Maryland Station Directory

Active Monitoring Locations

Real-time hydrological observation sites grouped by region, with ongoing streamflow, stage height, and temperature metrics.

Total Gauges
229
Offline / Stale
77

Allegany County

8 stations

Anne Arundel County

8 stations

Baltimore City County

8 stations

Baltimore County

44 stations
ID: 01583580

Baisman Run At Broadmoor, MD

Latitude 39°28'46" N, Longitude 76°40'41" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.06 ft
Status Nominal
ID: 01583600

Beaverdam Run At Cockeysville, MD

Latitude 39°29'8" N, Longitude 76°38'45" W

Streamflow Gauge Height
Flow Rate 6 ft³/s
Stage Height 1.98 ft
Status Nominal
ID: 01581960

Beetree Run At Bentley Springs, MD

Latitude 39°40'23" N, Longitude 76°40'30" W

Streamflow Gauge Height
Flow Rate 4 ft³/s
Stage Height 0.59 ft
Status Nominal
ID: 01585400

Brien Run At Stemmers Run, MD

Latitude 39°20'1" N, Longitude 76°28'22" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01589330

Dead Run At Franklintown, MD

Latitude 39°18'40" N, Longitude 76°43'0" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.37 ft
Status Nominal
ID: 01589315

Dead Run At Woodlawn, MD

Latitude 39°18'48" N, Longitude 76°43'56" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 0.29 ft
Status Nominal
ID: 01589312

Dead Run Near Catonsville, MD

Latitude 39°17'45" N, Longitude 76°44'39" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.33 ft
Status Nominal
ID: 01589320

Dead Run Tributary At Woodlawn, MD

Latitude 39°19'5" N, Longitude 76°44'9" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 2.76 ft
Status Nominal
ID: 01589316

Dead Run Tributary Near Woodlawn, MD

Latitude 39°19'8" N, Longitude 76°45'2" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.14 ft
Status Nominal
ID: 01589100

East Branch Herbert Run At Arbutus, MD

Latitude 39°14'25" N, Longitude 76°41'31" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.85 ft
Status Nominal
ID: 01581870

Georges Run Near Beckleysville, MD

Latitude 39°37'32" N, Longitude 76°46'21" W

Streamflow Gauge Height
Flow Rate 4 ft³/s
Stage Height 0.14 ft
Status Nominal
ID: 01581830

Grave Run Near Beckleysville, MD

Latitude 39°39'17" N, Longitude 76°46'51" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height -0.68 ft
Status Nominal
ID: 01582500

Gunpowder Falls At Glencoe, MD

Latitude 39°32'59" N, Longitude 76°38'10" W

Streamflow Gauge Height
Flow Rate 184 ft³/s
Stage Height 1.56 ft
Status Nominal
ID: 01581810

Gunpowder Falls At Hoffmanville, MD

Latitude 39°41'23" N, Longitude 76°46'53" W

Streamflow Gauge Height
Flow Rate 7 ft³/s
Stage Height 0.99 ft
Status Nominal
ID: 01581920

Gunpowder Falls Near Parkton, MD

Latitude 39°37'9" N, Longitude 76°41'25" W

Streamflow Gauge Height Quality
Flow Rate 163 ft³/s
Stage Height 2.21 ft
Status Nominal
ID: 01589180

Gwynns Falls At Glyndon, MD

Latitude 39°28'18" N, Longitude 76°49'1" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.90 ft
Status Offline
ID: 01589300

Gwynns Falls At Villa Nova, MD

Latitude 39°20'45" N, Longitude 76°43'59" W

Streamflow Gauge Height
Flow Rate 8 ft³/s
Stage Height 0.76 ft
Status Nominal
ID: 01589197

Gwynns Falls Near Delight, MD

Latitude 39°26'35" N, Longitude 76°47'0" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 0.17 ft
Status Nominal
ID: 01589238

Gwynns Falls Tributary At Mcdonogh, MD

Latitude 39°24'2" N, Longitude 76°46'14" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.15 ft
Status Offline
ID: 01585105

Honeygo Run At White Marsh, MD

Latitude 39°22'41" N, Longitude 76°25'45" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01585104

Honeygo Run Near White Marsh, MD

Latitude 39°22'59" N, Longitude 76°25'59" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.52 ft
Status Nominal
ID: 01589440

Jones Falls At Sorrento, MD

Latitude 39°23'45" N, Longitude 76°39'46" W

Streamflow Gauge Height
Flow Rate 8 ft³/s
Stage Height 7.76 ft
Status Nominal
ID: 01582000

Little Falls At Blue Mount, MD

Latitude 39°36'15" N, Longitude 76°37'14" W

Streamflow Gauge Height
Flow Rate 17 ft³/s
Stage Height -0.02 ft
Status Nominal
ID: 01584500

Little Gunpowder Falls At Laurel Brook, MD

Latitude 39°30'19" N, Longitude 76°25'54" W

Streamflow Gauge Height
Flow Rate 14 ft³/s
Stage Height 1.02 ft
Status Nominal
ID: 01584050

Long Green Creek At Glen Arm, MD

Latitude 39°27'17" N, Longitude 76°28'44" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 0.90 ft
Status Nominal
ID: 01583800

Long Quarter Branch At Lutherville, MD

Latitude 39°25'32" N, Longitude 76°35'46" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 1.07 ft
Status Nominal
ID: 01583980

Minebank Run At Loch Raven, MD

Latitude 39°25'0" N, Longitude 76°32'47" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 0158397967

Minebank Run Near Glen Arm, MD

Latitude 39°24'35" N, Longitude 76°33'26" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 4.07 ft
Status Nominal
ID: 01581940

Mingo Branch Near Hereford, MD

Latitude 39°36'40" N, Longitude 76°40'31" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01585095

North Fork Whitemarsh Run Near White Marsh, MD

Latitude 39°23'9" N, Longitude 76°28'8" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 01589000

Patapsco River At Hollofield, MD

Latitude 39°18'37" N, Longitude 76°47'33" W

Streamflow Gauge Height
Flow Rate 51 ft³/s
Stage Height 1.47 ft
Status Nominal
ID: 01589025

Patapsco River Near Catonsville, MD

Latitude 39°15'4" N, Longitude 76°45'50" W

Streamflow Gauge Height
Flow Rate 48 ft³/s
Stage Height 10.31 ft
Status Nominal
ID: 01583100

Piney Run At Dover, MD

Latitude 39°31'14" N, Longitude 76°46'1" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 1.37 ft
Status Nominal
ID: 01583570

Pond Branch At Oregon Ridge, MD

Latitude 39°28'49" N, Longitude 76°41'15" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.07 ft
Status Nominal
ID: 01589305

Powder Mill Run Near Lochearn, MD

Latitude 39°20'6" N, Longitude 76°42'39" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 2.45 ft
Status Offline
ID: 01589230

Red Run Near Owings Mills, MD

Latitude 39°24'17" N, Longitude 76°46'47" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 1.01 ft
Status Nominal
ID: 01589290

Scotts Level Branch At Rockdale, MD

Latitude 39°21'42" N, Longitude 76°45'42" W

Streamflow Gauge Height Quality
Flow Rate 1 ft³/s
Stage Height 0.65 ft
Status Nominal
ID: 01583000

Slade Run Near Glyndon, MD

Latitude 39°29'43" N, Longitude 76°47'41" W

Streamflow
Flow Rate 3 ft³/s
Status Offline
ID: 01589317

Tributary To Dead Run Tributary At Woodlawn, MD

Latitude 39°19'37" N, Longitude 76°44'43" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.54 ft
Status Nominal
ID: 01585200

West Branch Herring Run At Idlewylde, MD

Latitude 39°22'25" N, Longitude 76°35'4" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.89 ft
Status Nominal
ID: 01583500

Western Run At Western Run, MD

Latitude 39°30'39" N, Longitude 76°40'35" W

Streamflow Gauge Height
Flow Rate 15 ft³/s
Stage Height 0.78 ft
Status Nominal
ID: 01585100

Whitemarsh Run At White Marsh, MD

Latitude 39°22'15" N, Longitude 76°26'46" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 3.33 ft
Status Nominal
ID: 01585090

Whitemarsh Run Near Fullerton, MD

Latitude 39°22'46" N, Longitude 76°29'43" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 1.07 ft
Status Nominal
ID: 01585107

Windlass Run Near White Marsh, MD

Latitude 39°21'58" N, Longitude 76°24'49" W

Streamflow
Flow Rate 0 ft³/s
Status Offline

Calvert County

2 stations

Caroline County

2 stations

Carroll County

7 stations

Cecil County

3 stations

Charles County

3 stations

Dorchester County

3 stations

Frederick County

26 stations
ID: 01640980

Bear Branch Near Thurmont, MD

Latitude 39°37'15" N, Longitude 77°26'23" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 01643500

Bennett Creek At Park Mills, MD

Latitude 39°17'39" N, Longitude 77°24'25" W

Streamflow Gauge Height
Flow Rate 15 ft³/s
Stage Height 1.48 ft
Status Nominal
ID: 01643495

Bennett Creek Tributary At Park Mills, MD

Latitude 39°17'21" N, Longitude 77°23'45" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 01640975

Big Hunting Creek Near Thurmont, MD

Latitude 39°37'48" N, Longitude 77°27'19" W

Quality
Water Temp
Status Offline
ID: 01642199

Carroll Creek Above Rock Creek At Frederick, MD

Latitude 39°25'28" N, Longitude 77°25'47" W

Streamflow Gauge Height Quality
Flow Rate 5 ft³/s
Stage Height 2.17 ft
Status Offline
ID: 01642198

Carroll Creek Near Frederick, MD

Latitude 39°26'10" N, Longitude 77°26'26" W

Streamflow Gauge Height Quality
Flow Rate 1 ft³/s
Stage Height 2.27 ft
Status Offline
ID: 01637500

Catoctin Creek Near Middletown, MD

Latitude 39°25'38" N, Longitude 77°33'22" W

Streamflow Gauge Height
Flow Rate 6 ft³/s
Stage Height 1.52 ft
Status Nominal
ID: 01641501

Fishing Creek At Mountaindale, MD

Latitude 39°31'32" N, Longitude 77°27'43" W

Gauge Height
Stage Height 0.56 ft
Status Nominal
ID: 01641500

Fishing Creek Near Lewistown, MD

Latitude 39°31'38" N, Longitude 77°28'1" W

Streamflow
Flow Rate 3 ft³/s
Status Offline
ID: 01641510

Fishing Creek Tributary Near Lewistown, MD

Latitude 39°32'9" N, Longitude 77°26'47" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 392552077262201

Fr Dd 178

Latitude 39°25'52" N, Longitude 77°26'21" W

Quality
Water Temp
Status Offline
ID: 392556077263301

Fr Dd 213

Latitude 39°25'56" N, Longitude 77°26'33" W

Quality
Water Temp
Status Offline
ID: 392605077262801

Fr Dd 245

Latitude 39°26'5" N, Longitude 77°26'28" W

Quality
Water Temp
Status Offline
ID: 01641000

Hunting Creek At Jimtown, MD

Latitude 39°35'37" N, Longitude 77°23'47" W

Streamflow
Flow Rate 25 ft³/s
Status Offline
ID: 01640965

Hunting Creek Near Foxville, MD

Latitude 39°37'10" N, Longitude 77°27'59" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 01640970

Hunting Creek Tributary Near Foxville, MD

Latitude 39°37'42" N, Longitude 77°27'43" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01642600

Linganore Creek At Linganore Rd Near Frederick, MD

Latitude 39°24'34" N, Longitude 77°21'37" W

Streamflow Gauge Height
Flow Rate 26 ft³/s
Stage Height 1.31 ft
Status Nominal
ID: 01642438

Linganore Creek Near Libertytown, MD

Latitude 39°26'28" N, Longitude 77°16'11" W

Streamflow
Flow Rate 477 ft³/s
Status Offline
ID: 01636846

Little Catoctin Creek At Rosemont, MD

Latitude 39°20'15" N, Longitude 77°37'35" W

Streamflow Gauge Height Quality
Flow Rate 3 ft³/s
Stage Height 1.45 ft
Status Offline
ID: 01636845

Little Catoctin Creek Near Rosemont, MD

Latitude 39°20'29" N, Longitude 77°38'3" W

Streamflow Gauge Height Quality
Flow Rate 2 ft³/s
Stage Height 2.58 ft
Status Offline
ID: 01639000

Monocacy River At Bridgeport, MD

Latitude 39°40'45" N, Longitude 77°14'4" W

Streamflow Gauge Height
Flow Rate 14 ft³/s
Stage Height 2.23 ft
Status Nominal
ID: 01643000

Monocacy River At Jug Bridge Near Frederick, MD

Latitude 39°24'10" N, Longitude 77°21'58" W

Streamflow Gauge Height
Flow Rate 173 ft³/s
Stage Height 1.68 ft
Status Nominal
ID: 01642190

Monocacy River At Monocacy Blvd At Frederick, MD

Latitude 39°26'37" N, Longitude 77°22'56" W

Streamflow Gauge Height
Flow Rate 134 ft³/s
Stage Height 1.76 ft
Status Nominal
ID: 01643580

Monocacy River Near Dickerson, MD

Latitude 39°15'48" N, Longitude 77°26'9" W

Streamflow Gauge Height Quality
Flow Rate 227 ft³/s
Stage Height 1.68 ft
Status Nominal
ID: 01636765

Potomac River At Burkittsville Rd At Brunswick, MD

Latitude 39°18'32" N, Longitude 77°37'52" W

Gauge Height
Stage Height 2.31 ft
Status Nominal
ID: 01638500

Potomac River At Point Of Rocks, MD

Latitude 39°16'25" N, Longitude 77°32'35" W

Streamflow Gauge Height Quality
Flow Rate 1,780 ft³/s
Stage Height 1.13 ft
Status Nominal

Garrett County

25 stations
ID: 03075850

Arrowhead Run At Thayerville, MD

Latitude 39°30'10" N, Longitude 79°19'38" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 2.63 ft
Status Nominal
ID: 03076600

Bear Creek At Friendsville, MD

Latitude 39°39'22" N, Longitude 79°23'39" W

Streamflow Gauge Height
Flow Rate 17 ft³/s
Stage Height 1.16 ft
Status Nominal
ID: 03076700

Buffalo Run Near Friendsville, MD

Latitude 39°41'20" N, Longitude 79°25'17" W

Streamflow Gauge Height
Flow Rate 6 ft³/s
Stage Height 3.31 ft
Status Offline
ID: 03078000

Casselman River At Grantsville, MD

Latitude 39°42'8" N, Longitude 79°8'11" W

Streamflow Gauge Height
Flow Rate 17 ft³/s
Stage Height 0.84 ft
Status Nominal
ID: 03075905

Cherry Creek At State Park Road Near Mc Henry, MD

Latitude 39°32'17" N, Longitude 79°18'57" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 2.26 ft
Status Nominal
ID: 01597000

Crabtree Creek Near Swanton, MD

Latitude 39°30'5" N, Longitude 79°9'31" W

Streamflow Gauge Height
Flow Rate 12 ft³/s
Stage Height 0.86 ft
Status Offline
ID: 03075871

Deep Creek Lake Near Thayerville, MD

Latitude 39°30'40" N, Longitude 79°17'54" W

Gauge Height Quality
Stage Height 2460.52 ft
Water Temp
Status Nominal
ID: 01595790

Jennings Randolph Lake Near Elk Garden, WV

Latitude 39°25'45" N, Longitude 79°7'34" W

Gauge Height
Stage Height 1460.30 ft
Status Nominal
ID: 01594930

Laurel Run At Dobbin Rd Near Wilson, MD

Latitude 39°14'37" N, Longitude 79°25'42" W

Streamflow
Flow Rate 7 ft³/s
Status Offline
ID: 01594950

Mcmillan F Near Fort Pendleton, MD

Latitude 39°16'36" N, Longitude 79°23'25" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.37 ft
Status Offline
ID: 03076800

Mill Run At Mineral Spring, MD

Latitude 39°42'32" N, Longitude 79°21'52" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 2.18 ft
Status Offline
ID: 01595500

North Branch Potomac River At Kitzmiller, MD

Latitude 39°23'38" N, Longitude 79°10'54" W

Streamflow Gauge Height
Flow Rate 92 ft³/s
Stage Height 2.08 ft
Status Nominal
ID: 01595000

North Branch Potomac River At Steyer, MD

Latitude 39°18'7" N, Longitude 79°18'25" W

Streamflow Gauge Height
Flow Rate 71 ft³/s
Stage Height 2.41 ft
Status Nominal
ID: 01594936

North Fork Sand Run Near Wilson, MD

Latitude 39°15'37" N, Longitude 79°24'35" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 03075825

North Glade Run Near Swanton, MD

Latitude 39°30'25" N, Longitude 79°15'6" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 2.34 ft
Status Nominal
ID: 01594963

Nydegger Run Near Gorman, MD

Latitude 39°17'51" N, Longitude 79°21'1" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 3.64 ft
Status Offline
ID: 03075800

Poland Run Near Swanton, MD

Latitude 39°29'11" N, Longitude 79°16'36" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01597500

Savage Riv Bl Savage Riv Dam Near Bloomington, MD

Latitude 39°30'10" N, Longitude 79°7'26" W

Streamflow Gauge Height Quality
Flow Rate 60 ft³/s
Stage Height 0.78 ft
Status Nominal
ID: 01596050

Savage River Near Avilton, MD

Latitude 39°38'35" N, Longitude 79°1'12" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 1.25 ft
Status Offline
ID: 01596500

Savage River Near Barton, MD

Latitude 39°34'12" N, Longitude 79°6'7" W

Streamflow Gauge Height Quality
Flow Rate 8 ft³/s
Stage Height 0.90 ft
Status Nominal
ID: 01597490

Savage River Reservoir Near Bloomington, MD

Latitude 39°30'29" N, Longitude 79°8'6" W

Gauge Height
Stage Height 1452.31 ft
Status Nominal
ID: 03076500

Youghiogheny River At Friendsville, MD

Latitude 39°39'13" N, Longitude 79°24'30" W

Streamflow Gauge Height Quality
Flow Rate 156 ft³/s
Stage Height 2.42 ft
Status Nominal
ID: 03076100

Youghiogheny River Near Mchenry, MD

Latitude 39°31'33" N, Longitude 79°24'39" W

Streamflow Gauge Height
Flow Rate 131 ft³/s
Stage Height 2.83 ft
Status Nominal
ID: 03075500

Youghiogheny River Near Oakland, MD

Latitude 39°25'18" N, Longitude 79°25'25" W

Streamflow Gauge Height
Flow Rate 65 ft³/s
Stage Height 2.19 ft
Status Nominal
ID: 03075590

Youghiogheny River Near Swallow Falls Park, MD

Latitude 39°29'33" N, Longitude 79°24'43" W

Streamflow Gauge Height
Flow Rate 86 ft³/s
Stage Height 2.41 ft
Status Nominal

Harford County

20 stations
ID: 01581753

Atkisson Reservoir Near Bel Air, MD

Latitude 39°29'8" N, Longitude 76°20'41" W

Gauge Height
Stage Height 119.31 ft
Status Offline
ID: 01581690

Bear Cabin Branch Near Bel Air, MD

Latitude 39°32'42" N, Longitude 76°23'33" W

Streamflow
Flow Rate 2 ft³/s
Status Offline
ID: 01581500

Bynum Run At Bel Air, MD

Latitude 39°32'29" N, Longitude 76°19'48" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 0.50 ft
Status Nominal
ID: 01581590

Bynum Run Near Abingdon, MD

Latitude 39°28'48" N, Longitude 76°16'50" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 2.46 ft
Status Nominal
ID: 01580620

Ches Bay At Mouth Of Susq R At Havre De Grace, MD

Latitude 39°32'16" N, Longitude 76°5'22" W

Gauge Height
Stage Height 1.14 ft
Status Nominal
ID: 01579905

Deer Creek At Eden Mill Dam Near Pylesville, MD

Latitude 39°40'30" N, Longitude 76°27'10" W

Gauge Height
Stage Height 348.81 ft
Status Nominal
ID: 01580000

Deer Creek At Rocks, MD

Latitude 39°37'48" N, Longitude 76°24'12" W

Streamflow Gauge Height
Flow Rate 32 ft³/s
Stage Height 1.94 ft
Status Nominal
ID: 01580520

Deer Creek Near Darlington, MD

Latitude 39°37'3" N, Longitude 76°11'31" W

Streamflow Gauge Height
Flow Rate 45 ft³/s
Stage Height 0.92 ft
Status Nominal
ID: 01585075

Foster Branch Near Joppatowne, MD

Latitude 39°24'31" N, Longitude 76°20'34" W

Streamflow Gauge Height Quality
Flow Rate 0 ft³/s
Stage Height 1.77 ft
Status Nominal
ID: 01581649

James Run Near Belcamp, MD

Latitude 39°29'32" N, Longitude 76°15'33" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 2.85 ft
Status Nominal
ID: 0158175720

Lake Serene At Edgewood, MD

Latitude 39°25'56" N, Longitude 76°18'38" W

Gauge Height
Stage Height 52.88 ft
Status Nominal
ID: 01579920

Little Deer Creek Reservoir Near Shawsville, MD

Latitude 39°38'26" N, Longitude 76°31'39" W

Gauge Height
Stage Height 513.80 ft
Status Nominal
ID: 01581757

Otter Point Creek Near Edgewood, MD

Latitude 39°26'21" N, Longitude 76°18'22" W

Streamflow Gauge Height
Flow Rate 93 ft³/s
Stage Height 1.47 ft
Status Offline
ID: 01581752

Plumtree Run Near Bel Air, MD

Latitude 39°29'47" N, Longitude 76°20'51" W

Streamflow Gauge Height Quality
Flow Rate 1 ft³/s
Stage Height 0.94 ft
Status Nominal
ID: 01578310

Susquehanna River At Conowingo, MD

Latitude 39°39'28" N, Longitude 76°10'28" W

Streamflow Gauge Height
Flow Rate 5,860 ft³/s
Stage Height 9.48 ft
Status Nominal
ID: 01579550

Susquehanna River Near Darlington, MD

Latitude 39°37'34" N, Longitude 76°9'28" W

Quality
Water Temp
Status Nominal
ID: 01580700

Swan Creek At Swan Creek, MD

Latitude 39°31'22" N, Longitude 76°8'32" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 2.76 ft
Status Nominal
ID: 0158175320

Wheel Creek Near Abingdon, MD

Latitude 39°28'53" N, Longitude 76°20'26" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.54 ft
Status Nominal
ID: 01581750

Winters Run Near Bel Air, MD

Latitude 39°30'56" N, Longitude 76°22'8" W

Streamflow Gauge Height
Flow Rate 8 ft³/s
Stage Height 1.15 ft
Status Nominal
ID: 01581700

Winters Run Near Benson, MD

Latitude 39°31'12" N, Longitude 76°22'23" W

Streamflow Gauge Height
Flow Rate 7 ft³/s
Stage Height 1.16 ft
Status Nominal

Howard County

7 stations

Kent County

2 stations

Montgomery County

20 stations
ID: 01644380

Cabin Branch Near Boyds, MD

Latitude 39°12'24" N, Longitude 77°17'19" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 4.12 ft
Status Nominal
ID: 01644600

Great Seneca Creek Near Quince Orchard, MD

Latitude 39°7'58" N, Longitude 77°16'5" W

Streamflow
Flow Rate 56 ft³/s
Status Offline
ID: 01591700

Hawlings River Near Sandy Spring, MD

Latitude 39°10'28" N, Longitude 77°1'17" W

Streamflow Gauge Height
Flow Rate 13 ft³/s
Stage Height 0.50 ft
Status Nominal
ID: 01644372

Little Seneca Creek Tributary At Brink, MD

Latitude 39°13'22" N, Longitude 77°14'58" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 4.51 ft
Status Nominal
ID: 01644371

Little Seneca Creek Tributary Near Clarksburg, MD

Latitude 39°13'53" N, Longitude 77°15'20" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 4.29 ft
Status Nominal
ID: 01644375

Little Seneca Creek Tributary Near Germantown, MD

Latitude 39°11'58" N, Longitude 77°16'31" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.38 ft
Status Nominal
ID: 01650500

Northwest Branch Anacostia River Nr Colesville, MD

Latitude 39°3'56" N, Longitude 77°1'46" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 1.31 ft
Status Nominal
ID: 01649190

Paint Branch Near College Park, MD

Latitude 39°2'0" N, Longitude 76°57'51" W

Streamflow Gauge Height Quality
Flow Rate 2 ft³/s
Stage Height 1.44 ft
Status Nominal
ID: 01649150

Paint Branch Tributary Near Colesville, MD

Latitude 39°5'18" N, Longitude 76°59'22" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.40 ft
Status Nominal
ID: 01591610

Patuxent River Below Brighton Dam Near Brighton Md

Latitude 39°11'32" N, Longitude 77°0'16" W

Streamflow Gauge Height Quality
Flow Rate 33 ft³/s
Stage Height 1.54 ft
Status Nominal
ID: 01591000

Patuxent River Near Unity, MD

Latitude 39°14'18" N, Longitude 77°3'21" W

Streamflow Gauge Height
Flow Rate 13 ft³/s
Stage Height 1.99 ft
Status Nominal
ID: 01644148

Potomac River At Edwards Ferry Near Poolesville, MD

Latitude 39°5'55" N, Longitude 77°28'16" W

Gauge Height
Stage Height 3.57 ft
Status Nominal
ID: 01646500

Potomac River Near Wash, Dc Little Falls Pump Sta

Latitude 38°56'59" N, Longitude 77°7'40" W

Streamflow Gauge Height Quality
Flow Rate 1,770 ft³/s
Stage Height 2.77 ft
Status Nominal
ID: 01645000

Seneca Creek At Dawsonville, MD

Latitude 39°7'41" N, Longitude 77°20'9" W

Streamflow Gauge Height
Flow Rate 33 ft³/s
Stage Height 1.88 ft
Status Nominal
ID: 01650800

Sligo Creek Near Takoma Park, MD

Latitude 38°59'10" N, Longitude 77°0'17" W

Streamflow Gauge Height Quality
Flow Rate 1 ft³/s
Stage Height 0.55 ft
Status Nominal
ID: 01643395

Soper Branch At Hyattstown, MD

Latitude 39°16'31" N, Longitude 77°18'13" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.29 ft
Status Nominal
ID: 01644390

Tenmile Creek Near Boyds, MD

Latitude 39°12'58" N, Longitude 77°18'59" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 2.15 ft
Status Nominal
ID: 01644388

Tenmile Creek Near Clarksburg, MD

Latitude 39°13'24" N, Longitude 77°18'44" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 2.80 ft
Status Nominal
ID: 01647850

Turkey Branch Near Rockville, MD

Latitude 39°4'6" N, Longitude 77°4'54" W

Streamflow Gauge Height
Stage Height 4.26 ft
Status Nominal
ID: 01645200

Watts Branch At Rockville, MD

Latitude 39°5'3" N, Longitude 77°10'37" W

Streamflow
Flow Rate 5 ft³/s
Status Offline

Prince George's County

12 stations
ID: 01651007

Anacostia River At Bladensburg Waterfront Park, MD

Latitude 38°56'3" N, Longitude 76°56'21" W

Streamflow Gauge Height
Flow Rate 396 ft³/s
Stage Height 0.56 ft
Status Offline
ID: 01651730

Beaverdam Creek Near Cheverly, MD

Latitude 38°54'59" N, Longitude 76°56'4" W

Streamflow Gauge Height Quality
Flow Rate 3 ft³/s
Stage Height 1.13 ft
Status Nominal
ID: 01653620

Meetinghouse Branch At Camp Springs, MD

Latitude 38°47'54" N, Longitude 76°54'8" W

Streamflow Gauge Height Quality
Flow Rate 0 ft³/s
Stage Height 1.71 ft
Status Offline
ID: 01649500

Northeast Branch Anacostia River At Riverdale, MD

Latitude 38°57'37" N, Longitude 76°55'33" W

Streamflow Gauge Height Quality
Flow Rate 10 ft³/s
Stage Height 0.31 ft
Status Nominal
ID: 01651000

Northwest Br Anacostia River Nr Hyattsville, MD

Latitude 38°57'9" N, Longitude 76°57'55" W

Streamflow Gauge Height Quality
Water Temp
Status Offline
ID: 01651003

Northwest Branch Anacostia River At Brentwood, MD

Latitude 38°56'56" N, Longitude 76°57'22" W

Streamflow Gauge Height Quality
Flow Rate 6 ft³/s
Stage Height 0.98 ft
Status Nominal
ID: 01594441

Patuxent R At Gov Bridge Natural Area Nr Bowie Md

Latitude 38°56'49" N, Longitude 76°41'42" W

Quality
Water Temp
Status Nominal
ID: 01653521

Piscataway Creek At Joint Base Andrews, MD

Latitude 38°47'26" N, Longitude 76°52'1" W

Streamflow Gauge Height Quality
Flow Rate 5 ft³/s
Stage Height 1.22 ft
Status Offline
ID: 01653600

Piscataway Creek At Piscataway, MD

Latitude 38°42'21" N, Longitude 76°57'58" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.79 ft
Status Nominal
ID: 01653560

Piscataway Creek At Woodyard, MD

Latitude 38°47'7" N, Longitude 76°50'35" W

Gauge Height Quality
Stage Height 2.45 ft
Status Offline
ID: 01653522

Piscataway Creek Trib At Joint Base Andrews, MD

Latitude 38°47'33" N, Longitude 76°51'41" W

Gauge Height Quality
Stage Height 0.92 ft
Water Temp
Status Offline
ID: 01594526

Western Branch At Upper Marlboro, MD

Latitude 38°48'51" N, Longitude 76°44'55" W

Streamflow Gauge Height
Flow Rate 9 ft³/s
Stage Height 1.50 ft
Status Nominal

Queen Anne's County

4 stations

Somerset County

1 station

St. Mary's County

5 stations

Washington County

10 stations
ID: 01619320

Alb. Powell Fish Hatchery Sp. At Beaver Creek, MD

Latitude 39°35'22" N, Longitude 77°38'18" W

Streamflow
Flow Rate 6 ft³/s
Status Offline
ID: 01619500

Antietam Creek Near Sharpsburg, MD

Latitude 39°26'59" N, Longitude 77°43'49" W

Streamflow Gauge Height
Flow Rate 108 ft³/s
Stage Height 2.34 ft
Status Nominal
ID: 01619000

Antietam Creek Near Waynesboro, PA

Latitude 39°42'59" N, Longitude 77°36'24" W

Streamflow Gauge Height
Flow Rate 41 ft³/s
Stage Height 2.26 ft
Status Nominal
ID: 01614500

Conococheague Creek At Fairview, MD

Latitude 39°42'59" N, Longitude 77°49'29" W

Streamflow Gauge Height
Flow Rate 104 ft³/s
Stage Height 1.40 ft
Status Nominal
ID: 01613525

Licking Creek At Pectonville, MD

Latitude 39°40'35" N, Longitude 78°2'33" W

Streamflow Gauge Height
Flow Rate 19 ft³/s
Stage Height 1.61 ft
Status Nominal
ID: 01617800

Marsh Run At Grimes, MD

Latitude 39°30'52" N, Longitude 77°46'38" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 1.02 ft
Status Nominal
ID: 01613000

Potomac River At Hancock, MD

Latitude 39°41'51" N, Longitude 78°10'40" W

Streamflow Gauge Height
Flow Rate 732 ft³/s
Stage Height 3.00 ft
Status Nominal
ID: 01620000

Potomac River At Harpers Ferry, WV

Latitude 39°19'25" N, Longitude 77°43'41" W

Gauge Height
Stage Height 0.30 ft
Status Nominal
ID: 01610155

Sideling Hill Creek Near Bellegrove, MD

Latitude 39°38'58" N, Longitude 78°20'39" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.16 ft
Status Nominal
ID: 01613095

Tonoloway Creek Near Hancock, MD

Latitude 39°42'23" N, Longitude 78°9'10" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 1.47 ft
Status Nominal

Wicomico County

6 stations

Worcester County

3 stations