WaterLevels.org
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
Critical Alerts
0
Offline / Stale
77

Allegany

8 stations
ID: 01599000

Georges Creek At Franklin, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 39°30'3" N, Longitude 79°2'56" W

Streamflow Gauge Height
Flow Rate 12 ft³/s
Stage Height 1.90 ft
Status Nominal
ID: 01598500

North Branch Potomac River At Luke, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°28'44" N, Longitude 79°3'50" W

Streamflow Gauge Height
Flow Rate 336 ft³/s
Stage Height 1.78 ft
Status Nominal
ID: 01603000

North Branch Potomac River Near Cumberland, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 39°37'19" N, Longitude 78°46'24" W

Streamflow Gauge Height
Flow Rate 376 ft³/s
Stage Height 2.52 ft
Status Nominal
ID: 01610000

Potomac River At Paw Paw, WV

August 2, 2026 at 07:15:00 AM EDT

Latitude 39°32'20" N, Longitude 78°27'20" W

Streamflow Gauge Height
Flow Rate 612 ft³/s
Stage Height 3.75 ft
Status Nominal
ID: 01598650

Sand Spring Run At Frostburg, MD

October 1, 2008 at 01:00:00 AM EDT

Latitude 39°38'51" N, Longitude 78°56'10" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01609000

Town Creek Near Oldtown, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 39°33'12" N, Longitude 78°33'18" W

Streamflow Gauge Height
Flow Rate 11 ft³/s
Stage Height 1.87 ft
Status Nominal
ID: 01601100

Wills Creek At Ellerslie, MD

July 8, 2015 at 12:45:00 AM EDT

Latitude 39°43'7" N, Longitude 78°46'15" W

Streamflow
Flow Rate 150 ft³/s
Status Offline
ID: 01601500

Wills Creek Near Cumberland, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°40'11" N, Longitude 78°47'17" W

Streamflow Gauge Height
Flow Rate 35 ft³/s
Stage Height 1.80 ft
Status Nominal

Anne Arundel

8 stations
ID: 01590500

Bacon Ridge Branch At Chesterfield, MD

April 2, 1984 at 11:59:24 PM EST

Latitude 39°0'7" N, Longitude 76°36'52" W

Streamflow
Flow Rate 15 ft³/s
Status Offline
ID: 01594400

Dorsey Run Near Jessup, MD

October 1, 2009 at 12:45:00 AM EDT

Latitude 39°7'13" N, Longitude 76°46'56" W

Streamflow
Flow Rate 6 ft³/s
Status Offline
ID: 01594418

Kelly Pool Near Outfall Near Odenton, MD

June 23, 2022 at 10:00:00 AM EDT

Latitude 39°5'42" N, Longitude 76°44'12" W

Quality
Water Temp
Status Offline
ID: 01594440

Patuxent River Near Bowie, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 38°57'21" N, Longitude 76°41'37" W

Streamflow Gauge Height
Flow Rate 111 ft³/s
Stage Height 4.15 ft
Status Nominal
ID: 01589512

Sawmill Creek At Crain Highway At Glen Burnie, MD

November 8, 1994 at 11:45:00 PM EST

Latitude 39°10'59" N, Longitude 76°36'50" W

Streamflow
Flow Rate 6 ft³/s
Status Offline
ID: 01589500

Sawmill Creek At Glen Burnie, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 39°10'12" N, Longitude 76°37'50" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 1.87 ft
Status Nominal
ID: 01589501

Sawmill Creek Tributary At Bwi Near Ferndale, MD

February 18, 2004 at 11:45:00 PM EST

Latitude 39°10'40" N, Longitude 76°39'4" W

Streamflow
Flow Rate 0 ft³/s
Status Offline
ID: 01589795

South Fork Jabez Branch At Millersville, MD

August 2, 2026 at 07:55:00 AM EDT

Latitude 39°4'6" N, Longitude 76°39'6" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 3.19 ft
Status Nominal

Baltimore City

8 stations
ID: 01589352

Gwynns Falls At Washington Blvd At Baltimore, MD

August 2, 2026 at 07:20:00 AM EDT

Latitude 39°16'19" N, Longitude 76°39'0" W

Streamflow Gauge Height
Flow Rate 19 ft³/s
Stage Height 2.29 ft
Status Nominal
ID: 0158935180

Gwynns Run At Baltimore, MD

September 17, 2005 at 12:55:00 AM EDT

Latitude 39°16'42" N, Longitude 76°39'6" W

Streamflow
Flow Rate 2 ft³/s
Status Offline
ID: 01585219

Herring Run At Sinclair Lane At Baltimore, MD

August 2, 2026 at 07:50:00 AM EDT

Latitude 39°19'5" N, Longitude 76°33'19" W

Streamflow Gauge Height Quality
Flow Rate 33 ft³/s
Stage Height 4.22 ft
Status Nominal
ID: 01589478

Jones Falls At Maryland Ave At Baltimore, MD

October 1, 2004 at 12:55:00 AM EDT

Latitude 39°18'34" N, Longitude 76°37'10" W

Streamflow
Flow Rate 50 ft³/s
Status Offline
ID: 01589485

Jones Falls At Mouth At Baltimore, MD

January 2, 2020 at 07:45:00 AM EST

Latitude 39°17'3" N, Longitude 76°36'13" W

Streamflow Gauge Height Quality
Flow Rate -18 ft³/s
Stage Height -0.06 ft
Status Offline
ID: 01585230

Moores Run At Radecke Ave At Baltimore, MD

August 2, 2026 at 07:17:00 AM EDT

Latitude 39°19'48" N, Longitude 76°32'6" W

Streamflow Gauge Height
Stage Height 1.30 ft
Status Nominal
ID: 01585225

Moores Run Tributary. Near Todd Ave At Baltimore, MD

October 11, 2022 at 01:29:00 PM EDT

Latitude 39°20'12" N, Longitude 76°32'26" W

Streamflow Gauge Height Quality
Flow Rate 0 ft³/s
Stage Height 2.48 ft
Status Offline
ID: 01589464

Stony Run At Ridgemede Road At Baltimore, MD

October 1, 2015 at 01:00:00 AM EDT

Latitude 39°20'22" N, Longitude 76°37'32" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.30 ft
Status Offline

Baltimore

44 stations
ID: 01583580

Baisman Run At Broadmoor, MD

August 2, 2026 at 07:20:00 AM EDT

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

August 2, 2026 at 07:25:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

April 25, 1984 at 11:45:00 PM EST

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

August 2, 2026 at 07:40:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 0.30 ft
Status Nominal
ID: 01589312

Dead Run Near Catonsville, MD

August 1, 2026 at 05:35:00 PM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 07:40:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:20:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

June 6, 2019 at 09:30:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

June 6, 2019 at 01:15:00 PM EDT

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

October 1, 1993 at 12:45:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

July 29, 2026 at 11:30:00 PM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

October 1, 2005 at 12:55:00 AM EDT

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

August 2, 2026 at 08:04:00 AM EDT

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

September 25, 2009 at 12:45:00 AM EDT

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

October 1, 2009 at 12:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:40:00 AM EDT

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

October 15, 2019 at 11:10:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

April 1, 2011 at 12:45:00 AM EDT

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

August 1, 2026 at 05:35:00 PM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 07:35:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

October 1, 1993 at 12:45:00 AM EDT

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

Streamflow
Flow Rate 0 ft³/s
Status Offline

Calvert

2 stations
ID: 01594670

Hunting Creek Near Huntingtown, MD

June 4, 1998 at 12:45:00 AM EDT

Latitude 38°35'2" N, Longitude 76°36'19" W

Streamflow
Flow Rate 6 ft³/s
Status Offline
ID: 01594800

St Leonard Creek Near St Leonard, MD

September 28, 2002 at 12:45:00 AM EDT

Latitude 38°26'56" N, Longitude 76°29'43" W

Streamflow
Flow Rate 4 ft³/s
Status Offline

Caroline

2 stations
ID: 01491000

Choptank River Near Greensboro, MD

August 2, 2026 at 07:30:00 AM EDT

Latitude 38°59'50" N, Longitude 75°47'9" W

Streamflow Gauge Height Quality
Flow Rate 12 ft³/s
Stage Height 2.10 ft
Status Nominal
ID: 01489000

Faulkner Branch At Federalsburg, MD

February 19, 1992 at 11:45:00 PM EST

Latitude 38°42'44" N, Longitude 75°47'33" W

Streamflow
Flow Rate 11 ft³/s
Status Offline

Carroll

7 stations
ID: 01586210

Beaver Run Near Finksburg, MD

August 2, 2026 at 07:00:00 AM EDT

Latitude 39°29'22" N, Longitude 76°54'11" W

Streamflow Gauge Height
Flow Rate 6 ft³/s
Stage Height 0.42 ft
Status Nominal
ID: 01639500

Big Pipe Creek At Bruceville, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°36'44" N, Longitude 77°14'15" W

Streamflow Gauge Height
Flow Rate 11 ft³/s
Stage Height 0.75 ft
Status Nominal
ID: 01585500

Cranberry Branch Near Westminster, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°35'34" N, Longitude 76°58'6" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 1.27 ft
Status Nominal
ID: 01586610

Morgan Run Near Louisville, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°27'7" N, Longitude 76°57'19" W

Streamflow Gauge Height
Flow Rate 7 ft³/s
Stage Height 1.29 ft
Status Nominal
ID: 01586000

North Branch Patapsco River At Cedarhurst, MD

August 2, 2026 at 07:00:00 AM EDT

Latitude 39°30'11" N, Longitude 76°53'4" W

Streamflow Gauge Height
Flow Rate 12 ft³/s
Stage Height 1.25 ft
Status Nominal
ID: 01639140

Piney Creek Near Taneytown, MD

January 15, 2002 at 11:45:00 PM EST

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

Streamflow
Flow Rate 3 ft³/s
Status Offline
ID: 01640152

Sams Creek At Mckinstrys Mill, MD

August 2, 2026 at 08:05:00 AM EDT

Latitude 39°31'59" N, Longitude 77°9'32" W

Streamflow Gauge Height Quality
Flow Rate 2 ft³/s
Stage Height 1.38 ft
Status Nominal

Cecil

3 stations
ID: 01495000

Big Elk Creek At Elk Mills, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 39°40'3" N, Longitude 75°49'32" W

Streamflow Gauge Height
Flow Rate 23 ft³/s
Stage Height 3.08 ft
Status Nominal
ID: 01578475

Octoraro Creek Near Richardsmere, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 39°42'24" N, Longitude 76°6'55" W

Streamflow Gauge Height
Flow Rate 56 ft³/s
Stage Height 2.53 ft
Status Nominal
ID: 01496200

Principio Creek Near Principio Furnace, MD

April 2, 1992 at 11:45:00 PM EST

Latitude 39°37'34" N, Longitude 76°2'26" W

Streamflow
Flow Rate 8 ft³/s
Status Offline

Charles

3 stations
ID: 01658000

Mattawoman Creek Near Pomonkey, MD

August 2, 2026 at 07:50:00 AM EDT

Latitude 38°35'46" N, Longitude 77°3'22" W

Streamflow Gauge Height Quality
Flow Rate 0 ft³/s
Stage Height 1.65 ft
Status Nominal
ID: 01655480

Potomac River At Indian Head, MD

May 26, 1990 at 11:00:00 PM EDT

Latitude 38°36'3" N, Longitude 77°10'55" W

Gauge Height
Stage Height 12.13 ft
Status Offline
ID: 01660920

Zekiah Swamp Run Near Newtown, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 38°29'26" N, Longitude 76°55'37" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 0.36 ft
Status Nominal

Dorchester

3 stations
ID: 01490000

Chicamacomico River Near Salem, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 38°30'42" N, Longitude 75°52'48" W

Streamflow Gauge Height
Flow Rate 5 ft³/s
Stage Height 0.00 ft
Status Nominal
ID: 01490200

Farm Creek Near Toddville, MD

April 11, 2016 at 12:54:00 AM EDT

Latitude 38°19'6" N, Longitude 76°5'19" W

Gauge Height Quality
Stage Height 0.13 ft
Water Temp
Status Offline
ID: 01490140

Little Blackwater River At Seward, MD

October 1, 2010 at 12:54:00 AM EDT

Latitude 38°26'43" N, Longitude 76°5'2" W

Streamflow
Flow Rate 666 ft³/s
Status Offline

Frederick

26 stations
ID: 01640980

Bear Branch Near Thurmont, MD

October 1, 1995 at 12:45:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

October 1, 1993 at 12:45:00 AM EDT

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

June 30, 2025 at 09:15:00 AM EDT

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

March 31, 2025 at 10:05:00 AM EDT

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

March 31, 2025 at 09:30:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

October 1, 2011 at 12:45:00 AM EDT

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

October 1, 1993 at 12:45:00 AM EDT

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

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

Fr Dd 178

May 21, 2020 at 09:45:00 AM EDT

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

Quality
Water Temp
Status Offline
ID: 392556077263301

Fr Dd 213

January 30, 2020 at 01:30:00 PM EST

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

Quality
Water Temp
Status Offline
ID: 392605077262801

Fr Dd 245

October 14, 2020 at 01:00:00 PM EDT

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

Quality
Water Temp
Status Offline
ID: 01641000

Hunting Creek At Jimtown, MD

February 18, 1992 at 11:30:00 PM EST

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

October 1, 1993 at 12:45:00 AM EDT

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

September 26, 1991 at 12:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

October 1, 2010 at 12:45:00 AM EDT

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

July 1, 2020 at 10:40:00 AM EDT

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

July 6, 2020 at 09:25:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:55:00 AM EDT

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

25 stations
ID: 03075850

Arrowhead Run At Thayerville, MD

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

July 1, 2016 at 01:00:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

July 1, 2016 at 01:00:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

October 1, 2004 at 12:45:00 AM EDT

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

July 2, 2020 at 12:30:00 PM EDT

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

July 1, 2016 at 01:00:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

October 1, 2007 at 12:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

July 1, 2016 at 01:00:00 AM EDT

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

October 1, 2010 at 12:55:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

July 1, 2016 at 01:00:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

20 stations
ID: 01581753

Atkisson Reservoir Near Bel Air, MD

May 17, 2021 at 10:45:00 AM EDT

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

October 1, 2009 at 12:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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 River At Havre De Grace, MD

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

Streamflow Gauge Height Quality
Flow Rate 0 ft³/s
Stage Height 1.78 ft
Status Nominal
ID: 01581649

James Run Near Belcamp, MD

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

December 23, 2020 at 01:05:00 PM EST

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 07:35:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

Quality
Water Temp
Status Nominal
ID: 01580700

Swan Creek At Swan Creek, MD

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

7 stations
ID: 01591400

Cattail Creek Near Glenwood, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 39°15'21" N, Longitude 77°3'4" W

Streamflow Gauge Height
Flow Rate 9 ft³/s
Stage Height 0.50 ft
Status Nominal
ID: 01593500

Little Patuxent River At Guilford, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°10'4" N, Longitude 76°51'4" W

Streamflow Gauge Height
Flow Rate 9 ft³/s
Stage Height 1.79 ft
Status Nominal
ID: 01594000

Little Patuxent River At Savage, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 39°8'4" N, Longitude 76°48'58" W

Streamflow Gauge Height
Flow Rate 29 ft³/s
Stage Height 2.97 ft
Status Nominal
ID: 01593450

L Pax Riv Tributary Above Lake Elkhorn Near Guilford, MD

April 29, 2026 at 09:35:00 AM EDT

Latitude 39°11'16" N, Longitude 76°49'51" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 0.62 ft
Status Offline
ID: 01593710

Middle Patuxent River Near Simpsonville, MD

October 1, 1995 at 12:45:00 AM EDT

Latitude 39°11'48" N, Longitude 76°53'58" W

Streamflow
Flow Rate 10 ft³/s
Status Offline
ID: 01589035

Patapsco River Near Elkridge, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°13'38" N, Longitude 76°43'23" W

Streamflow Gauge Height
Flow Rate 54 ft³/s
Stage Height 5.43 ft
Status Nominal
ID: 01592500

Patuxent River Near Laurel, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 39°6'57" N, Longitude 76°52'26" W

Streamflow Gauge Height
Flow Rate 19 ft³/s
Stage Height 4.32 ft
Status Nominal

Kent

2 stations
ID: 01493112

Chesterville Branch Near Crumpton, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°15'25" N, Longitude 75°56'25" W

Streamflow Gauge Height Quality
Stage Height 1.25 ft
Water Temp
Status Nominal
ID: 01493500

Morgan Creek Near Kennedyville, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 39°16'48" N, Longitude 76°0'52" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 1.20 ft
Status Nominal

Montgomery

20 stations
ID: 01644380

Cabin Branch Near Boyds, MD

August 2, 2026 at 08:00:00 AM EDT

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

October 1, 2009 at 12:45:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:55:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:55:00 AM EDT

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 Near Colesville, MD

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:55:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:50:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 08:05:00 AM EDT

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

August 2, 2026 at 07:55:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

April 1, 1984 at 11:58:45 PM EST

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

Streamflow
Flow Rate 5 ft³/s
Status Offline

Prince George's

12 stations
ID: 01651007

Anacostia River At Bladensburg Waterfront Park, MD

December 7, 2022 at 10:35:00 AM EST

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

August 2, 2026 at 08:00:00 AM EDT

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

December 8, 2025 at 12:05:00 PM EST

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

August 2, 2026 at 08:05:00 AM EDT

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: 01651003

Northwest Branch Anacostia River At Brentwood, MD

August 2, 2026 at 07:40:00 AM EDT

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: 01651000

Northwest Branch Anacostia River Near Hyattsville, MD

August 10, 2022 at 04:15:00 PM EDT

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

Streamflow Gauge Height Quality
Water Temp
Status Offline
ID: 01594441

Patuxent River At Gov Bridge Natural Area Near Bowie Md

August 2, 2026 at 08:05:00 AM EDT

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

Quality
Water Temp
Status Nominal
ID: 01653521

Piscataway Creek At Joint Base Andrews, MD

July 17, 2025 at 11:06:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

December 8, 2025 at 03:00:00 PM EST

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

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

Piscataway Creek Tributary At Joint Base Andrews, MD

April 10, 2026 at 09:52:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

4 stations
ID: 01492500

Sallie Harris Creek Near Carmichael, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 38°57'54" N, Longitude 76°6'32" W

Streamflow Gauge Height
Flow Rate 2 ft³/s
Stage Height 0.69 ft
Status Nominal
ID: 01494150

Three Bridges Branch At Centreville, MD

October 1, 2017 at 01:00:00 AM EDT

Latitude 39°3'15" N, Longitude 76°3'17" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 0.81 ft
Status Offline
ID: 01491500

Tuckahoe Creek Near Ruthsburg, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 38°58'1" N, Longitude 75°56'35" W

Streamflow Gauge Height
Flow Rate 27 ft³/s
Stage Height 0.62 ft
Status Nominal
ID: 01493000

Unicorn Branch Near Millington, MD

August 2, 2026 at 08:00:00 AM EDT

Latitude 39°15'0" N, Longitude 75°51'41" W

Streamflow Gauge Height
Flow Rate 7 ft³/s
Stage Height 1.28 ft
Status Nominal

Somerset

1 station
ID: 01486000

Manokin Branch Near Princess Anne, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 38°12'50" N, Longitude 75°40'17" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 1.51 ft
Status Nominal

St. Mary's

5 stations
ID: 01594710

Killpeck Creek At Huntersville, MD

February 25, 1998 at 11:45:00 PM EST

Latitude 38°28'37" N, Longitude 76°44'7" W

Streamflow
Flow Rate 11 ft³/s
Status Offline
ID: 01661350

Mcintosh Run Near Leonardtown, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 38°18'15" N, Longitude 76°39'24" W

Gauge Height
Stage Height 1.24 ft
Status Nominal
ID: 01661050

St Clements Creek Near Clements, MD

August 2, 2026 at 06:15:00 AM EDT

Latitude 38°20'0" N, Longitude 76°43'30" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height -0.51 ft
Status Nominal
ID: 01661499

St Marys Lake Near Callaway, MD

August 2, 2026 at 08:05:00 AM EDT

Latitude 38°15'10" N, Longitude 76°32'0" W

Gauge Height
Stage Height 60.85 ft
Status Nominal
ID: 01661500

St Marys River At Great Mills, MD

August 2, 2026 at 07:15:00 AM EDT

Latitude 38°14'30" N, Longitude 76°30'13" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 1.35 ft
Status Nominal

Washington

10 stations
ID: 01619320

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

October 7, 1998 at 12:45:00 AM EDT

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

August 2, 2026 at 07:30:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:15:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

August 2, 2026 at 08:00:00 AM EDT

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

August 2, 2026 at 07:45:00 AM EDT

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

6 stations
ID: 01486500

Beaverdam Creek Near Salisbury, MD

October 1, 2017 at 01:00:00 AM EDT

Latitude 38°21'11" N, Longitude 75°34'21" W

Streamflow Gauge Height
Flow Rate 17 ft³/s
Stage Height 1.14 ft
Status Offline
ID: 01484985

Green Run Near Careytown, MD

October 1, 2002 at 12:45:00 AM EDT

Latitude 38°26'13" N, Longitude 75°21'5" W

Streamflow
Flow Rate 4 ft³/s
Status Offline
ID: 01488110

Nanticoke River At Sharptown, MD

October 1, 2013 at 12:54:00 AM EDT

Latitude 38°32'38" N, Longitude 75°43'13" W

Gauge Height
Stage Height 2.24 ft
Status Offline
ID: 01484981

North Fork Green Run Near Whitesville, DE

June 11, 2003 at 12:45:00 AM EDT

Latitude 38°27'7" N, Longitude 75°22'40" W

Streamflow
Flow Rate 9 ft³/s
Status Offline
ID: 01485000

Pocomoke River Near Willards, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 38°23'20" N, Longitude 75°19'28" W

Streamflow Gauge Height
Flow Rate 6 ft³/s
Stage Height 4.53 ft
Status Nominal
ID: 01484983

South Fork Green Run Near Whitesville, DE

July 1, 2003 at 12:45:00 AM EDT

Latitude 38°26'31" N, Longitude 75°23'43" W

Streamflow
Flow Rate 1 ft³/s
Status Offline

Worcester

3 stations
ID: 01484719

Bassett Creek Near Ironshire, MD

October 1, 2009 at 12:45:00 AM EDT

Latitude 38°16'5" N, Longitude 75°14'39" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 0148471320

Birch Branch At Showell, MD

August 2, 2026 at 07:45:00 AM EDT

Latitude 38°24'34" N, Longitude 75°12'45" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 3.18 ft
Status Nominal
ID: 01485500

Nassawango Creek Near Snow Hill, MD

August 2, 2026 at 07:30:00 AM EDT

Latitude 38°13'44" N, Longitude 75°28'17" W

Streamflow Gauge Height
Flow Rate 4 ft³/s
Stage Height 0.82 ft
Status Nominal