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USGS Current Water Data for Maryland

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Daily Streamflow Conditions

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Stream gage levels in Maryland, relative to 30 year average. 01658000: Flow=75.7cfs,Stage=3.37ft,Floodstage=7ft,2025-07-20 04:50,High,MATTAWOMAN CREEK NEAR POMONKEY, MD01648000: Flow=1110cfs,Stage=6.03ft,Floodstage=7ft,2025-07-20 04:15,High,ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC01594526: Flow=1180cfs,Stage=9.78ft,Floodstage=11ft,2025-07-20 04:15,High,WESTERN BRANCH AT UPPER MARLBORO, MD01591400: Flow=80.9cfs,Stage=1.67ft,2025-07-20 04:45,High,CATTAIL CREEK NEAR GLENWOOD, MD01589000: Flow=1130cfs,Stage=3.37ft,Floodstage=11ft,2025-07-20 04:15,High,PATAPSCO RIVER AT HOLLOFIELD, MD03078000: Flow=64.9cfs,Stage=1.25ft,2025-07-20 04:30,>90,CASSELMAN RIVER AT GRANTSVILLE, MD03076600: Flow=148cfs,Stage=2.44ft,2025-07-20 04:30,>90,BEAR CREEK AT FRIENDSVILLE, MD01661500: Flow=31.7cfs,Stage=1.86ft,Floodstage=7ft,2025-07-20 04:30,>90,ST MARYS RIVER AT GREAT MILLS, MD01661050: Flow=28.1cfs,Stage=0.62ft,Floodstage=7ft,2025-07-20 04:15,>90,ST CLEMENTS CREEK NEAR CLEMENTS, MD01660920: Flow=76.1cfs,Stage=1.82ft,Floodstage=11ft,2025-07-20 04:15,>90,ZEKIAH SWAMP RUN NEAR NEWTOWN, MD01653600: Flow=39.8cfs,Stage=2.92ft,Floodstage=11.5ft,2025-07-20 04:30,>90,PISCATAWAY CREEK AT PISCATAWAY, MD01650500: Flow=111cfs,Stage=2.30ft,Floodstage=9ft,2025-07-20 04:45,>90,NORTHWEST BRANCH ANACOSTIA RIVER NR COLESVILLE, MD01646500: Flow=14000cfs,Stage=4.38ft,Floodstage=10ft,2025-07-20 04:50,>90,POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA01646000: Flow=95.8cfs,Stage=3.65ft,Floodstage=11ft,2025-07-20 04:15,>90,DIFFICULT RUN NEAR GREAT FALLS, VA01638500: Flow=13400cfs,Stage=4.25ft,Floodstage=16ft,2025-07-20 03:45,>90,POTOMAC RIVER AT POINT OF ROCKS, MD01636500: Flow=5570cfs,Stage=5.03ft,Floodstage=10ft,2025-07-20 04:30,>90,SHENANDOAH RIVER AT MILLVILLE, WV01614500: Flow=685cfs,Stage=2.99ft,Floodstage=10ft,2025-07-20 04:45,>90,CONOCOCHEAGUE CREEK AT FAIRVIEW, MD01613000: Flow=3970cfs,Stage=5.38ft,Floodstage=25ft,2025-07-20 04:15,>90,POTOMAC RIVER AT HANCOCK, MD01611500: Flow=606cfs,Stage=2.76ft,Floodstage=9ft,2025-07-20 04:30,>90,CACAPON RIVER NEAR GREAT CACAPON, WV01610000: Flow=3130cfs,Stage=6.53ft,Floodstage=25ft,2025-07-20 04:15,>90,POTOMAC RIVER AT PAW PAW, WV01604500: Flow=246cfs,Stage=4.15ft,Floodstage=9ft,2025-07-20 04:30,>90,PATTERSON CREEK NEAR HEADSVILLE, WV01603000: Flow=715cfs,Stage=2.97ft,Floodstage=17ft,2025-07-20 04:15,>90,NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND, MD01601500: Flow=214cfs,Stage=2.79ft,Floodstage=10ft,2025-07-20 04:00,>90,WILLS CREEK NEAR CUMBERLAND, MD01596500: Flow=34.1cfs,Stage=1.31ft,2025-07-20 04:15,>90,SAVAGE RIVER NEAR BARTON, MD01595500: Flow=363cfs,Stage=3.15ft,Floodstage=9ft,2025-07-20 04:15,>90,NORTH BRANCH POTOMAC RIVER AT KITZMILLER, MD01594440: Flow=769cfs,Stage=7.87ft,Floodstage=19ft,2025-07-20 04:45,>90,PATUXENT RIVER NEAR BOWIE, MD01594000: Flow=815cfs,Stage=6.07ft,Floodstage=10ft,2025-07-20 04:15,>90,LITTLE PATUXENT RIVER AT SAVAGE, MD01593500: Flow=129cfs,Stage=3.37ft,Floodstage=12ft,2025-07-20 04:00,>90,LITTLE PATUXENT RIVER AT GUILFORD, MD01592500: Flow=126cfs,Stage=5.30ft,Floodstage=9.5ft,2025-07-20 04:15,>90,PATUXENT RIV NEAR LAUREL, MD01591700: Flow=97.2cfs,Stage=1.14ft,Floodstage=6.5ft,2025-07-20 04:45,>90,HAWLINGS RIVER NEAR SANDY SPRING, MD01591610: Flow=207cfs,Stage=2.31ft,Floodstage=9ft,2025-07-20 04:45,>90,PATUXENT RIVER BELOW BRIGHTON DAM NEAR BRIGHTON,MD01591000: Flow=51.0cfs,Stage=2.50ft,Floodstage=8ft,2025-07-20 03:55,>90,PATUXENT RIVER NEAR UNITY, MD01589300: Flow=106cfs,Stage=1.61ft,Floodstage=11ft,2025-07-20 04:30,>90,GWYNNS FALLS AT VILLA NOVA, MD01490000: Flow=25.5cfs,Stage=0.96ft,2025-07-20 04:15,>90,CHICAMACOMICO RIVER NEAR SALEM, MD03076500: Flow=383cfs,Stage=2.92ft,2025-07-20 04:45,76-90,YOUGHIOGHENY RIVER AT FRIENDSVILLE, MD03075500: Flow=195cfs,Stage=2.70ft,2025-07-20 04:15,76-90,YOUGHIOGHENY RIVER NEAR OAKLAND, MD03066000: Flow=217cfs,Stage=2.57ft,Floodstage=20ft,2025-07-20 04:30,76-90,BLACKWATER RIVER AT DAVIS, WV01645000: Flow=84.6cfs,Stage=2.18ft,Floodstage=7.5ft,2025-07-20 04:50,76-90,SENECA CREEK AT DAWSONVILLE, MD01643000: Flow=383cfs,Stage=2.32ft,Floodstage=15ft,2025-07-20 04:30,76-90,MONOCACY RIVER AT JUG BRIDGE NEAR FREDERICK, MD01639500: Flow=71.8cfs,Stage=1.36ft,Floodstage=8ft,2025-07-20 04:00,76-90,BIG PIPE CREEK AT BRUCEVILLE, MD01639000: Flow=41.6cfs,Stage=2.72ft,Floodstage=13ft,2025-07-20 04:30,76-90,MONOCACY RIVER AT BRIDGEPORT, MD01638480: Flow=44.8cfs,Stage=3.00ft,Floodstage=12ft,2025-07-20 04:30,76-90,CATOCTIN CREEK AT TAYLORSTOWN, VA01610155: Flow=25.5cfs,Stage=0.85ft,Floodstage=7.5ft,2025-07-20 04:00,76-90,SIDELING HILL CREEK NEAR BELLEGROVE, MD01595000: Flow=183cfs,Stage=2.84ft,Floodstage=9ft,2025-07-20 04:15,76-90,NORTH BRANCH POTOMAC RIVER AT STEYER, MD01589330: Flow=4.70cfs,Stage=0.55ft,Floodstage=10ft,2025-07-20 04:45,76-90,DEAD RUN AT FRANKLINTOWN, MD01586610: Flow=27.3cfs,Stage=1.72ft,Floodstage=16ft,2025-07-20 04:00,76-90,MORGAN RUN NEAR LOUISVILLE, MD01586210: Flow=16.1cfs,Stage=0.75ft,Floodstage=5ft,2025-07-20 04:00,76-90,BEAVER RUN NEAR FINKSBURG, MD01583500: Flow=68.9cfs,Stage=1.41ft,Floodstage=8ft,2025-07-20 04:35,76-90,WESTERN RUN AT WESTERN RUN, MD01583100: Flow=13.1cfs,Stage=1.68ft,Floodstage=8.5ft,2025-07-20 04:45,76-90,PINEY RUN AT DOVER, MD01582500: Flow=240cfs,Stage=1.90ft,Floodstage=7ft,2025-07-20 04:20,76-90,GUNPOWDER FALLS AT GLENCOE, MD01582000: Flow=71.1cfs,Stage=0.62ft,Floodstage=8.5ft,2025-07-20 04:15,76-90,LITTLE FALLS AT BLUE MOUNT, MD01493500: Flow=8.98cfs,Stage=1.45ft,2025-07-20 03:45,76-90,MORGAN CREEK NEAR KENNEDYVILLE, MD01493000: Flow=25.9cfs,Stage=1.65ft,2025-07-20 04:00,76-90,UNICORN BRANCH NEAR MILLINGTON, MD01491000: Flow=107cfs,Stage=3.10ft,2025-07-20 04:15,76-90,CHOPTANK RIVER NEAR GREENSBORO, MD01488500: Flow=25.0cfs,Stage=2.59ft,2025-07-20 03:45,76-90,MARSHYHOPE CREEK NEAR ADAMSVILLE, DE01486000: Flow=1.49cfs,Stage=1.56ft,2025-07-20 04:15,76-90,MANOKIN BRANCH NEAR PRINCESS ANNE, MD01485000: Flow=33.7cfs,Stage=5.46ft,2025-07-20 04:45,76-90,POCOMOKE RIVER NEAR WILLARDS, MD01478000: Flow=12.9cfs,Stage=4.09ft,Floodstage=11ft,2025-07-20 04:15,76-90,CHRISTINA RIVER AT COOCHS BRIDGE, DE01578310: Flow=6020cfs,Stage=9.52ft,Floodstage=23.5ft,2025-07-20 04:35,10-24,SUSQUEHANNA RIVER AT CONOWINGO, MD01653000: Flow=13.1cfs,Stage=3.88ft,Floodstage=9.5ft,2025-07-20 04:55,25-75,CAMERON RUN AT ALEXANDRIA, VA01652500: Flow=5.86cfs,Stage=4.13ft,Floodstage=12ft,2025-07-20 04:50,25-75,FOURMILE RUN AT ALEXANDRIA, VA01643500: Flow=32.0cfs,Stage=1.66ft,Floodstage=11ft,2025-07-20 04:45,25-75,BENNETT CREEK AT PARK MILLS, MD01637500: Flow=20.0cfs,Stage=1.71ft,Floodstage=15ft,2025-07-20 04:45,25-75,CATOCTIN CREEK NEAR MIDDLETOWN, MD01619500: Flow=184cfs,Stage=2.68ft,Floodstage=8ft,2025-07-20 04:30,25-75,ANTIETAM CREEK NEAR SHARPSBURG, MD01619000: Flow=54.9cfs,Stage=2.43ft,Floodstage=6.5ft,2025-07-20 04:45,25-75,ANTIETAM CREEK NEAR WAYNESBORO, PA01617800: Flow=10.6cfs,Stage=1.16ft,Floodstage=6ft,2025-07-20 04:15,25-75,MARSH RUN AT GRIMES, MD01609000: Flow=45.4cfs,Stage=2.27ft,Floodstage=14ft,2025-07-20 04:15,25-75,TOWN CREEK NEAR OLDTOWN, MD01598500: Flow=316cfs,Stage=1.71ft,Floodstage=10.5ft,2025-07-20 04:00,25-75,NORTH BRANCH POTOMAC RIVER AT LUKE, MD01597500: Flow=53.0cfs,Stage=0.68ft,2025-07-20 04:15,25-75,SAVAGE RIV BL SAVAGE RIV DAM NEAR BLOOMINGTON, MD01595800: Flow=250cfs,Stage=3.02ft,2025-07-20 04:15,25-75,NORTH BRANCH POTOMAC RIVER AT BARNUM, WV01589500: Flow=4.66cfs,Stage=1.96ft,Floodstage=5ft,2025-07-20 04:45,25-75,SAWMILL CREEK AT GLEN BURNIE, MD01589440: Flow=16.8cfs,Stage=7.85ft,Floodstage=17ft,2025-07-20 04:15,25-75,JONES FALLS AT SORRENTO, MD01589100: Flow=2.04cfs,Stage=0.96ft,Floodstage=7ft,2025-07-20 04:40,25-75,EAST BRANCH HERBERT RUN AT ARBUTUS, MD01586000: Flow=44.0cfs,Stage=1.55ft,2025-07-20 04:00,25-75,NORTH BRANCH PATAPSCO RIVER AT CEDARHURST, MD01585200: Flow=1.14cfs,Stage=1.05ft,Floodstage=9ft,2025-07-20 04:05,25-75,WEST BRANCH HERRING RUN AT IDLEWYLDE, MD01585100: Flow=5.30cfs,Stage=3.29ft,Floodstage=11ft,2025-07-20 04:30,25-75,WHITEMARSH RUN AT WHITE MARSH, MD01584500: Flow=31.0cfs,Stage=1.29ft,Floodstage=7.5ft,2025-07-20 04:15,25-75,LITTLE GUNPOWDER FALLS AT LAUREL BROOK, MD01584050: Flow=4.42cfs,Stage=1.06ft,Floodstage=7ft,2025-07-20 04:15,25-75,LONG GREEN CREEK AT GLEN ARM, MD01583600: Flow=19.2cfs,Stage=2.28ft,Floodstage=9ft,2025-07-20 04:25,25-75,BEAVERDAM RUN AT COCKEYSVILLE, MD01581700: Flow=25.6cfs,Stage=1.46ft,Floodstage=9ft,2025-07-20 04:15,25-75,WINTERS RUN NEAR BENSON, MD01581500: Flow=6.32cfs,Stage=0.63ft,Floodstage=9ft,2025-07-20 04:15,25-75,BYNUM RUN AT BEL AIR, MD01580000: Flow=77.4cfs,Stage=2.26ft,Floodstage=11ft,2025-07-20 04:15,25-75,DEER CREEK AT ROCKS, MD01495000: Flow=45.9cfs,Stage=3.40ft,Floodstage=9ft,2025-07-20 03:45,25-75,BIG ELK CREEK AT ELK MILLS, MD01485500: Flow=10.5cfs,Stage=1.89ft,Floodstage=6.5ft,2025-07-20 04:30,25-75,NASSAWANGO CREEK NEAR SNOW HILL, MD01483200: Flow=1.51cfs,Stage=1.01ft,2025-07-20 04:15,25-75,BLACKBIRD CREEK AT BLACKBIRD, DE01479000: Flow=60.8cfs,Stage=5.28ft,Floodstage=13ft,2025-07-20 04:15,25-75,WHITE CLAY CREEK NEAR NEWARK, DE0158397967: Flow=0.99cfs,Stage=4.17ft,Floodstage=10ft,2025-07-20 04:49,Not ranked,MINEBANK RUN NEAR GLEN ARM, MD0158175320: Flow=0.45cfs,Stage=1.56ft,2025-07-20 04:50,Not ranked,WHEEL CREEK NEAR ABINGDON, MD0148471320: Flow=5.28cfs,Stage=3.92ft,2025-07-20 04:45,Not ranked,BIRCH BRANCH AT SHOWELL, MD03076100: Flow=319cfs,Stage=3.29ft,2025-07-20 03:45,Not ranked,YOUGHIOGHENY RIVER NEAR MCHENRY, MD03075905: Flow=35.2cfs,Stage=2.89ft,2025-07-20 04:35,Not ranked,Cherry Creek at State Park Road near McHenry, MD03075850: Flow=0.82cfs,Stage=2.77ft,2025-07-20 04:15,Not ranked,ARROWHEAD RUN AT THAYERVILLE, MD03075825: Flow=2.00cfs,Stage=2.51ft,2025-07-20 04:50,Not ranked,NORTH GLADE RUN NEAR SWANTON, MD01651800: Flow=1.15cfs,Stage=4.16ft,Floodstage=10ft,2025-07-19 20:38,Not ranked,WATTS BRANCH AT WASHINGTON, DC01651730: Stage=2.78ft,2025-07-20 04:00,Not ranked,Rat,BEAVERDAM CREEK NEAR CHEVERLY, MD01650800: Flow=35.4cfs,Stage=1.45ft,Floodstage=5.5ft,2025-07-20 04:45,Not ranked,SLIGO CREEK NEAR TAKOMA PARK, MD01649500: Flow=5130cfs,Stage=7.75ft,Floodstage=8ft,2025-07-19 20:35,Not ranked,NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD01649190: Flow=1650cfs,Stage=6.70ft,Floodstage=12ft,2025-07-19 20:35,Not ranked,PAINT BRANCH NEAR COLLEGE PARK, MD01649150: Flow=4.58cfs,Stage=1.76ft,Floodstage=13ft,2025-07-20 04:50,Not ranked,PAINT BRANCH TRIBUTARY NEAR COLESVILLE, MD01647850: Flow=28.8cfs,Stage=4.94ft,Floodstage=10ft,2025-07-20 04:45,Not ranked,TURKEY BRANCH NEAR ROCKVILLE, MD01647600: Stage=2.55ft,Floodstage=3.74ft,2025-07-20 04:54,Not ranked,POTOMAC RIVER AT WISCONSIN AVE, WASHINGTON, DC01646305: Flow=1.27cfs,Stage=1.25ft,Floodstage=9ft,2025-07-18 07:05,Not ranked,DEAD RUN AT WHANN AVENUE NEAR MCLEAN, VA01644390: Flow=0.88cfs,Stage=2.29ft,Floodstage=7ft,2025-07-20 04:30,Not ranked,TENMILE CREEK NEAR BOYDS, MD01644388: Flow=0.56cfs,Stage=2.82ft,Floodstage=7ft,2025-07-20 04:00,Not ranked,TENMILE CREEK NEAR CLARKSBURG, MD01644380: Flow=0.45cfs,Stage=4.16ft,2025-07-20 04:00,Not ranked,CABIN BRANCH NEAR BOYDS, MD01644375: Flow=0.66cfs,Stage=0.41ft,2025-07-20 03:55,Not ranked,LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, MD01644372: Flow=0.23cfs,Stage=4.53ft,2025-07-20 03:55,Not ranked,LITTLE SENECA CREEK TRIBUTARY AT BRINK, MD01644371: Flow=0.20cfs,Stage=4.37ft,2025-07-20 04:00,Not ranked,LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MD01644280: Flow=145cfs,Stage=2.78ft,Floodstage=12ft,2025-07-20 04:40,Not ranked,BROAD RUN NEAR LEESBURG, VA01644148: Stage=6.70ft,Floodstage=15ft,2025-07-20 04:15,Not ranked,POTOMAC RIVER AT EDWARDS FERRY NEAR POOLESVILLE,MD01643395: Flow=0.46cfs,Stage=0.37ft,2025-07-20 04:40,Not ranked,SOPER BRANCH AT HYATTSTOWN, MD01642198: Flow=1.10cfs,Stage=2.27ft,2025-03-31 09:30,Not ranked,CARROLL CREEK NEAR FREDERICK, MD01642190: Flow=320cfs,Stage=2.27ft,Floodstage=17.8ft,2025-07-20 04:15,Not ranked,MONOCACY RIVER AT MONOCACY BLVD AT FREDERICK, MD01638420: Flow=13.9cfs,Stage=2.04ft,Floodstage=10ft,2025-07-20 04:15,Not ranked,N F CATOCTIN CREEK AT RT 681 NEAR WATERFORD, VA01638350: Flow=18.3cfs,Stage=1.11ft,Floodstage=8ft,2025-07-20 04:45,Not ranked,S F CATOCTIN CREEK AT RT 698 NEAR WATERFORD, VA01636690: Flow=15.6cfs,Stage=2.00ft,Floodstage=9ft,2025-07-20 04:15,Not ranked,PINEY RUN NEAR LOVETTSVILLE, VA01618100: Flow=11.5cfs,Stage=1.17ft,Floodstage=3.5ft,2025-07-20 04:30,Not ranked,ROCKYMARSH RUN AT SCRABBLE, WV01613525: Flow=145cfs,Stage=2.29ft,Floodstage=10ft,2025-07-20 04:00,Not ranked,LICKING CREEK AT PECTONVILLE, MD01613095: Flow=38.7cfs,Stage=2.05ft,2025-07-20 04:45,Not ranked,TONOLOWAY CREEK NEAR HANCOCK, MD01613020: Stage=43.92ft,2025-07-20 04:45,Not ranked,UNNAMED TRIB TO WARM SPR RUN NR BERKELEY SPR, WV01605002: Stage=20.81ft,2025-07-20 04:30,Not ranked,PAINTER RUN NEAR FORT ASHBY, WV01599000: Stage=2.45ft,2025-07-20 04:45:00,Floodstage=8ft,Not ranked,Rating being developed or revised,GEORGES CREEK AT FRANKLIN, MD01597490: Stage=1458.96ft,2025-07-20 04:00,Not ranked,SAVAGE RIVER RESERVOIR NEAR BLOOMINGTON, MD01595790: Stage=1462.95ft,2025-07-20 04:15,Not ranked,JENNINGS RANDOLPH LAKE NEAR ELK GARDEN, WV01593450: Flow=2.67cfs,Stage=0.82ft,2025-07-20 04:25,Not ranked,L Pax Riv Trib above Lake Elkhorn nr Guilford, MD01593370: Flow=0.64cfs,Stage=2.02ft,2025-07-20 04:27,Not ranked,L PAX RIV TRIB ABOVE WILDE LAKE AT COLUMBIA, MD01589795: Flow=0.12cfs,Stage=3.22ft,2025-07-20 04:55,Not ranked,SOUTH FORK JABEZ BRANCH AT MILLERSVILLE, MD01589352: Flow=224cfs,Stage=3.56ft,Floodstage=13ft,2025-07-20 04:20,Not ranked,GWYNNS FALLS AT WASHINGTON BLVD AT BALTIMORE, MD01589320: Flow=1.01cfs,Stage=2.79ft,Floodstage=10ft,2025-07-19 17:35,Not ranked,DEAD RUN TRIBUTARY AT WOODLAWN, MD01589317: Flow=0.20cfs,Stage=0.52ft,Floodstage=7ft,2025-07-19 17:35,Not ranked,TRIBUTARY TO DEAD RUN TRIBUTARY AT WOODLAWN, MD01589316: Flow=0.33cfs,Stage=0.22ft,Floodstage=8.5ft,2025-07-19 17:35,Not ranked,DEAD RUN TRIBUTARY NEAR WOODLAWN, MD01589315: Flow=0.71cfs,Stage=0.27ft,Floodstage=9ft,2025-07-19 17:35,Not ranked,DEAD RUN AT WOODLAWN, MD01589312: Flow=0.24cfs,Stage=0.36ft,Floodstage=9ft,2025-07-19 17:35,Not ranked,DEAD RUN NEAR CATONSVILLE, MD01589290: Flow=13.9cfs,Stage=1.19ft,Floodstage=7ft,2025-07-20 03:50,Not ranked,SCOTTS LEVEL BRANCH AT ROCKDALE, MD01589230: Flow=18.9cfs,Stage=1.61ft,2025-07-20 04:05,Not ranked,RED RUN NEAR OWINGS MILLS, MD01589197: Flow=4.81cfs,Stage=0.32ft,Floodstage=9.5ft,2025-07-20 04:50,Not ranked,GWYNNS FALLS NEAR DELIGHT, MD01589035: Flow=2270cfs,Stage=10.19ft,Floodstage=15ft,2025-07-20 04:00,Not ranked,PATAPSCO RIVER NEAR ELKRIDGE, MD01589025: Flow=1640cfs,Stage=13.90ft,Floodstage=20ft,2025-07-20 04:30,Not ranked,PATAPSCO RIVER NEAR CATONSVILLE, MD01585500: Flow=2.10cfs,Stage=1.39ft,Floodstage=5ft,2025-07-19 20:30,Not ranked,CRANBERRY BRANCH NEAR WESTMINSTER, MD01585219: Flow=62.4cfs,Stage=4.45ft,2025-07-20 04:50,Not ranked,HERRING RUN AT SINCLAIR LANE AT BALTIMORE, MD01585104: Flow=0.86cfs,Stage=0.55ft,Floodstage=6ft,2025-07-20 04:50,Not ranked,HONEYGO RUN NEAR WHITE MARSH, MD01585090: Flow=1.46cfs,Stage=1.24ft,Floodstage=10ft,2025-07-20 04:50,Not ranked,WHITEMARSH RUN NEAR FULLERTON, MD01585075: Flow=1.19cfs,Stage=1.89ft,2025-07-19 20:35,Not ranked,FOSTER BRANCH NEAR JOPPATOWNE, MD01583800: Flow=1.26cfs,Stage=1.13ft,Floodstage=8.5ft,2025-07-20 04:30,Not ranked,LONG QUARTER BRANCH AT LUTHERVILLE, MD01583580: Flow=0.81cfs,Stage=1.17ft,Floodstage=4ft,2025-07-20 04:20,Not ranked,BAISMAN RUN AT BROADMOOR, MD01583570: Flow=0.047cfs,Stage=1.17ft,2025-07-20 04:40,Not ranked,POND BRANCH AT OREGON RIDGE, MD01581960: Flow=13.6cfs,Stage=0.97ft,Floodstage=5.5ft,2025-07-20 04:15,Not ranked,BEETREE RUN AT BENTLEY SPRINGS, MD01581920: Flow=161cfs,Stage=2.18ft,Floodstage=10ft,2025-07-20 04:00,Not ranked,GUNPOWDER FALLS NEAR PARKTON, MD01581870: Flow=23.8cfs,Stage=0.57ft,Floodstage=7ft,2025-07-20 04:15,Not ranked,GEORGES RUN NEAR BECKLEYSVILLE, MD01581830: Flow=14.9cfs,Stage=-0.18ft,Floodstage=6ft,2025-07-20 04:00,Not ranked,GRAVE RUN NEAR BECKLEYSVILLE, MD01581810: Flow=42.0cfs,Stage=1.55ft,Floodstage=6ft,2025-07-20 04:15,Not ranked,GUNPOWDER FALLS AT HOFFMANVILLE, MD01581752: Flow=2.75cfs,Stage=1.16ft,Floodstage=6ft,2025-07-20 04:25,Not ranked,PLUMTREE RUN NEAR BEL AIR, MD01581750: Flow=29.9cfs,Stage=1.42ft,Floodstage=9ft,2025-07-20 04:45,Not ranked,WINTERS RUN NEAR BEL AIR, MD01581649: Flow=13.7cfs,Stage=3.18ft,Floodstage=9ft,2025-07-20 04:30,Not ranked,JAMES RUN NEAR BELCAMP, MD01580700: Flow=28.6cfs,Stage=3.35ft,Floodstage=14ft,2025-07-20 04:15,Not ranked,SWAN CREEK AT SWAN CREEK, MD01580620: Stage=2.12ft,Floodstage=4ft,2025-07-20 04:00,Not ranked,Ches Bay at Mouth of Susq R at Havre de Grace, MD01580520: Flow=140cfs,Stage=1.63ft,Floodstage=10ft,2025-07-20 04:15,Not ranked,DEER CREEK NEAR DARLINGTON, MD01578475: Flow=159cfs,Stage=3.02ft,2025-07-20 04:45,Not ranked,Octoraro Creek near Richardsmere, MD01493112: Flow=4.54cfs,Stage=1.00ft,2025-07-20 04:00,Not ranked,CHESTERVILLE BRANCH NEAR CRUMPTON, MD01492500: Flow=46.1cfs,Stage=2.30ft,2025-07-20 03:45,Not ranked,SALLIE HARRIS CREEK NEAR CARMICHAEL, MD01491500: Flow=100cfs,Stage=1.35ft,2025-07-20 03:45,Not ranked,TUCKAHOE CREEK NEAR RUTHSBURG, MD01488110: Stage=1.26ft,2025-07-20 04:42,Not ranked,NANTICOKE RIVER AT SHARPTOWN, MD01484701: Stage=0.69ft,Floodstage=2.5ft,2025-07-20 04:36,Not ranked,LITTLE ASSAWOMAN BAY AT FENWICK ISLAND, DE01484696: Stage=0.74ft,Floodstage=2.6ft,2025-07-20 04:36,Not ranked,JEFFERSON CREEK AT SOUTH BETHANY, DE01483155: Flow=2.03cfs,Stage=0.39ft,2025-07-20 04:00,Not ranked,SILVER LAKE TRIBUTARY AT MIDDLETOWN, DE01478650: Flow=43.6cfs,Stage=5.61ft,Floodstage=11.5ft,2025-07-20 04:15,Not ranked,WHITE CLAY CREEK AT NEWARK, DE01478245: Flow=49.2cfs,Stage=3.21ft,Floodstage=9.5ft,2025-07-20 04:30,Not ranked,White Clay Creek near Strickersville, PAGo to WaterWatch (offsite) for a larger map with additional options
Explanation
[color code for] High
[color code for] > 90th percentile
[color code for] 76th - 90th percentile
[color code for] 25th - 75th percentile
[color code for] 10th - 24th percentile
[color code for] < 10th percentile
[color code for] Low
[color code for] Not ranked
The colored dots on this map depict streamflow conditions as a percentile, which is computed from the period of record for the current day of the year. Only stations with at least 30 years of record are used.
The gray circles indicate other stations that were not ranked in percentiles either because they have fewer than 30 years of record or because they report parameters other than streamflow. Some stations, for example, measure stage only.

Statewide Streamflow Real-Time Table


Statewide Groundwater Real-Time Table


Statewide Water-Quality Real-Time Table


Statewide Precipitation Real-Time Table


Real-time data typically are recorded at 1-30 minute intervals, stored onsite, and then transmitted to USGS offices every 15 to 60 minutes, depending on the data relay technique used. Recording and transmission times may be more frequent during critical events. Data from real-time sites are relayed to USGS offices via satellite, telephone, and/or radio and are available for viewing within minutes of arrival. All real-time data are provisional and subject to revision.
Build Real-Time Table Show a custom real-time summary table for one or more stations.
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