGS 0158397967
MINGO BRANCH NEAR HEREFORD, MD
USGS 01581940
MOORES RUN AT RADECKE AVE AT BALTIMORE, MD
USGS 01585230
MOORES RUN TRIB. NEAR TODD AVE AT BALTIMORE, MD
USGS 01585225
MORGAN CREEK NEAR KENNEDYVILLE, MD
USGS 01493500
MORGAN RUN NEAR LOUISVILLE, MD
USGS 01586610
NORTH BRANCH PATAPSCO RIVER AT CEDARHURST, MD
USGS 01586000
NORTH FORK WHITEMARSH RUN NEAR WHITE MARSH, MD
USGS 01585095
OTTER POINT CREEK NEAR EDGEWOOD, MD
USGS 01581757
PATAPSCO RIVER AT HOLLOFIELD, MD
USGS 01589000
PATAPSCO RIVER NEAR CATONSVILLE, MD
USGS 01589025
PATAPSCO RIVER NEAR ELKRIDGE, MD
USGS 01589035
Patuxent R at Gov Bridge Natural Area nr Bowie MD
USGS 01594441
Patuxent River below Brighton Dam near Brighton MD
USGS 01591610
PATUXENT RIVER NEAR BOWIE, MD
USGS 01594440
Patuxent River near Laurel, MD
USGS 01592500
PATUXENT RIVER NEAR UNITY, MD
USGS 01591000
PINEY RUN AT DOVER, MD
USGS 01583100
PLUMTREE RUN NEAR BEL AIR, MD
USGS 01581752
POND BRANCH AT OREGON RIDGE, MD
USGS 01583570
POWDER MILL RUN NEAR LOCHEARN, MD
USGS 01589305
PRINCIPIO CREEK NEAR PRINCIPIO FURNACE, MD
USGS 01496200
RED RUN NEAR OWINGS MILLS, MD
USGS 01589230
ROGNEL HGTS STORM SEWER OUTFALL AT BALTIMORE, MD
USGS 01589340
SALLIE HARRIS CREEK NEAR CARMICHAEL, MD
USGS 01492500
SAWMILL CREEK AT CRAIN HWY AT GLEN BURNIE, MD
USGS 01589512
SAWMILL CREEK AT GLEN BURNIE, MD
USGS 01589500
SAWMILL CREEK TRIBUTARY AT BWI NEAR FERNDALE, MD
USGS 01589501
SCOTTS LEVEL BRANCH AT ROCKDALE, MD
USGS 01589290
SLADE RUN NEAR GLYNDON, MD
USGS 01583000
SOUTH FORK JABEZ BRANCH AT MILLERSVILLE, MD
USGS 01589795
ST LEONARD CREEK NEAR ST LEONARD, MD
USGS 01594800
STONY RUN AT RIDGEMEDE ROAD AT BALTIMORE, MD
USGS 01589464
SWAN CREEK AT SWAN CREEK, MD
USGS 01580700
THREE BRIDGES BRANCH AT CENTREVILLE, MD
USGS 01494150
TRIBUTARY TO DEAD RUN TRIBUTARY AT WOODLAWN, MD
USGS 01589317
TUCKAHOE CREEK NEAR RUTHSBURG, MD
USGS 01491500
UNICORN BRANCH NEAR MILLINGTON, MD
USGS 01493000
Unnamed Ditch on Wilson Pt Rd at Middle River, MD
USGS 01585175
WEST BRANCH HERRING RUN AT IDLEWYLDE, MD
USGS 01585200
WESTERN BRANCH AT UPPER MARLBORO, MD
USGS 01594526
WESTERN RUN AT WESTERN RUN, MD
USGS 01583500
WHEEL CREEK NEAR ABINGDON, MD
USGS 0158175320
WHITEMARSH RUN AT WHITE MARSH, MD
USGS 01585100
WHITEMARSH RUN NEAR FULLERTON, MD
USGS 01585090
WINTERS RUN NEAR BEL AIR, MD
USGS 01581750
WINTERS RUN NEAR BENSON, MD
USGS 01581700

Potomac

94 USGS gauges in the Potomac watershed (HUC 0207).

ALB. POWELL FISH HATCHERY SP. AT BEAVER CREEK, MD
USGS 01619320
ANACOSTIA RIVER AT BLADENSBURG WATERFRONT PARK, MD
USGS 01651007
ANTIETAM CREEK NEAR SHARPSBURG, MD
USGS 01619500
ANTIETAM CREEK NEAR WAYNESBORO, PA
USGS 01619000
BEAR BRANCH NEAR THURMONT, MD
USGS 01640980
BEAVERDAM CREEK NEAR CHEVERLY, MD
USGS 01651730
BENNETT CREEK AT PARK MILLS, MD
USGS 01643500
BENNETT CREEK TRIBUTARY AT PARK MILLS, MD
USGS 01643495
BIG HUNTING CREEK NEAR THURMONT, MD
USGS 01640975
BIG PIPE CREEK AT BRUCEVILLE, MD
USGS 01639500
CABIN BRANCH NEAR BOYDS, MD
USGS 01644380
CARROLL CREEK ABOVE ROCK CREEK AT FREDERICK, MD
USGS 01642199
CARROLL CREEK NEAR FREDERICK, MD
USGS 01642198
CATOCTIN CREEK NEAR MIDDLETOWN, MD
USGS 01637500
CONOCOCHEAGUE CREEK AT FAIRVIEW, MD
USGS 01614500
CRABTREE CREEK NEAR SWANTON, MD
USGS 01597000
Fishing Creek at Mountaindale, MD
USGS 01641501
FISHING CREEK NEAR LEWISTOWN, MD
USGS 01641500
FISHING CREEK TRIBUTARY NEAR LEWISTOWN, MD
USGS 01641510
FR Dd 178
USGS 392552077262201
FR Dd 213
USGS 392556077263301
FR Dd 245
USGS 392605077262801
GEORGES CREEK AT FRANKLIN, MD
USGS 01599000
GREAT SENECA CREEK NEAR QUINCE ORCHARD, MD
USGS 01644600
HOFFMAN DRAINAGE TUNNEL AT CLARYSVILLE, MD
USGS 01601420
HUNTING CREEK AT JIMTOWN, MD
USGS 01641000
HUNTING CREEK NEAR FOXVILLE, MD
USGS 01640965
HUNTING CREEK TRIBUTARY NEAR FOXVILLE, MD
USGS 01640970
LAUREL RUN AT DOBBIN RD NEAR WILSON, MD
USGS 01594930
LICKING CREEK AT PECTONVILLE, MD
USGS 01613525
LINGANORE CREEK AT LINGANORE RD NEAR FREDERICK, MD
USGS 01642600
LINGANORE CREEK NEAR LIBERTYTOWN, MD
USGS 01642438
LITTLE CATOCTIN CREEK AT ROSEMONT, MD
USGS 01636846
LITTLE CATOCTIN CREEK NEAR ROSEMONT, MD
USGS 01636845
LITTLE SENECA CREEK TRIBUTARY AT BRINK, MD
USGS 01644372
LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MD
USGS 01644371
LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, MD
USGS 01644375
MARSH RUN AT GRIMES, MD
USGS 01617800
MATTAWOMAN CREEK NEAR POMONKEY, MD
USGS 01658000
MCINTOSH RUN NEAR LEONARDTOWN, MD
USGS 01661350
MCMILLAN F NEAR FORT PENDLETON, MD
USGS 01594950
MEETINGHOUSE BRANCH AT CAMP SPRINGS, MD
USGS 01653620
MONOCACY RIVER AT BRIDGEPORT, MD
USGS 01639000
MONOCACY RIVER AT JUG BRIDGE NEAR FREDERICK, MD
USGS 01643000
MONOCACY RIVER AT MONOCACY BLVD AT FREDERICK, MD
USGS 01642190
MONOCACY RIVER NEAR DICKERSON, MD
USGS 01643580
NORTH BRANCH POTOMAC RIVER AT KITZMILLER, MD
USGS 01595500
NORTH BRANCH POTOMAC RIVER AT LUKE, MD
USGS 01598500
NORTH BRANCH POTOMAC RIVER AT STEYER, MD
USGS 01595000
NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND, MD
USGS 01603000
NORTH FORK SAND RUN NEAR WILSON, MD
USGS 01594936
NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD
USGS 01649500
NORTHWEST BR ANACOSTIA RIVER NR HYATTSVILLE, MD
USGS 01651000
NORTHWEST BRANCH ANACOSTIA RIVER AT BRENTWOOD, MD
USGS 01651003
Northwest Branch Anacostia River nr Colesville, MD
USGS 01650500
NYDEGGER RUN NEAR GORMAN, MD
USGS 01594963
PAINT BRANCH NEAR COLLEGE PARK, MD
USGS 01649190
PAINT BRANCH TRIBUTARY NEAR COLESVILLE, MD
USGS 01649150
PINEY CREEK NEAR TANEYTOWN, MD
USGS 01639140
PISCATAWAY CREEK AT JOINT BASE ANDREWS, MD
USGS 01653521
PISCATAWAY CREEK AT PISCATAWAY, MD
USGS 01653600
PISCATAWAY CREEK AT WOODYARD, MD
USGS 01653560
PISCATAWAY CREEK TRIB AT JOINT BASE ANDREWS, MD
USGS 01653522
POTOMAC RIVER AT BURKITTSVILLE RD AT BRUNSWICK, MD
USGS 01636765
POTOMAC RIVER AT EDWARDS FERRY NEAR POOLESVILLE,MD
USGS 01644148
POTOMAC RIVER AT HANCOCK, MD
USGS 01613000
POTOMAC RIVER AT HARPERS FERRY, WV
USGS 01620000
POTOMAC RIVER AT INDIAN HEAD, MD
USGS 01655480
POTOMAC RIVER AT PAW PAW, WV
USGS 01610000
POTOMAC RIVER AT POINT OF ROCKS, MD
USGS 01638500
POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA
USGS 01646500
SAMS CREEK AT MCKINSTRYS MILL, MD
USGS 01640152
SAND SPRING RUN AT FROSTBURG, MD
USGS 01598650
SAVAGE RIV BL SAVAGE RIV DAM NEAR BLOOMINGTON, MD
USGS 01597500
SAVAGE RIVER NEAR AVILTON, MD
USGS 01596050
SAVAGE RIVER NEAR BARTON, MD
USGS 01596500
SAVAGE RIVER RESERVOIR NEAR BLOOMINGTON, MD
USGS 01597490
SENECA CREEK AT DAWSONVILLE, MD
USGS 01645000
SIDELING HILL CREEK NEAR BELLEGROVE, MD
USGS 01610155
SLIGO CREEK NEAR TAKOMA PARK, MD
USGS 01650800
SOPER BRANCH AT HYATTSTOWN, MD
USGS 01643395
St Clements Creek near Clements, MD
USGS 01661050
St George Creek at Piney Point, MD
USGS 01661510
St Marys Lake near Callaway, MD
USGS 01661499
St Marys River at Great Mills, MD
USGS 01661500
TENMILE CREEK NEAR BOYDS, MD
USGS 01644390
TENMILE CREEK NEAR CLARKSBURG, MD
USGS 01644388
TONOLOWAY CREEK NEAR HANCOCK, MD
USGS 01613095
TOWN CREEK NEAR OLDTOWN, MD
USGS 01609000
TURKEY BRANCH NEAR ROCKVILLE, MD
USGS 01647850
WATTS BRANCH AT ROCKVILLE, MD
USGS 01645200
WILLS CREEK AT ELLERSLIE, MD
USGS 01601100
WILLS CREEK NEAR CUMBERLAND, MD
USGS 01601500
ZEKIAH SWAMP RUN NEAR NEWTOWN, MD
USGS 01660920

Lower Chesapeake

14 USGS gauges in the Lower Chesapeake watershed (HUC 0208).

BEAVERDAM CREEK NEAR SALISBURY, MD
USGS 01486500
CHICAMACOMICO RIVER NEAR SALEM, MD
USGS 01490000
DO Fe 44
USGS 381922076043001
DO Fe 45
USGS 381922076043002
FARM CREEK NEAR TODDVILLE, MD
USGS 01490200
FAULKNER BRANCH AT FEDERALSBURG, MD
USGS 01489000
GREEN RUN NEAR CAREYTOWN, MD
USGS 01484985
LITTLE BLACKWATER RIVER AT SEWARD, MD
USGS 01490140
MANOKIN BRANCH NEAR PRINCESS ANNE, MD
USGS 01486000
NANTICOKE RIVER AT SHARPTOWN, MD
USGS 01488110
NASSAWANGO CREEK NEAR SNOW HILL, MD
USGS 01485500
NORTH FORK GREEN RUN NEAR WHITESVILLE, DE
USGS 01484981
POCOMOKE RIVER NEAR WILLARDS, MD
USGS 01485000
SOUTH FORK GREEN RUN NEAR WHITESVILLE, DE
USGS 01484983

Monongahela

13 USGS gauges in the Monongahela watershed (HUC 0502).

ARROWHEAD RUN AT THAYERVILLE, MD
USGS 03075850
BEAR CREEK AT FRIENDSVILLE, MD
USGS 03076600
BUFFALO RUN NEAR FRIENDSVILLE, MD
USGS 03076700
CASSELMAN RIVER AT GRANTSVILLE, MD
USGS 03078000
Cherry Creek at State Park Road near McHenry, MD
USGS 03075905
DEEP CREEK LAKE NEAR THAYERVILLE, MD
USGS 03075871
MILL RUN AT MINERAL SPRING, MD
USGS 03076800
NORTH GLADE RUN NEAR SWANTON, MD
USGS 03075825
POLAND RUN NEAR SWANTON, MD
USGS 03075800
YOUGHIOGHENY RIVER AT FRIENDSVILLE, MD
USGS 03076500
YOUGHIOGHENY RIVER NEAR MCHENRY, MD
USGS 03076100
YOUGHIOGHENY RIVER NEAR OAKLAND, MD
USGS 03075500
YOUGHIOGHENY RIVER NEAR SWALLOW FALLS PARK, MD
USGS 03075590

Delaware-Mid Atlantic Coastal

12 USGS gauges in the Delaware-Mid Atlantic Coastal watershed (HUC 0204).

BASSETT CREEK NEAR IRONSHIRE, MD
USGS 01484719
BIRCH BRANCH AT SHOWELL, MD
USGS 0148471320
BUNTINGS GUT NEAR CEDARTOWN, MD
USGS 0148472405
WO Cg 101
USGS 381805075063502
WO Cg 103
USGS 381804075063402
WO Cg 105
USGS 381806075063201
WO Cg 106
USGS 381806075063301
WO Ef 41
USGS 380528075124301
WO Ef 42
USGS 380527075124101
WO Ef 43
USGS 380527075124102
WO Ef 37
USGS 380512075125402
WO Ff 12
USGS 380457075122302

Susquehanna

7 USGS gauges in the Susquehanna watershed (HUC 0205).

DEER CREEK AT EDEN MILL DAM NEAR PYLESVILLE, MD
USGS 01579905
DEER CREEK AT ROCKS, MD
USGS 01580000
DEER CREEK NEAR DARLINGTON, MD
USGS 01580520
Little Deer Creek Reservoir near Shawsville, MD
USGS 01579920
Octoraro Creek near Richardsmere, MD
USGS 01578475
SUSQUEHANNA RIVER AT CONOWINGO, MD
USGS 01578310
SUSQUEHANNA RIVER NEAR DARLINGTON, MD
USGS 01579550

Neighboring States

Fishing the border? Check river levels in nearby states:

District of Columbia river levels Delaware river levels Pennsylvania river levels Virginia river levels West Virginia river levels

Frequently Asked Questions

How many public stream gauges does Waderly index in Maryland?

Waderly currently indexes 245 public USGS stream gauges in Maryland. Examples on this page include Alb. Powell Fish Hatchery Sp., Anacostia River, Antietam Creek.

What can I find on the Maryland stream gauges page?

This state hub links to every indexed Waderly gauge page in Maryland, so you can jump from a statewide view into current flow, gauge height, water temperature, and weather for individual rivers and creeks.

Why use the Maryland state hub instead of searching one river at a time?

The Maryland hub is a crawlable index of the full state network. It makes it easier to compare nearby waters, discover smaller creeks you may not search by name, and reach every gauge page from one place.

Waderly supports public stream gauges across all 50 states. This Maryland page includes the full state index, so search engines and users can reach every gauge from one crawlable hub.

These pages are built from the public USGS stream-gauge network and linked into Waderly's map so anglers, paddlers, and waders can move from a broad state view into specific rivers quickly.