Maryland has 151 gauges on this page. 4 are reading below normal for the date and 6 above. Low and high readings are fairly evenly spread.
The main rivers covered are the Potomac River, Youghiogheny River, Monocacy River and North Branch Potomac River. The list also includes 6 lakes and reservoirs. Fall is often a low point for rivers after the summer, until steady rain returns.
| Gauge | Level | Compared with normal | 24 hours | Updated |
|---|---|---|---|---|
| Deep Creek Lake near ThayervilleLake, Deep Creek Lake | 2,460.06 ft | No reference yet | −0.08 ft | 1 hour ago |
| Jennings Randolph Lake near Elk GardenLake, Jennings Randolph Lake | 1,458.27 ft | No reference yet | +0.25 ft | 1 hour ago |
| Lake Serene at EdgewoodLake, Lake Serene | 53.09 ft | No reference yet | +0.15 ft | 31 min ago |
| Little Deer Creek Reservoir near ShawsvilleReservoir, Little Deer Creek Reservoir | 513.19 ft | No reference yet | ±0 | 27 hours ago |
| Savage River Reservoir near BloomingtonReservoir, Savage River Reservoir | 1,447.11 ft | No reference yet | +0.04 ft | 1 hour ago |
| St Marys Lake near CallawayLake, St Marys Lake | 58.96 ft | No reference yet | +0.06 ft | 1 hour ago |
| Bear Creek at FriendsvilleRiver gauge, Bear Creek | 72.7 cfs | Very high | −2.4 cfs | 46 min ago |
| Foster Branch near JoppatowneRiver gauge, Foster Branch | 2.2 cfs | Very high | +1.6 cfs | 41 min ago |
| Little Seneca Creek Tributary near ClarksburgRiver gauge, Little Seneca Creek Tributary | 0.1 cfs | Very low | ±0 | 1 hour ago |
| Youghiogheny River at FriendsvilleRiver gauge, Youghiogheny River | 516 cfs | Very high | −347.0 cfs | 31 min ago |
| Youghiogheny River near OaklandRiver gauge, Youghiogheny River | 342 cfs | Very high | +37.0 cfs | 1 hour ago |
| Birch Branch at ShowellRiver gauge, Birch Branch | 1.1 cfs | Low | ±0 | 2 hours ago |
| Manokin Branch near Princess AnneRiver gauge, Manokin Branch | 3.4 cfs | High | +0.6 cfs | 1 hour ago |
| Pond Branch at Oregon RidgeRiver gauge, Pond Branch | 0.0 cfs | Low | ±0 | 36 min ago |
| Savage River near BartonRiver gauge, Savage River | 38.9 cfs | High | −6.0 cfs | 1 hour ago |
| South Fork Jabez Branch at MillersvilleRiver gauge, South Fork Jabez Branch | 0.2 cfs | Low | +0.1 cfs | 1 hour ago |
| Antietam Creek near SharpsburgRiver gauge, Antietam Creek | 2.46 ft | Below flood stage | −0.01 ft | 46 min ago |
| Antietam Creek near WaynesboroRiver gauge, Antietam Creek | 2.22 ft | Below flood stage | −0.03 ft | 2 hours ago |
| Arrowhead Run at ThayervilleRiver gauge, Arrowhead Run | 1.2 cfs | Normal | +0.1 cfs | 1 hour ago |
| Baisman Run at BroadmoorRiver gauge, Baisman Run | 1.11 ft | Below flood stage | ±0 | 56 min ago |
| Beaver Run near FinksburgRiver gauge, Beaver Run | 0.55 ft | Below flood stage | +0.04 ft | 1 hour ago |
| Beaverdam Run at CockeysvilleRiver gauge, Beaverdam Run | 3.14 ft | Below flood stage | +0.16 ft | 51 min ago |
| Beetree Run at Bentley SpringsRiver gauge, Beetree Run | 0.68 ft | Below flood stage | +0.02 ft | 1 hour ago |
| Bennett Creek at Park MillsRiver gauge, Bennett Creek | 1.76 ft | Below flood stage | +0.04 ft | 31 min ago |
| Big Elk Creek at Elk MillsRiver gauge, Big Elk Creek | 3.68 ft | Below flood stage | +0.22 ft | 2 hours ago |
| Big Pipe Creek at BrucevilleRiver gauge, Big Pipe Creek | 1.26 ft | Below flood stage | +0.16 ft | 1 hour ago |
| Bynum Run at Bel AirRiver gauge, Bynum Run | 0.77 ft | Below flood stage | +0.08 ft | 1 hour ago |
| Cabin Branch near BoydsRiver gauge, Cabin Branch | 0.9 cfs | Normal | ±0 | 1 hour ago |
| Casselman River at GrantsvilleRiver gauge, Casselman River | 1.46 ft | Below flood stage | ±0 | 46 min ago |
| Catoctin Creek near MiddletownRiver gauge, Catoctin Creek | 1.66 ft | Below flood stage | −0.02 ft | 31 min ago |
| Cattail Creek near GlenwoodRiver gauge, Cattail Creek | 16.3 cfs | Normal | +1.6 cfs | 31 min ago |
| Cherry Creek at State Park Road near McHenryRiver gauge, Cherry Creek | 18.7 cfs | Normal | +4.8 cfs | 1 hour ago |
| Ches Bay at Mouth of Susq R at Havre de GraceTidal gauge, Ches Bay | −1.58 ft | Below flood stage | −3.47 ft | 1 hour ago |
| Chicamacomico River near SalemRiver gauge, Chicamacomico River | 7.5 cfs | Normal | +1.2 cfs | 1 hour ago |
| Choptank River near GreensboroRiver gauge, Choptank River | 30.9 cfs | Normal | +5.7 cfs | 1 hour ago |
| Conococheague Creek at FairviewRiver gauge, Conococheague Creek | 2.07 ft | Below flood stage | −0.12 ft | 2 hours ago |
| Cranberry Branch near WestminsterRiver gauge, Cranberry Branch | 1.24 ft | Below flood stage | ±0 | 46 min ago |
| Dead Run at FranklintownRiver gauge, Dead Run | 0.54 ft | Below flood stage | +0.11 ft | 36 min ago |
| Dead Run at WoodlawnRiver gauge, Dead Run | 0.38 ft | Below flood stage | +0.08 ft | 41 min ago |
| Dead Run near CatonsvilleRiver gauge, Dead Run | 0.37 ft | Below flood stage | +0.01 ft | 41 min ago |
| Dead Run Tributary at WoodlawnRiver gauge, Dead Run Tributary | 2.82 ft | Below flood stage | +0.01 ft | 41 min ago |
| Dead Run Tributary near WoodlawnRiver gauge, Dead Run Tributary | 0.22 ft | Below flood stage | +0.06 ft | 41 min ago |
| Deer Creek at RocksRiver gauge, Deer Creek | 2.21 ft | Below flood stage | +0.14 ft | 1 hour ago |
| Deer Creek near DarlingtonRiver gauge, Deer Creek | 1.60 ft | Below flood stage | +0.26 ft | 1 hour ago |
| East Branch Herbert Run at ArbutusRiver gauge, East Branch Herbert Run | 0.97 ft | Below flood stage | +0.10 ft | 36 min ago |
| Georges Creek at FranklinRiver gauge, Georges Creek | 2.17 ft | Below flood stage | −0.06 ft | 31 min ago |
| Georges Run near BeckleysvilleRiver gauge, Georges Run | 0.30 ft | Below flood stage | +0.06 ft | 1 hour ago |
| Grave Run near BeckleysvilleRiver gauge, Grave Run | −0.59 ft | Below flood stage | +0.02 ft | 1 hour ago |
| Gunpowder Falls at GlencoeRiver gauge, Gunpowder Falls | 1.02 ft | Below flood stage | +0.13 ft | 56 min ago |
| Gunpowder Falls at HoffmanvilleRiver gauge, Gunpowder Falls | 1.25 ft | Below flood stage | +0.09 ft | 1 hour ago |
| Gunpowder Falls near ParktonRiver gauge, Gunpowder Falls | 1.50 ft | Below flood stage | +0.01 ft | 1 hour ago |
| Gwynns Falls at Villa NovaRiver gauge, Gwynns Falls | 1.03 ft | Below flood stage | +0.16 ft | 46 min ago |
| Gwynns Falls at Washington Blvd at BaltimoreRiver gauge, Gwynns Falls | 2.91 ft | Below flood stage | +0.40 ft | 56 min ago |
| Gwynns Falls near DelightRiver gauge, Gwynns Falls | 0.17 ft | Below flood stage | +0.03 ft | 26 min ago |
| Hawlings River near Sandy SpringRiver gauge, Hawlings River | 0.70 ft | Below flood stage | +0.17 ft | 31 min ago |
| Herring Run at Sinclair Lane at BaltimoreRiver gauge, Herring Run | 46.6 cfs | Normal | +15.4 cfs | 26 min ago |
| Honeygo Run near White MarshRiver gauge, Honeygo Run | 0.60 ft | Below flood stage | +0.06 ft | 26 min ago |
| James Run near BelcampRiver gauge, James Run | 3.20 ft | Below flood stage | +0.15 ft | 46 min ago |
| Jones Falls at SorrentoRiver gauge, Jones Falls | 7.91 ft | Below flood stage | +0.06 ft | 1 hour ago |
| Licking Creek at PectonvilleRiver gauge, Licking Creek | 1.96 ft | Below flood stage | −0.05 ft | 1 hour ago |
| Little Falls at Blue MountRiver gauge, Little Falls | 0.23 ft | Below flood stage | +0.10 ft | 1 hour ago |
| Little Gunpowder Falls at Laurel BrookRiver gauge, Little Gunpowder Falls | 1.33 ft | Below flood stage | +0.24 ft | 1 hour ago |
| Little Patuxent River at GuilfordRiver gauge, Little Patuxent River | 2.79 ft | Below flood stage | +0.66 ft | 1 hour ago |
| Little Patuxent River at SavageRiver gauge, Little Patuxent River | 3.88 ft | Below flood stage | +0.71 ft | 1 hour ago |
| Little Seneca Creek Tributary at BrinkRiver gauge, Little Seneca Creek Tributary | 0.3 cfs | Normal | +0.1 cfs | 1 hour ago |
| Little Seneca Creek Tributary near GermantownRiver gauge, Little Seneca Creek Tributary | 0.8 cfs | Normal | ±0 | 1 hour ago |
| Long Green Creek at Glen ArmRiver gauge, Long Green Creek | 1.05 ft | Below flood stage | +0.03 ft | 1 hour ago |
| Long Quarter Branch at LuthervilleRiver gauge, Long Quarter Branch | 1.05 ft | Below flood stage | ±0 | 46 min ago |
| Marsh Run at GrimesRiver gauge, Marsh Run | 1.08 ft | Below flood stage | −0.04 ft | 1 hour ago |
| Mattawoman Creek near PomonkeyRiver gauge, Mattawoman Creek | 2.66 ft | Below flood stage | +0.40 ft | 26 min ago |
| Minebank Run near Glen ArmRiver gauge, Minebank Run | 4.20 ft | Below flood stage | +0.08 ft | 27 min ago |
| Monocacy River at BridgeportRiver gauge, Monocacy River | 2.78 ft | Below flood stage | −0.37 ft | 46 min ago |
| Monocacy River at Jug Bridge near FrederickRiver gauge, Monocacy River | 2.41 ft | Below flood stage | +0.05 ft | 46 min ago |
| Monocacy River at Monocacy Blvd at FrederickRiver gauge, Monocacy River | 2.09 ft | Below flood stage | ±0 | 1 hour ago |
| Morgan Creek near KennedyvilleRiver gauge, Morgan Creek | 9.1 cfs | Normal | +5.3 cfs | 2 hours ago |
| Morgan Run near LouisvilleRiver gauge, Morgan Run | 1.46 ft | Below flood stage | +0.03 ft | 1 hour ago |
| Nassawango Creek near Snow HillRiver gauge, Nassawango Creek | 2.70 ft | Below flood stage | +0.40 ft | 46 min ago |
| North Branch Patapsco River at CedarhurstRiver gauge, North Branch Patapsco River | 28.1 cfs | Normal | +9.6 cfs | 1 hour ago |
| North Branch Potomac River at KitzmillerRiver gauge, North Branch Potomac River | 3.32 ft | Below flood stage | −0.05 ft | 1 hour ago |
| North Branch Potomac River at LukeRiver gauge, North Branch Potomac River | 2.04 ft | Below flood stage | ±0 | 1 hour ago |
| North Branch Potomac River at SteyerRiver gauge, North Branch Potomac River | 2.98 ft | Below flood stage | −0.02 ft | 1 hour ago |
| North Branch Potomac River near CumberlandRiver gauge, North Branch Potomac River | 2.83 ft | Below flood stage | −0.03 ft | 1 hour ago |
| North Glade Run near SwantonRiver gauge, North Glade Run | 3.5 cfs | Normal | −0.7 cfs | 1 hour ago |
| Northeast Branch Anacostia River at RiverdaleRiver gauge, Northeast Branch Anacostia River | 0.89 ft | Below flood stage | +0.41 ft | 41 min ago |
| Northwest Branch Anacostia River near ColesvilleRiver gauge, Northwest Branch Anacostia River | 1.65 ft | Below flood stage | +0.19 ft | 31 min ago |
| Octoraro Creek near RichardsmereRiver gauge, Octoraro Creek | 142 cfs | Normal | +13.0 cfs | 31 min ago |
| Paint Branch near College ParkRiver gauge, Paint Branch | 1.75 ft | Below flood stage | +0.21 ft | 41 min ago |
| Paint Branch Tributary near ColesvilleRiver gauge, Paint Branch Tributary | 1.64 ft | Below flood stage | +0.08 ft | 26 min ago |
| Patapsco River at HollofieldRiver gauge, Patapsco River | 1.80 ft | Below flood stage | +0.11 ft | 1 hour ago |
| Patapsco River near CatonsvilleRiver gauge, Patapsco River | 10.81 ft | Below flood stage | +0.25 ft | 46 min ago |
| Patapsco River near ElkridgeRiver gauge, Patapsco River | 5.83 ft | Below flood stage | +0.22 ft | 1 hour ago |
| Patuxent River below Brighton Dam near Brighton MDRiver gauge, Patuxent River | 1.50 ft | Below flood stage | ±0 | 2 hours ago |
| Patuxent River near BowieRiver gauge, Patuxent River | 5.78 ft | Below flood stage | +1.27 ft | 31 min ago |
| Patuxent River near LaurelRiver gauge, Patuxent River | 4.29 ft | Below flood stage | ±0 | 1 hour ago |
| Patuxent River near UnityRiver gauge, Patuxent River | 2.22 ft | Below flood stage | +0.02 ft | 1 hour ago |
| Piney Run at DoverRiver gauge, Piney Run | 1.56 ft | Below flood stage | +0.07 ft | 31 min ago |
| Piscataway Creek at PiscatawayRiver gauge, Piscataway Creek | 2.88 ft | Below flood stage | +0.47 ft | 46 min ago |
| Plumtree Run near Bel AirRiver gauge, Plumtree Run | 1.25 ft | Below flood stage | +0.09 ft | 51 min ago |
| Pocomoke River near WillardsRiver gauge, Pocomoke River | 20.5 cfs | Normal | +0.7 cfs | 2 hours ago |
| Potomac River at Edwards Ferry near PoolesvilleRiver gauge, Potomac River | 5.34 ft | Below flood stage | −0.63 ft | 2 hours ago |
| Potomac River at HancockRiver gauge, Potomac River | 5.12 ft | Below flood stage | +0.01 ft | 1 hour ago |
| Potomac River at Paw PawRiver gauge, Potomac River | 6.43 ft | Below flood stage | −0.07 ft | 1 hour ago |
| Potomac River at Point of RocksRiver gauge, Potomac River | 2.81 ft | Below flood stage | −0.55 ft | 1 hour ago |
| Potomac River near Wash, Dc Little Falls Pump StationRiver gauge, Potomac River | 3.81 ft | Below flood stage | −0.21 ft | 26 min ago |
| Sallie Harris Creek near CarmichaelRiver gauge, Sallie Harris Creek | 6.7 cfs | Normal | +4.1 cfs | 2 hours ago |
| Savage River below Savage River Dam near BloomingtonRiver gauge, Savage River | 74.2 cfs | Normal | ±0 | 1 hour ago |
| Sawmill Creek at Glen BurnieRiver gauge, Sawmill Creek | 1.93 ft | Below flood stage | +0.04 ft | 31 min ago |
| Scotts Level Branch at RockdaleRiver gauge, Scotts Level Branch | 0.76 ft | Below flood stage | +0.03 ft | 1 hour ago |
| Seneca Creek at DawsonvilleRiver gauge, Seneca Creek | 2.25 ft | Below flood stage | +0.12 ft | 26 min ago |
| Sideling Hill Creek near BellegroveRiver gauge, Sideling Hill Creek | 0.71 ft | Below flood stage | −0.08 ft | 1 hour ago |
| Sligo Creek near Takoma ParkRiver gauge, Sligo Creek | 1.01 ft | Below flood stage | +0.35 ft | 31 min ago |
| Soper Branch at HyattstownRiver gauge, Soper Branch | 0.5 cfs | Normal | +0.1 cfs | 1 hour ago |
| St Clements Creek near ClementsRiver gauge, St Clements Creek | 1.46 ft | Below flood stage | +1.26 ft | 1 hour ago |
| St Marys River at Great MillsRiver gauge, St Marys River | 2.24 ft | Below flood stage | +0.56 ft | 1 hour ago |
| Susquehanna River at ConowingoRiver gauge, Susquehanna River | 10.72 ft | Below flood stage | −2.61 ft | 41 min ago |
| Swan Creek at Swan CreekRiver gauge, Swan Creek | 3.27 ft | Below flood stage | +0.26 ft | 1 hour ago |
| Tenmile Creek near BoydsRiver gauge, Tenmile Creek | 2.20 ft | Below flood stage | ±0 | 46 min ago |
| Tenmile Creek near ClarksburgRiver gauge, Tenmile Creek | 2.92 ft | Below flood stage | +0.01 ft | 1 hour ago |
| Tonoloway Creek near HancockRiver gauge, Tonoloway Creek | 31.1 cfs | Normal | −8.9 cfs | 2 hours ago |
| Town Creek near OldtownRiver gauge, Town Creek | 2.11 ft | Below flood stage | −0.04 ft | 1 hour ago |
| Tributary to Dead Run Tributary at WoodlawnRiver gauge, Tributary to Dead Run Tributary | 0.60 ft | Below flood stage | +0.03 ft | 1 hour ago |
| Tuckahoe Creek near RuthsburgRiver gauge, Tuckahoe Creek | 37.7 cfs | Normal | +10.4 cfs | 2 hours ago |
| Turkey Branch near RockvilleRiver gauge, Turkey Branch | 4.36 ft | Below flood stage | +0.03 ft | 31 min ago |
| Unicorn Branch near MillingtonRiver gauge, Unicorn Branch | 10.9 cfs | Normal | +3.2 cfs | 1 hour ago |
| West Branch Herring Run at IdlewyldeRiver gauge, West Branch Herring Run | 1.08 ft | Below flood stage | +0.14 ft | 1 hour ago |
| Western Branch at Upper MarlboroRiver gauge, Western Branch | 2.74 ft | Below flood stage | +0.88 ft | 1 hour ago |
| Western Run at Western RunRiver gauge, Western Run | 1.17 ft | Below flood stage | +0.22 ft | 41 min ago |
| Wheel Creek near AbingdonRiver gauge, Wheel Creek | 1.0 cfs | Normal | +0.4 cfs | 26 min ago |
| Whitemarsh Run at White MarshRiver gauge, Whitemarsh Run | 3.28 ft | Below flood stage | +0.30 ft | 46 min ago |
| Whitemarsh Run near FullertonRiver gauge, Whitemarsh Run | 1.28 ft | Below flood stage | +0.02 ft | 26 min ago |
| Wills Creek near CumberlandRiver gauge, Wills Creek | 2.44 ft | Below flood stage | −0.10 ft | 1 hour ago |
| Winters Run near Bel AirRiver gauge, Winters Run | 1.44 ft | Below flood stage | +0.13 ft | 31 min ago |
| Winters Run near BensonRiver gauge, Winters Run | 1.48 ft | Below flood stage | +0.15 ft | 1 hour ago |
| Youghiogheny River near McHenryRiver gauge, Youghiogheny River | 551 cfs | Normal | −352.0 cfs | 2 hours ago |
| Zekiah Swamp Run near NewtownRiver gauge, Zekiah Swamp Run | 1.74 ft | Below flood stage | +0.62 ft | 1 hour ago |
| Beaverdam Creek near CheverlyRiver gauge, Beaverdam Creek | 0.65 ft | No reference yet | −1.86 ft | 1 hour ago |
| Bottle Branch at BerlinRiver gauge, Bottle Branch | 1.55 ft | No reference yet | −0.05 ft | 1 hour ago |
| Bynum Run near AbingdonRiver gauge, Bynum Run | 2.93 ft | No reference yet | +0.20 ft | 2 hours ago |
| Chesterville Branch near CrumptonRiver gauge, Chesterville Branch | 1.88 ft | No reference yet | +0.30 ft | 1 hour ago |
| Deer Creek at Eden Mill Dam near PylesvilleRiver gauge, Deer Creek | 348.91 ft | No reference yet | +0.05 ft | 1 hour ago |
| Fishing Creek at MountaindaleRiver gauge, Fishing Creek | 0.69 ft | No reference yet | +0.02 ft | 1 hour ago |
| Linganore Creek at Linganore Road near FrederickRiver gauge, Linganore Creek | 1.86 ft | No reference yet | +0.18 ft | 1 hour ago |
| McIntosh Run near LeonardtownRiver gauge, McIntosh Run | 1.94 ft | No reference yet | +1.00 ft | 31 min ago |
| Monocacy River near DickersonRiver gauge, Monocacy River | 2.03 ft | No reference yet | +0.03 ft | 46 min ago |
| Moores Run at Radecke Ave at BaltimoreRiver gauge, Moores Run | 1.51 ft | No reference yet | +0.12 ft | 59 min ago |
| Northwest Branch Anacostia River at BrentwoodRiver gauge, Northwest Branch Anacostia River | 1.64 ft | No reference yet | +0.55 ft | 36 min ago |
| Potomac River at Burkittsville Road at BrunswickRiver gauge, Potomac River | 3.59 ft | No reference yet | −0.36 ft | 1 hour ago |
| Potomac River at Harpers FerryRiver gauge, Potomac River | 2.62 ft | No reference yet | −0.50 ft | 31 min ago |
| Red Run near Owings MillsRiver gauge, Red Run | 1.22 ft | No reference yet | +0.08 ft | 1 hour ago |
| Sams Creek at McKinstrys MillRiver gauge, Sams Creek | 1.54 ft | No reference yet | +0.03 ft | 41 min ago |
| Youghiogheny River near Swallow Falls ParkRiver gauge, Youghiogheny River | 3.05 ft | No reference yet | +0.08 ft | 46 min ago |
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