Maryland Stream Gauges
This page includes every indexed gauge in Maryland. Use it as a crawlable hub for the state, then open any gauge to see current flow, gauge height, water temperature, and weather before you go.
The sections below are alphabetical, not curated. Nothing is hidden behind a featured subset.
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3 indexed gauges whose names begin with A.
- ANTIETAM CREEK NEAR SHARPSBURG, MDUSGS 01619500 · 39.4498, -77.7302
- ANTIETAM CREEK NEAR WAYNESBORO, PAUSGS 01619000 · 39.7163, -77.6066
- ARROWHEAD RUN AT THAYERVILLE, MDUSGS 03075850 · 39.5027, -79.3272
B
14 indexed gauges whose names begin with B.
- BACK RIVER TRIBUTARY AT ROCKY POINT PARK, MDUSGS 0158540095 · 39.2504, -76.4042
- BAISMAN RUN AT BROADMOOR, MDUSGS 01583580 · 39.4795, -76.6780
- BEAR CREEK AT FRIENDSVILLE, MDUSGS 03076600 · 39.6561, -79.3941
- BEAVER RUN NEAR FINKSBURG, MDUSGS 01586210 · 39.4894, -76.9029
- BEAVERDAM CREEK NEAR CHEVERLY, MDUSGS 01651730 · 38.9163, -76.9343
- BEAVERDAM RUN AT COCKEYSVILLE, MDUSGS 01583600 · 39.4856, -76.6457
- BEETREE RUN AT BENTLEY SPRINGS, MDUSGS 01581960 · 39.6730, -76.6750
- BENNETT CREEK AT PARK MILLS, MDUSGS 01643500 · 39.2941, -77.4071
- BIG ELK CREEK AT ELK MILLS, MDUSGS 01495000 · 39.6676, -75.8256
- BIG PIPE CREEK AT BRUCEVILLE, MDUSGS 01639500 · 39.6124, -77.2374
- BIRCH BRANCH AT SHOWELL, MDUSGS 0148471320 · 38.4093, -75.2124
- BUNTINGS GUT NEAR CEDARTOWN, MDUSGS 0148472405 · 38.1390, -75.1836
- BYNUM RUN AT BEL AIR, MDUSGS 01581500 · 39.5415, -76.3301
- BYNUM RUN NEAR ABINGDON, MDUSGS 01581590 · 39.4799, -76.2805
C
11 indexed gauges whose names begin with C.
- CABIN BRANCH NEAR BOYDS, MDUSGS 01644380 · 39.2066, -77.2886
- CASSELMAN RIVER AT GRANTSVILLE, MDUSGS 03078000 · 39.7022, -79.1364
- CATOCTIN CREEK NEAR MIDDLETOWN, MDUSGS 01637500 · 39.4273, -77.5562
- CATTAIL CREEK NEAR GLENWOOD, MDUSGS 01591400 · 39.2560, -77.0511
- Cherry Creek at State Park Road near McHenry, MDUSGS 03075905 · 39.5380, -79.3158
- Ches Bay at Mouth of Susq R at Havre de Grace, MDUSGS 01580620 · 39.5378, -76.0896
- CHESTERVILLE BRANCH NEAR CRUMPTON, MDUSGS 01493112 · 39.2571, -75.9401
- CHICAMACOMICO RIVER NEAR SALEM, MDUSGS 01490000 · 38.5117, -75.8799
- CHOPTANK RIVER NEAR GREENSBORO, MDUSGS 01491000 · 38.9972, -75.7858
- CONOCOCHEAGUE CREEK AT FAIRVIEW, MDUSGS 01614500 · 39.7164, -77.8248
- CRANBERRY BRANCH NEAR WESTMINSTER, MDUSGS 01585500 · 39.5927, -76.9682
D
9 indexed gauges whose names begin with D.
- DEAD RUN AT FRANKLINTOWN, MDUSGS 01589330 · 39.3112, -76.7166
- DEAD RUN AT WOODLAWN, MDUSGS 01589315 · 39.3132, -76.7321
- DEAD RUN NEAR CATONSVILLE, MDUSGS 01589312 · 39.2959, -76.7441
- DEAD RUN TRIBUTARY AT WOODLAWN, MDUSGS 01589320 · 39.3181, -76.7358
- DEAD RUN TRIBUTARY NEAR WOODLAWN, MDUSGS 01589316 · 39.3189, -76.7507
- DEER CREEK AT EDEN MILL DAM NEAR PYLESVILLE, MDUSGS 01579905 · 39.6751, -76.4529
- DEER CREEK AT ROCKS, MDUSGS 01580000 · 39.6300, -76.4033
- DEER CREEK NEAR DARLINGTON, MDUSGS 01580520 · 39.6174, -76.1919
- DUNDEE CREEK TRIBUTARY AT CHASE, MDUSGS 01585149 · 39.3521, -76.3595
E
2 indexed gauges whose names begin with E.
- EAST BRANCH HERBERT RUN AT ARBUTUS, MDUSGS 01589100 · 39.2403, -76.6921
- EASTERN BAY AT CLAIBORNE, MDUSGS 01492600 · 38.8370, -76.2806
F
2 indexed gauges whose names begin with F.
- Fishing Creek at Mountaindale, MDUSGS 01641501 · 39.5254, -77.4620
- FOSTER BRANCH NEAR JOPPATOWNE, MDUSGS 01585075 · 39.4085, -76.3426
G
9 indexed gauges whose names begin with G.
- GEORGES CREEK AT FRANKLIN, MDUSGS 01599000 · 39.5009, -79.0488
- GEORGES RUN NEAR BECKLEYSVILLE, MDUSGS 01581870 · 39.6257, -76.7726
- GRAVE RUN NEAR BECKLEYSVILLE, MDUSGS 01581830 · 39.6548, -76.7809
- GUNPOWDER FALLS AT GLENCOE, MDUSGS 01582500 · 39.5497, -76.6361
- GUNPOWDER FALLS AT HOFFMANVILLE, MDUSGS 01581810 · 39.6898, -76.7815
- GUNPOWDER FALLS NEAR PARKTON, MDUSGS 01581920 · 39.6191, -76.6904
- GWYNNS FALLS AT VILLA NOVA, MDUSGS 01589300 · 39.3459, -76.7332
- GWYNNS FALLS AT WASHINGTON BLVD AT BALTIMORE, MDUSGS 01589352 · 39.2721, -76.6501
- GWYNNS FALLS NEAR DELIGHT, MDUSGS 01589197 · 39.4429, -76.7834
H
3 indexed gauges whose names begin with H.
- HAWLINGS RIVER NEAR SANDY SPRING, MDUSGS 01591700 · 39.1745, -77.0214
- HERRING RUN AT SINCLAIR LANE AT BALTIMORE, MDUSGS 01585219 · 39.3180, -76.5551
- HONEYGO RUN NEAR WHITE MARSH, MDUSGS 01585104 · 39.3830, -76.4330
J
2 indexed gauges whose names begin with J.
- JAMES RUN NEAR BELCAMP, MDUSGS 01581649 · 39.4922, -76.2591
- JONES FALLS AT SORRENTO, MDUSGS 01589440 · 39.3957, -76.6629
L
13 indexed gauges whose names begin with L.
- L Pax Riv Trib above Lake Elkhorn nr Guilford, MDUSGS 01593450 · 39.1879, -76.8307
- L PAX RIV TRIB ABOVE WILDE LAKE AT COLUMBIA, MDUSGS 01593370 · 39.2258, -76.8701
- LICKING CREEK AT PECTONVILLE, MDUSGS 01613525 · 39.6763, -78.0425
- LINGANORE CREEK AT LINGANORE RD NEAR FREDERICK, MDUSGS 01642600 · 39.4095, -77.3602
- LITTLE FALLS AT BLUE MOUNT, MDUSGS 01582000 · 39.6043, -76.6205
- LITTLE GUNPOWDER FALLS AT LAUREL BROOK, MDUSGS 01584500 · 39.5054, -76.4318
- LITTLE PATUXENT RIVER AT GUILFORD, MDUSGS 01593500 · 39.1677, -76.8512
- LITTLE PATUXENT RIVER AT SAVAGE, MDUSGS 01594000 · 39.1344, -76.8162
- LITTLE SENECA CREEK TRIBUTARY AT BRINK, MDUSGS 01644372 · 39.2227, -77.2494
- LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MDUSGS 01644371 · 39.2315, -77.2557
- LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, MDUSGS 01644375 · 39.1994, -77.2754
- LONG GREEN CREEK AT GLEN ARM, MDUSGS 01584050 · 39.4547, -76.4789
- LONG QUARTER BRANCH AT LUTHERVILLE, MDUSGS 01583800 · 39.4256, -76.5962
M
13 indexed gauges whose names begin with M.
- MANOKIN BRANCH NEAR PRINCESS ANNE, MDUSGS 01486000 · 38.2139, -75.6714
- MARSH RUN AT GRIMES, MDUSGS 01617800 · 39.5146, -77.7772
- MATTAWOMAN CREEK NEAR POMONKEY, MDUSGS 01658000 · 38.5961, -77.0560
- MCINTOSH RUN NEAR LEONARDTOWN, MDUSGS 01661350 · 38.3041, -76.6566
- MEETINGHOUSE BRANCH AT CAMP SPRINGS, MDUSGS 01653620 · 38.7984, -76.9022
- MINEBANK RUN NEAR GLEN ARM, MDUSGS 0158397967 · 39.4096, -76.5572
- MONOCACY RIVER AT BRIDGEPORT, MDUSGS 01639000 · 39.6791, -77.2345
- MONOCACY RIVER AT JUG BRIDGE NEAR FREDERICK, MDUSGS 01643000 · 39.4028, -77.3661
- MONOCACY RIVER AT MONOCACY BLVD AT FREDERICK, MDUSGS 01642190 · 39.4436, -77.3823
- MONOCACY RIVER NEAR DICKERSON, MDUSGS 01643580 · 39.2634, -77.4357
- MOORES RUN AT RADECKE AVE AT BALTIMORE, MDUSGS 01585230 · 39.3301, -76.5349
- MORGAN CREEK NEAR KENNEDYVILLE, MDUSGS 01493500 · 39.2800, -76.0146
- MORGAN RUN NEAR LOUISVILLE, MDUSGS 01586610 · 39.4519, -76.9553
N
10 indexed gauges whose names begin with N.
- NASSAWANGO CREEK NEAR SNOW HILL, MDUSGS 01485500 · 38.2289, -75.4714
- NORTH BRANCH PATAPSCO RIVER AT CEDARHURST, MDUSGS 01586000 · 39.5030, -76.8844
- NORTH BRANCH POTOMAC RIVER AT KITZMILLER, MDUSGS 01595500 · 39.3939, -79.1817
- NORTH BRANCH POTOMAC RIVER AT LUKE, MDUSGS 01598500 · 39.4790, -79.0638
- NORTH BRANCH POTOMAC RIVER AT STEYER, MDUSGS 01595000 · 39.3019, -79.3069
- NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND, MDUSGS 01603000 · 39.6218, -78.7734
- NORTH GLADE RUN NEAR SWANTON, MDUSGS 03075825 · 39.5071, -79.2517
- NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MDUSGS 01649500 · 38.9603, -76.9260
- NORTHWEST BRANCH ANACOSTIA RIVER AT BRENTWOOD, MDUSGS 01651003 · 38.9490, -76.9562
- Northwest Branch Anacostia River nr Colesville, MDUSGS 01650500 · 39.0655, -77.0294
O
1 indexed gauges whose names begin with O.
- Octoraro Creek near Richardsmere, MDUSGS 01578475 · 39.7068, -76.1152
P
24 indexed gauges whose names begin with P.
- PAINT BRANCH NEAR COLLEGE PARK, MDUSGS 01649190 · 39.0334, -76.9640
- PAINT BRANCH TRIBUTARY NEAR COLESVILLE, MDUSGS 01649150 · 39.0884, -76.9896
- PATAPSCO RIVER AT HOLLOFIELD, MDUSGS 01589000 · 39.3103, -76.7924
- PATAPSCO RIVER NEAR CATONSVILLE, MDUSGS 01589025 · 39.2512, -76.7638
- PATAPSCO RIVER NEAR ELKRIDGE, MDUSGS 01589035 · 39.2273, -76.7230
- Patuxent R at Gov Bridge Natural Area nr Bowie MDUSGS 01594441 · 38.9468, -76.6949
- Patuxent River below Brighton Dam near Brighton MDUSGS 01591610 · 39.1922, -77.0044
- PATUXENT RIVER NEAR BOWIE, MDUSGS 01594440 · 38.9559, -76.6937
- Patuxent River near Laurel, MDUSGS 01592500 · 39.1157, -76.8738
- PATUXENT RIVER NEAR UNITY, MDUSGS 01591000 · 39.2383, -77.0557
- PINEY RUN AT DOVER, MDUSGS 01583100 · 39.5206, -76.7669
- PISCATAWAY CREEK AT PISCATAWAY, MDUSGS 01653600 · 38.7058, -76.9662
- PISCATAWAY CREEK AT WOODYARD, MDUSGS 01653560 · 38.7853, -76.8431
- PISCATAWAY CREEK TRIB AT JOINT BASE ANDREWS, MDUSGS 01653522 · 38.7926, -76.8614
- PLUMTREE RUN NEAR BEL AIR, MDUSGS 01581752 · 39.4963, -76.3474
- POCOMOKE RIVER NEAR WILLARDS, MDUSGS 01485000 · 38.3889, -75.3244
- POND BRANCH AT OREGON RIDGE, MDUSGS 01583570 · 39.4803, -76.6875
- POTOMAC RIVER AT BURKITTSVILLE RD AT BRUNSWICK, MDUSGS 01636765 · 39.3089, -77.6310
- POTOMAC RIVER AT EDWARDS FERRY NEAR POOLESVILLE,MDUSGS 01644148 · 39.0986, -77.4712
- POTOMAC RIVER AT HANCOCK, MDUSGS 01613000 · 39.6976, -78.1779
- POTOMAC RIVER AT HARPERS FERRY, WVUSGS 01620000 · 39.3237, -77.7282
- POTOMAC RIVER AT PAW PAW, WVUSGS 01610000 · 39.5389, -78.4556
- POTOMAC RIVER AT POINT OF ROCKS, MDUSGS 01638500 · 39.2736, -77.5431
- POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STAUSGS 01646500 · 38.9498, -77.1276
R
1 indexed gauges whose names begin with R.
- RED RUN NEAR OWINGS MILLS, MDUSGS 01589230 · 39.4046, -76.7796
S
17 indexed gauges whose names begin with S.
- SALLIE HARRIS CREEK NEAR CARMICHAEL, MDUSGS 01492500 · 38.9649, -76.1088
- SAMS CREEK AT MCKINSTRYS MILL, MDUSGS 01640152 · 39.5331, -77.1589
- SAVAGE RIV BL SAVAGE RIV DAM NEAR BLOOMINGTON, MDUSGS 01597500 · 39.5027, -79.1240
- SAVAGE RIVER NEAR BARTON, MDUSGS 01596500 · 39.5701, -79.1019
- SAWMILL CREEK AT GLEN BURNIE, MDUSGS 01589500 · 39.1700, -76.6306
- SCOTTS LEVEL BRANCH AT ROCKDALE, MDUSGS 01589290 · 39.3616, -76.7618
- SENECA CREEK AT DAWSONVILLE, MDUSGS 01645000 · 39.1281, -77.3358
- SIDELING HILL CREEK NEAR BELLEGROVE, MDUSGS 01610155 · 39.6495, -78.3441
- SLIGO CREEK NEAR TAKOMA PARK, MDUSGS 01650800 · 38.9862, -77.0049
- SOPER BRANCH AT HYATTSTOWN, MDUSGS 01643395 · 39.2753, -77.3037
- SOUTH FORK JABEZ BRANCH AT MILLERSVILLE, MDUSGS 01589795 · 39.0682, -76.6515
- St Clements Creek near Clements, MDUSGS 01661050 · 38.3333, -76.7250
- St George Creek at Piney Point, MDUSGS 01661510 · 38.1379, -76.5003
- St Marys River at Great Mills, MDUSGS 01661500 · 38.2418, -76.5037
- SUSQUEHANNA RIVER AT CONOWINGO, MDUSGS 01578310 · 39.6579, -76.1744
- SUSQUEHANNA RIVER NEAR DARLINGTON, MDUSGS 01579550 · 39.6261, -76.1577
- SWAN CREEK AT SWAN CREEK, MDUSGS 01580700 · 39.5226, -76.1423
T
7 indexed gauges whose names begin with T.
- TENMILE CREEK NEAR BOYDS, MDUSGS 01644390 · 39.2160, -77.3164
- TENMILE CREEK NEAR CLARKSBURG, MDUSGS 01644388 · 39.2234, -77.3123
- TONOLOWAY CREEK NEAR HANCOCK, MDUSGS 01613095 · 39.7064, -78.1527
- TOWN CREEK NEAR OLDTOWN, MDUSGS 01609000 · 39.5532, -78.5550
- TRIBUTARY TO DEAD RUN TRIBUTARY AT WOODLAWN, MDUSGS 01589317 · 39.3270, -76.7451
- TUCKAHOE CREEK NEAR RUTHSBURG, MDUSGS 01491500 · 38.9668, -75.9431
- TURKEY BRANCH NEAR ROCKVILLE, MDUSGS 01647850 · 39.0685, -77.0817
U
2 indexed gauges whose names begin with U.
- UNICORN BRANCH NEAR MILLINGTON, MDUSGS 01493000 · 39.2499, -75.8615
- Unnamed Ditch on Wilson Pt Rd at Middle River, MDUSGS 01585175 · 39.3323, -76.4278
W
9 indexed gauges whose names begin with W.
- WEST BRANCH HERRING RUN AT IDLEWYLDE, MDUSGS 01585200 · 39.3736, -76.5843
- WESTERN BRANCH AT UPPER MARLBORO, MDUSGS 01594526 · 38.8142, -76.7487
- WESTERN RUN AT WESTERN RUN, MDUSGS 01583500 · 39.5108, -76.6765
- WHEEL CREEK NEAR ABINGDON, MDUSGS 0158175320 · 39.4814, -76.3404
- WHITEMARSH RUN AT WHITE MARSH, MDUSGS 01585100 · 39.3708, -76.4461
- WHITEMARSH RUN NEAR FULLERTON, MDUSGS 01585090 · 39.3794, -76.4952
- WILLS CREEK NEAR CUMBERLAND, MDUSGS 01601500 · 39.6696, -78.7880
- WINTERS RUN NEAR BEL AIR, MDUSGS 01581750 · 39.5155, -76.3688
- WINTERS RUN NEAR BENSON, MDUSGS 01581700 · 39.5199, -76.3730
Y
4 indexed gauges whose names begin with Y.
- YOUGHIOGHENY RIVER AT FRIENDSVILLE, MDUSGS 03076500 · 39.6536, -79.4083
- YOUGHIOGHENY RIVER NEAR MCHENRY, MDUSGS 03076100 · 39.5258, -79.4107
- YOUGHIOGHENY RIVER NEAR OAKLAND, MDUSGS 03075500 · 39.4216, -79.4236
- YOUGHIOGHENY RIVER NEAR SWALLOW FALLS PARK, MDUSGS 03075590 · 39.4926, -79.4120
Z
1 indexed gauges whose names begin with Z.
- ZEKIAH SWAMP RUN NEAR NEWTOWN, MDUSGS 01660920 · 38.4906, -76.9271
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.