| Gauge | County | Stage now | Reported | Rank |
|---|---|---|---|---|
| AbingdonABGM2 | Harford | 1.87 ft | 28 min ago | 85 |
| Abingdon - Bynum RunBRAM2 | Harford | 3.05 ft | 33 min ago | 148 |
| Allview - Little Patuxent RiverSMPM2 | Howard | 271.55 ft | 53 min ago | 35 |
| Antietam Creek at SharpsburgSACM2 | Washington | 2.31 ft | 63 min ago | 131 |
| AT WoodstockWOOM2 | Baltimore | 235.98 ft | 28 min ago | 179 |
| Back Branch 3 NE Brown Landfill/MellowwoodBRNM2 | Prince Georges | 0.32 ft | 63 min ago | 35 |
| Baisman Run at BroadmoorBRMM2 | Baltimore | 1.09 ft | 53 min ago | 35 |
| Baltimore - Inlet to PatapscoIHBM2 | Baltimore City | 2.85 ft | 63 min ago | 380 |
| Baltimore County - Alert GageLKRM2 | Baltimore | 0.12 ft | 53 min ago | 313 |
| Bear Creek at FriendsvilleBRCM2 | Garrett | 2.19 ft | 48 min ago | 79 |
| Beaver Run at FinksburgFNKM2 | Carroll | 0.44 ft | 78 min ago | 165 |
| Beaverdam Run at CockeysvilleCKYM2 | Baltimore | 2.57 ft | 53 min ago | 70 |
| Beetree Run at Bentley SpringsBSBM2 | Baltimore | 0.63 ft | 63 min ago | 160 |
| Bel Air Acres 2SW - Winters RunWRBM2 | Harford | 1.43 ft | 33 min ago | 58 |
| BeltsvilleBTLM2 | Prince Georges | - | - | - |
| Bennett Creek at Park MillsPMBM2 | Frederick | 1.54 ft | 33 min ago | 58 |
| Berwyn RoadBRWM2 | Prince Georges | 1.89 ft | 8 min ago | 384 |
| Big Elk Creek at Elk MillsEKMM2 | Cecil | 3.34 ft | 33 min ago | 148 |
| Big Pipe Creek at BrucevilleBRUM2 | Carroll | 0.90 ft | 18 min ago | 80 |
| Birch Branch 1 N ShowellBBSM2 | Worcester | 3.34 ft | 33 min ago | 124 |
| Brentwood - NB AnacostiaNBAM2 | Prince Georges | 1.35 ft | 38 min ago | 92 |
| Brunswick - Potomac RiverPRBM2 | Frederick | 3.20 ft | 2 hours ago | 299 |
| Bynum Run at Bel AirBABM2 | Harford | 1.13 ft | 63 min ago | 35 |
| Cabin Branch near BoydsBOYM2 | Montgomery | 4.22 ft | 18 min ago | 80 |
| Casselman River at GrantsvilleGNTM2 | Garrett | 1.51 ft | 48 min ago | 101 |
| Catoctin Creek at MiddletownMDLM2 | Frederick | 1.52 ft | 33 min ago | 184 |
| Catonsville - Dead RunDEDM2 | Baltimore | 0.42 ft | 3 hours ago | 366 |
| Cattail Creek near GlenwoodGLNM2 | Howard | 0.59 ft | 33 min ago | 148 |
| Cherry CreekCCMM2 | Garrett | 2.65 ft | 2 hours ago | 298 |
| Chicamacomico Creek 1.6 E Chicamacomico River near Salem MDCMCM2 | Dorchester | 0.01 ft | 63 min ago | 132 |
| Claremont - Herring RunHRSM2 | Baltimore City | 4.90 ft | 28 min ago | 85 |
| ClarksburgCLKM2 | Montgomery | 4.17 ft | 18 min ago | 77 |
| Columbia - Little Patuxent RiverCSEM2 | Howard | 289.51 ft | 28 min ago | 22 |
| Conococheague Creek at FairviewFAVM2 | Washington | 1.88 ft | 33 min ago | 124 |
| Cranberry Branch at WestminsterWESM2 | Carroll | 1.25 ft | 48 min ago | 171 |
| Dead Run at FranklintownDRFM2 | Baltimore | 0.73 ft | 38 min ago | 101 |
| Dead Run at WoodlawnTTDM2 | Baltimore | 0.64 ft | 3 hours ago | 376 |
| Dead Run at WoodlawnWDLM2 | Baltimore | 0.29 ft | 3 hours ago | 376 |
| Dead Run at WoodlawnWDNM2 | Baltimore | 0.40 ft | 3 hours ago | 366 |
| Dead Run at WoodlawnWOLM2 | Baltimore | 2.81 ft | 3 hours ago | 366 |
| Deer Creek at DarlingtonDRLM2 | Harford | 1.16 ft | 63 min ago | 132 |
| Deer Creek at Rocks State ParkRSPM2 | Harford | 2.02 ft | 63 min ago | 132 |
| Depot Pond 1.5 SSE Depot Pond/Upper MarlboroDPNM2 | Prince Georges | 1.89 ft | 13 min ago | 394 |
| Dickerson - Monocacy RiverMRDM2 | Frederick | 1.56 ft | 33 min ago | 58 |
| East Branch Herbert Run at ArbutusEBHM2 | Baltimore | 1.36 ft | 38 min ago | 101 |
| Ellicott City - Hudson BranchECHM2 | Howard | 253.43 ft | 23 min ago | 50 |
| ForestvilleMRBM2 | Prince Georges | 0.94 ft | 23 min ago | 360 |
| Georges Creek 1 N WesternportWSTM2 | Allegany | 1.93 ft | 33 min ago | 148 |
| Georges Run at BeckleysvilleBCKM2 | Baltimore | 0.19 ft | 63 min ago | 132 |
| Grave Run at BeckleysvilleBKYM2 | Baltimore | -0.65 ft | 18 min ago | 178 |
| GreenbeltGBTM2 | Prince Georges | 1.43 ft | 2 hours ago | - |
| GreenbeltGRNM2 | Prince Georges | 0.16 ft | 53 min ago | 304 |
| Greensboro - Choptank RiverGNBM2 | Caroline | 2.15 ft | 63 min ago | 132 |
| Gunpowder Falls at GlencoeGCEM2 | Baltimore | 1.61 ft | 58 min ago | 92 |
| Gunpowder Falls at HoffmanvilleGFHM2 | Baltimore | 1.07 ft | 63 min ago | 132 |
| Gunpowder Falls at ParktonPKTM2 | Baltimore | 2.18 ft | 18 min ago | 80 |
| Gwynns Falls at DelightDELM2 | Baltimore | 0.21 ft | 28 min ago | 99 |
| Gwynns Falls at Gwynn Oak AvenueGFGM2 | Baltimore | 3.03 ft | 63 min ago | 35 |
| Gwynns Falls at Villa NovaVNVM2 | Baltimore | 0.84 ft | 43 min ago | 35 |
| Gwynns Falls at Washington Blvd BaltimoreWBGM2 | Baltimore City | 2.83 ft | 58 min ago | 169 |
| Hawlings River at Sandy SpringSANM2 | Montgomery | 0.46 ft | 33 min ago | 124 |
| Herring Run at Echodale AvenueHREM2 | Baltimore City | 3.78 ft | 13 min ago | 316 |
| Herring Run at Route 40HRRM2 | Baltimore City | 1.94 ft | 18 min ago | 371 |
| Honeygo Run at White MarshWMHM2 | Baltimore | 0.86 ft | 28 min ago | 85 |
| Indian Creek 2INDM2 | Prince Georges | 2.80 ft | 6 hours ago | 387 |
| Indian Creek at Beltsville - Odell RdBVLM2 | Prince Georges | 0.67 ft | 33 min ago | 379 |
| Indian Creek Branch 1 N Indian Creek 3/BeltsvilleICKM2 | Prince Georges | 1.05 ft | 38 min ago | 397 |
| James Run at BelcampBLCM2 | Harford | 3.11 ft | 48 min ago | 164 |
| Jones Falls (Falls And Smith)JFSM2 | Baltimore City | 3.25 ft | 43 min ago | 320 |
| Jones Falls (Street Car Museum)JSCM2 | Baltimore City | 1.82 ft | 23 min ago | 319 |
| Jones Falls 1.5 SW SorrentoSRTM2 | Baltimore | 7.82 ft | 63 min ago | 132 |
| Jones Falls at Union AvenueUNAM2 | Baltimore City | 1.24 ft | 33 min ago | 68 |
| Jones Falls Pumping StationJONM2 | Baltimore City | 0.56 ft | 13 min ago | 58 |
| Joppatowne - Foster BranchJPAM2 | Harford | 2.34 ft | 43 min ago | 170 |
| Kenilworth Ave./Walker BranchGBLM2 | Prince Georges | 1.93 ft | 8 min ago | 386 |
| KennedyvilleKENM2 | Kent | 1.29 ft | 33 min ago | 148 |
| Leonardtown - McIntosh RunLENM2 | St. Marys | 0.89 ft | 33 min ago | 58 |
| 3 NE Liberty Reservoir/MayfieldMFEM2 | Baltimore | 411.22 ft | 8 min ago | 12 |
| Licking Creek at PectonvillePECM2 | Washington | 1.84 ft | 18 min ago | 181 |
| Little Falls at Blue MountBLMM2 | Baltimore | 0.06 ft | 2 hours ago | 299 |
| Little Gunpowder Falls at Laurel BrookLBFM2 | Baltimore | 1.01 ft | 63 min ago | 132 |
| Little Paint Branch at Calverton - Briggs Chaney RdCVTM2 | Prince Georges | 0.99 ft | 63 min ago | 383 |
| Little Patuxent River at CentennialCTNM2 | Howard | 310.16 ft | 28 min ago | 362 |
| Little Patuxent River at GuilfordLPGM2 | Howard | 2.25 ft | 18 min ago | 20 |
| Little Patuxent River at SavageSAVM2 | Howard | 2.98 ft | 2 hours ago | 299 |
| Little Seneca Creek at BrinkBIKM2 | Montgomery | 4.55 ft | 23 min ago | 50 |
| Little Seneca Creek near GermantownGMNM2 | Montgomery | 0.50 ft | 23 min ago | 297 |
| LochleaLCHM2 | Baltimore City | 3.42 ft | 33 min ago | 308 |
| Long Green Creek at Glen ArmGALM2 | Baltimore | 1.10 ft | 63 min ago | 132 |
| Long Quarter Branch at LuthervilleLUTM2 | Baltimore | 1.35 ft | 48 min ago | 92 |
| Lottsford RoadLOTM2 | Prince Georges | 1.63 ft | 8 min ago | 365 |
| Maiden Choice Run at S Dukeland AveMCRM2 | Baltimore City | 1.61 ft | 43 min ago | 318 |
| Manokin River 1.4 NE Manokin Branch near Princess AnneMNBM2 | Somerset | 1.56 ft | 63 min ago | 132 |
| MarlboroMBOM2 | Prince Georges | 0.93 ft | 3 hours ago | - |
| Marsh Run at GrimesGRMM2 | Washington | 1.04 ft | 2 hours ago | 69 |
| Maryland Alert GageELKM2 | Baltimore | 7.65 ft | 63 min ago | 380 |
| Mattawoman Creek at PomonkeyPOMM2 | Charles | 2.26 ft | 28 min ago | 85 |
| MillersvilleMLRM2 | Anne Arundel | 3.27 ft | 23 min ago | 50 |
| Minebank Run at Glen ArmGAMM2 | Baltimore | 4.57 ft | 18 min ago | 273 |
| MitchellvilleMITM2 | Prince Georges | 1.93 ft | 8 min ago | 359 |
| Monocacy River 2 E FrederickFDKM2 | Frederick | 1.81 ft | 48 min ago | 161 |
| Monocacy River 5 SE BridgeportBDGM2 | Frederick | 2.36 ft | 48 min ago | 101 |
| Monocacy River at FrederickFRMM2 | Frederick | 1.67 ft | 63 min ago | 157 |
| Moores Run at Moravia Ind PkMOOM2 | Baltimore City | 3.76 ft | 33 min ago | 363 |
| Morgan Run at LouisvilleMRLM2 | Carroll | 1.30 ft | 18 min ago | 105 |
| Nassawango Creek 5 NW Nassawango CreekNSWM2 | Worcester | 1.15 ft | 48 min ago | 17 |
| Ne Branch Anacostia River at Riverdale - Riverdale RdRVDM2 | Prince Georges | 0.79 ft | 43 min ago | 305 |
| North Branch Potomac River 2 S CumberlandCBEM2 | Allegany | 2.70 ft | 63 min ago | 119 |
| North Branch Potomac River at KitzmillerKITM2 | Garrett | 2.80 ft | 63 min ago | 147 |
| North Branch Potomac River at LukeLUKM2 | Allegany | 2.04 ft | 78 min ago | 105 |
| North Branch Potomac River at SteyerSTYM2 | Garrett | 2.57 ft | 63 min ago | 119 |
| NorthbendNBDM2 | Baltimore City | 0.91 ft | 63 min ago | 369 |
| Northwest Branch Anacostia River at Takoma Park - Riggs RdTKMM2 | Prince Georges | 1.17 ft | 3 hours ago | 389 |
| Nw Branch Anacostia River 1 W HyattsvilleACOM2 | Prince Georges | 1.30 ft | 33 min ago | 378 |
| Nw Branch Anacostia River at BrentwoodBNTM2 | Prince Georges | 1.16 ft | 58 min ago | 336 |
| Nw Branch Anacostia River at ColesvilleCLAM2 | Montgomery | 1.49 ft | 33 min ago | 124 |
| Owings MillsONGM2 | Baltimore | 1.08 ft | 13 min ago | 35 |
| Paint Branch at College ParkCPPM2 | Montgomery | 1.47 ft | 43 min ago | 163 |
| Paint Branch at Hillandale - Powder MillHNDM2 | Prince Georges | 0.91 ft | 38 min ago | - |
| Paint Branch Tributary near ColesvilleCLSM2 | Montgomery | 1.45 ft | 28 min ago | 85 |
| Patapsco River at CatonsvilleCTSM2 | Baltimore | 10.32 ft | 48 min ago | 92 |
| Patapsco River at CedarhurstCDHM2 | Carroll | 1.31 ft | 78 min ago | 165 |
| Patapsco River at ElkridgeERDM2 | Howard | 5.45 ft | 78 min ago | 105 |
| Patapsco River at Ellicott CityELPM2 | Baltimore | 113.94 ft | 18 min ago | 77 |
| Patapsco River at HollofieldPRHM2 | Baltimore | 1.63 ft | 63 min ago | 132 |
| Patuxent River 3 W BowieBOWM2 | Prince Georges | 4.38 ft | 33 min ago | 58 |
| Patuxent River at BrightonBGHM2 | Howard | 1.78 ft | 33 min ago | 148 |
| Patuxent River at LaurelLPRM2 | Prince Georges | 4.33 ft | 63 min ago | 35 |
| Patuxent River at Laurel - 9th StreetPRNM2 | Prince Georges | 4.63 ft | 23 min ago | 294 |
| Patuxent River at UnityPRUM2 | Montgomery | 2.05 ft | 23 min ago | 50 |
| Piney Point - St George CreekSGSM2 | St. Marys | 2.14 ft | 54 min ago | 71 |
| Piney Run at DoverDVRM2 | Baltimore | 1.41 ft | 33 min ago | 58 |
| Piscataway Creek at PiscatawayPSCM2 | Prince Georges | 2.29 ft | 48 min ago | 12 |
| Plumtree Run at Bel AirPTRM2 | Harford | 1.87 ft | 53 min ago | 35 |
| Pocomoke River 1.3 E WillardsWLRM2 | Wicomico | 4.53 ft | 33 min ago | 148 |
| Pond Branch at Oregon RidgeORRM2 | Baltimore | 1.16 ft | 38 min ago | 12 |
| Potomac River at Edwards FerryEDFM2 | Montgomery | 5.06 ft | 33 min ago | 303 |
| Potomac River at HancockHNKM2 | Washington | 4.19 ft | 63 min ago | 119 |
| Potomac River at Little FallsBRKM2 | Montgomery | 3.20 ft | 33 min ago | 124 |
| Potomac River at Point of RocksPORM2 | Frederick | 2.45 ft | 18 min ago | 32 |
| RichardsmereRICM2 | Cecil | 2.74 ft | 33 min ago | 148 |
| Riggs Rd./Sligo CreekCHLM2 | Prince Georges | 0.24 ft | 38 min ago | 335 |
| Rocky Point Park - Black River TribBRTM2 | Baltimore | 0.35 ft | 12 min ago | 30 |
| Savage River 3 NW BloomingtonSRVM2 | Garrett | 0.74 ft | 33 min ago | 119 |
| Savage River 5 NW BartonBTNM2 | Garrett | 1.22 ft | 63 min ago | 132 |
| Sawmill Creek at Glen BurnieGBSM2 | Anne Arundel | 2.01 ft | 33 min ago | 185 |
| School House Pond at Upper MarlboroSHPM2 | Prince Georges | 2.63 ft | 38 min ago | 17 |
| Scotts Level Branch at RockdaleSLRM2 | Baltimore | 0.77 ft | 28 min ago | 99 |
| Seneca Creek at DawsonvilleDAWM2 | Montgomery | 2.10 ft | 28 min ago | 17 |
| Sideling Hill Creek at BellegroveBELM2 | Washington | 0.53 ft | 18 min ago | 80 |
| Sligo Creek at Takoma ParkTKPM2 | Montgomery | 1.02 ft | 18 min ago | 174 |
| Soper Branch at HyattstownHYAM2 | Montgomery | 0.31 ft | 23 min ago | 32 |
| Southwest Branch 1 S Truman Drive/LargoHTNM2 | Prince Georges | 2.34 ft | 28 min ago | 375 |
| St Clement Creek at ClementsCLMM2 | St Marys | -0.42 ft | 63 min ago | 132 |
| St Marys River at Great MillsGMRM2 | St Marys | 1.52 ft | 63 min ago | 132 |
| Stony Run at Cold Spring LaneSTOM2 | Baltimore City | 1.72 ft | 33 min ago | 364 |
| Susquehanna at Conowingo DamCNWM2 | Harford | 13.36 ft | 43 min ago | 35 |
| Swan Creek at Swan CreekSWNM2 | Harford | 2.95 ft | 63 min ago | 119 |
| Swanton - North Glade RunNGLM2 | Garrett | 2.66 ft | 63 min ago | 34 |
| Ten Mile Creek at BoydsBTMM2 | Montgomery | 2.15 ft | 48 min ago | 92 |
| Ten Mile Creek at ClarksburgCTMM2 | Montgomery | 2.85 ft | 18 min ago | 312 |
| Thayerville - Arrowhead RunARTM2 | Garrett | 2.78 ft | 2 hours ago | 296 |
| Tidal Anacostia River at BladensburgBLDM2 | Prince Georges | 2.39 ft | 18 min ago | 177 |
| Tonoloway Creek at HancockHANM2 | Washington | 1.84 ft | 33 min ago | 124 |
| Town Creek at OldtownOLTM2 | Allegany | 2.05 ft | 48 min ago | 91 |
| Tributary Of Collington Branch at BowieBWEM2 | Prince Georges | 2.23 ft | 2 hours ago | 396 |
| Turkey Branch at RockvilleRKVM2 | Montgomery | 4.56 ft | 18 min ago | 174 |
| Unicorn Branch at MillingtonMLTM2 | Queen Annes | 1.66 ft | 18 min ago | 181 |
| Unknown at Leeland RoadLEEM2 | Prince Georges | 0.55 ft | 18 min ago | 307 |
| Unnamed Tributary 1 N Lake Arbor HeadwaterLKAM2 | Prince Georges | 0.14 ft | 68 min ago | 395 |
| Unnamed Tributary at Lake Arbor TailwaterLKDM2 | Prince Georges | 0.96 ft | 53 min ago | 35 |
| West Branch Herring Run at IdlewyldeIDLM2 | Baltimore | 1.53 ft | 13 min ago | 35 |
| Western Branch at Upper MarlboroUPRM2 | Prince Georges | 1.78 ft | 2 hours ago | 356 |
| Western Run at Western RunWRWM2 | Baltimore | 0.79 ft | 43 min ago | 35 |
| Whitemarsh Run at FullertonFLRM2 | Baltimore | 1.75 ft | 28 min ago | 85 |
| Whitemarsh Run at White MarshWHMM2 | Baltimore | 4.27 ft | 18 min ago | 295 |
| Wildercroft ParkNCRM2 | Prince Georges | 0.02 ft | 4 hours ago | 398 |
| Wills Creek 2 NNW CumberlandCWCM2 | Allegany | 2.57 ft | 18 min ago | 162 |
| Winters Run at BensonBENM2 | Harford | 1.37 ft | 63 min ago | 35 |
| Youghiogheny River at FriendsvilleFRDM2 | Garrett | 2.95 ft | 33 min ago | 159 |
| Youghiogheny River at HoyesHOYM2 | Garrett | 3.84 ft | 33 min ago | 124 |
| Youghiogheny River at OaklandOAKM2 | Garrett | 2.82 ft | 63 min ago | 158 |
| Zekiah Swamp Run at NewtownZSRM2 | Charles | 1.15 ft | 63 min ago | 132 |
How to read a gauge
A gauge measures the height of the water where it stands, its stage, in feet above a fixed mark at that gauge. Two gauges' stages are not comparable: each is measured from its own mark, and a reservoir's is often its height above sea level.
The stage shown is the latest the gauge reported, with the time it reported it. Storm Station hears each gauge on its own schedule and ranks it among its state's stations by how reliably it reports: that is its 247 rank.