Maryland, US River List

Level Legend

Low

Running

High

Unknown

River Name/Section	Class	Level		Updated
Anacostia, Northwest Branch [MD] US Rte 29 (Burnt Mills) to Riggs Road (Adelphi Mill)	I-IV(V+)	96 cfs -7 cfs/hr	R1- Lower Runnable	00h32m
Antietam Creek [MD] 1) Upper: Oak Ridge Dr. to Hwy.68 (Devils Backbone Park)	I-II	2.57 ft +0.01 ft/hr	L0- Below Recom.	01h02m
Antietam Creek [MD] 2) Hwy 68 to Hwy 34	I-II	2.57 ft +0.01 ft/hr	R0- Lower Runnable	01h02m
Antietam Creek [MD] 3) Hwy.34 to Potomac River	I-II	2.57 ft +0.01 ft/hr	R0- Lower Runnable	01h02m
Bear Creek [MD] U.S. 219 to Youghiogheny River at Friendsville	IV	138 cfs + 18 cfs/hr	L4- Below Recom.	00h47m
Beaver Creek [MD] Beaver Creek Park N Ride (I-70) to Alternate Rt. 40	I(II)	2.57 ft +0.01 ft/hr	L0- Below Recom.	01h02m
Bennett Creek [MD] MD Route 355 to Monocacy River	I-II	107 cfs + 19 cfs/hr	L7- Below Recom.	00h32m
Big Elk Creek [MD] PA Route 341 to Elkton	I-II	211 cfs -6 cfs/hr	R0- Lower Runnable	00h32m
Broad Creek [MD] MD Route 136 to MD Route 623	I-II	149 cfs + 14 cfs/hr	L0- Below Recom.	01h02m
Cabin John Creek [MD] River Road to Potomac	II-III	274 cfs -9 cfs/hr	L9- Below Recom.	01h02m
Casselman, N. Branch [MD] Dung Hill Road to Maryland Route 495	I-III	203 cfs + 30 cfs/hr	L0- Below Recom.	00h47m
Casselman [MD] 1) MD Route 495 to Salisbury, Pennsylvania	I-II	203 cfs + 30 cfs/hr	R2- Lower Runnable	00h47m
Catoctin Creek [MD] US 40 to Potomac River	I-II	1.87 ft +0.01 ft/hr	L0- Below Recom.	00h32m
Conococheague Creek [MD] Wilson Bridge (US 40) to Williamsport, MD Boat Ramp	I	1.86 ft +0.01 ft/hr	L5- Below Recom.	00h32m
Conowingo Creek [MD] Oakwood to Susquehanna River	IV-V	n/a
Crabtree Creek [MD] Swanton, MD to Savage Reservoir	III-IV+	35 cfs + 3 cfs/hr	L2- Below Recom.	01h02m
Deep Creek [MD] Dam to Youghiogheny River	V	n/a
Deer Creek [MD] 1. Bond Road to MD 23	I	2.55 ft +0.05 ft/hr	L4- Below Recom.	01h02m
Deer Creek [MD] 2. Harford Creamery Rd. to Eden Mill Park boat ramp	I	2.55 ft +0.05 ft/hr	L0- Below Recom.	01h02m
Deer Creek [MD] 3. Eden Mill Dam to Rocks State Park	I-II(III)	2.55 ft +0.05 ft/hr	R3- Runnable	01h02m
Deer Creek [MD] 4. Rocks State Park to US 1, Benjamin Bridge Access	I-II(III)	2.55 ft +0.05 ft/hr	U0-	01h02m
Deer Creek [MD] 5. US Rt 1, Benjamin Bridge Access to MD 136	I-II	2.55 ft +0.05 ft/hr	R1- Lower Runnable	01h02m
Deer Creek [MD] 6. MD 136 to Susquehanna River	I-II	2.55 ft +0.05 ft/hr	R0- Lower Runnable	01h02m
Evitts Creek [MD] 1. Lake Gordon Dam (PA) to Maryland Route 144 (MD)	I-III	2.03 ft 0.00 ft/hr	L0- Below Recom.	00h47m
Evitts Creek [MD] 2. MD 144 to MD 51	I-II	2.03 ft 0.00 ft/hr	L0- Below Recom.	00h47m
Fifteen Mile Creek [MD] US Route 40 to Potomac River	I-II(III)	0.66 ft 0.00 ft/hr	L0- Below Recom.	00h17m
Flintstone Creek [MD] Flintstone Creek Road to Town Creek	I-III	21 cfs 0 cfs/hr	L0- Below Recom.	00h47m
Georges Creek [MD] Maryland Rte. 36 (Midland) to N. Branch Potomac River	III-IV	3.25 ft +0.02 ft/hr	L0- Below Recom.	00h32m
Gunpowder Falls [MD] 1 - Graves Run Rd to Prettyboy Reservoir (Gunpowder Road)	II+	28 cfs -4 cfs/hr	L6- Below Recom.	01h02m
Gunpowder Falls [MD] 2 - Prettyboy Dam to Falls Road	I-III	93 cfs + 4 cfs/hr	R1- Lower Runnable	00h17m
Gunpowder Falls [MD] 3 - Masemore Road to Monkton Road	I-II	190 cfs + 14 cfs/hr	R4- Runnable	01h02m
Gunpowder Falls [MD] 4. Monkton Road to Phoenix	I	190 cfs + 14 cfs/hr	R4- Runnable	01h02m
Gunpowder Falls [MD] 5 - Lower Loch Raven Dam to Route 1	I-II	~ 687 cfs 0 cfs/hr	R4- Runnable	00h19m
Gunpowder Falls [MD] 6 - Route 1 to U.S.40	II-III	~ 734 cfs 0 cfs/hr	R4- Runnable	00h19m
Gwynns Falls [MD] 1) Villa Nova to Woodlawn	II	381 cfs -18 cfs/hr	R6- Runnable	00h47m
Gwynns Falls [MD] 2) Gwynn Oak Ave. to Wilkens Ave (US 1)	II-III(IV)	381 cfs -18 cfs/hr	R6- Runnable	00h47m
Herring Run [MD] Echodale Ave to US 40	II-III	12 cfs + 3 cfs/hr	L9- Below Recom.	00h13m
Hunting Creek [MD] Catoctin Hollow Road to Frank Bentz Lake	III-IV+(V)	35 cfs + 1 cfs/hr	L7- Below Recom.	00h32m
Jennings Run [MD] Barrelville to Wills Creek	III+	37 cfs + 1 cfs/hr	L6- Below Recom.	01h02m
Jones Falls [MD] Lake Roland to Round Falls	I-III	n/a
Laurel Run [MD] Laurel Run	IV	3.49 ft +0.26 ft/hr	L0- Below Recom.	01h02m
Little Falls of the Gunpowder [MD] Parkton (Maryland Route 45) to Gunpowder Falls	I-III	113 cfs + 13 cfs/hr	L6- Below Recom.	01h02m
Little Gunpowder Falls [MD] 1) Bottom Rd @ Laurel Brook to Jerusalem Mill (Jerusalem Rd....	I-II	99 cfs + 14 cfs/hr	L8- Below Recom.	01h02m
Little Gunpowder Falls [MD] 2) Jerusalem Mill (Jerusalem Rd.) to U.S. Route 40	II-III	99 cfs + 14 cfs/hr	L3- Below Recom.	01h02m
Little Patuxent [MD] US Route 29 (Columbia) to US Route 1	I-IV	267 cfs + 27 cfs/hr	R0- Lower Runnable	01h02m
Little Seneca Creek [MD] Boyds to Darnestown	II(III)	414 cfs -4 cfs/hr	R1- Lower Runnable	00h27m
Long Green Creek [MD] Glen Arm Rd. to Gunpowder Falls	IV	51 cfs -15 cfs/hr	L0- Below Recom.	01h02m
Middle Creek (Catoctin Creek trib.) [MD] Wolfsville to Myersville	II-III(V)	1.87 ft +0.01 ft/hr	L0- Below Recom.	00h32m
Middle Creek (Toms Creek trib.) [MD] T318 to Harney Road	II+	134 cfs + 6 cfs/hr	L1- Below Recom.	00h47m
Middle Patuxent [MD] Carroll Mill Road to Savage Mill	I-II(IV)	4.46 ft +0.11 ft/hr	L7- Below Recom.	01h02m
Mill Run [MD] Pigs Ear Road to Yough River Lake	III-IV+	64 cfs + 6 cfs/hr	L2- Below Recom.	01h02m
Monocacy River [MD] 1. Creagerstown Park to Devilbiss Bridge Park	I	2.67 ft -0.01 ft/hr	R4- Runnable	01h46m
Monocacy River [MD] 2. Devilbiss Bridge Park to Riverbend Park	I	2.67 ft -0.01 ft/hr	R4- Runnable	01h46m
Monocacy River [MD] 3. Pinecliff Park to Buckeystown Park	I(II)	2.67 ft -0.01 ft/hr	R4- Runnable	01h46m
Monocacy River [MD] 4. Buckeystown Park to Park Mills Road	I(II)	2.67 ft -0.01 ft/hr	R4- Runnable	01h46m
Muddy Creek [MD] Cranesville Swamp Nature Preserve (Lake Ford Road) to Youghi...	I-III(V)	64 cfs + 6 cfs/hr	L5- Below Recom.	01h02m
Northeast Creek [MD] below covered bridge on Route 272	V	211 cfs -6 cfs/hr	L9- Below Recom.	00h32m
Octoraro Creek [MD] 3. New Bridge Road to Richardsmere	II	222 cfs + 20 cfs/hr	L0- Below Recom.	00h32m
Olmsted Island Creek [MD] Clara Barton Parkway to C&O Canal	V	n/a
Owens Creek [MD] 1) Lantz to Roddy Covered Bridge	II-IV	35 cfs + 1 cfs/hr	L7- Below Recom.	00h32m
Owens Creek [MD] 2) Rocky Ridge Road (Hwy.77) to Monocacy River	I-II	35 cfs + 1 cfs/hr	L0- Below Recom.	00h32m
Patapsco, S. Branch [MD] 1. Woodbine to Henryton Rd.	II+(III)	~ 240 cfs + 3 cfs/hr	L9- Below Recom.	00h25m
Patapsco, S. Branch [MD] 2. Marriottsville Rd to Patapsco, N. Branch confluence	I-III(IV)	~ 232 cfs + 31 cfs/hr	L7- Below Recom.	01h04m
Patapsco [MD] 1. N. Br./S. Br. confluence to Daniels river access	I	288 cfs + 5 cfs/hr	R1- Lower Runnable	01h02m
Patapsco [MD] 2. Daniels river access (below Dam) to Elkridge	I-III	~ 288 cfs + 5 cfs/hr	R3- Runnable	01h02m
Piney Run [MD] Arrington Road to Marriottsville	I-III(IV)	57 cfs + 7 cfs/hr	R0- Lower Runnable	01h17m
Potomac, North Branch [MD] 1. Henry, WV to Gormania, WV	I-III	3.49 ft +0.26 ft/hr	L1- Below Recom.	01h02m
Potomac, North Branch [MD] 2. Gormania, WV to Kitzmiller, MD	III-IV	3.49 ft +0.26 ft/hr	L4- Below Recom.	01h02m
Potomac, North Branch [MD] 3. Kitzmiller, MD to Jennings Randolph Lake	II-III	3.49 ft +0.26 ft/hr	L9- Below Recom.	01h02m
Potomac, North Branch [MD] 4. Barnum, WV to Bloomington, MD	II(III)	170 cfs 0 cfs/hr	L0- Below Recom.	01h02m
Potomac, North Branch [MD] 5. Bloomington, MD to Keyser, WV	I-II	244 cfs 0 cfs/hr	L4- Below Recom.	00h17m
Potomac, North Branch [MD] 6. Black Oak River Access Nr. McCoole, MD to Pinto, MD	I	244 cfs 0 cfs/hr	L3- Below Recom.	00h17m
Potomac, North Branch [MD] 7. Pinto, MD to Upper Potomac Industrial Park (upstream of C...	I	244 cfs 0 cfs/hr	L3- Below Recom.	00h17m
Potomac, North Branch [MD] 8. Wiley's Ford, WV to Oldtown Toll Bridge	I	244 cfs 0 cfs/hr	L3- Below Recom.	00h17m
Potomac [MD] 0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground	I	3.91 ft 0.00 ft/hr	R4- Runnable	01h02m
Potomac [MD] 0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan...	I	3.91 ft 0.00 ft/hr	R4- Runnable	01h02m
Potomac [MD] 0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD	I	3.11 ft 0.00 ft/hr	R3- Runnable	01h02m
Potomac [MD] 0.4 Big Pool Campground to Williamsport MD	I	3.11 ft 0.00 ft/hr	R3- Runnable	01h02m
Potomac [MD] 0.5 Dam # 4 to Shepherdstown WV	I	3.11 ft 0.00 ft/hr	R3- Runnable	01h02m
Potomac [MD] 0.6 Shepherdstown, WV to Dargans Bend Boat Ramp	I	3.11 ft 0.00 ft/hr	R3- Runnable	01h02m
Potomac [MD] 0.7 - Potomac - Dargans Bend Boat Ramp to Potoma Wayside	II+	3.11 ft 0.00 ft/hr	R3- Runnable	01h02m
Potomac [MD] 0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD	I-II	3.11 ft 0.00 ft/hr	R3- Runnable	01h02m
Potomac [MD] 0.9 Point of Rocks to Mouth of Monocacy	I	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 1. Mouth of Monocacy to Riley's Lock Boat Ramp	I	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 2. GW Canal Loop or Violette's Lock to Pennyfield Lock	I-II	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 3. Great Falls (Center Lines)	V+	3.11 ft 0.00 ft/hr	L2- Below Recom.	00h32m
Potomac [MD] 3. Great Falls (Fish Ladder)	IV-V(V+)	3.11 ft 0.00 ft/hr	L7- Below Recom.	00h32m
Potomac [MD] 3. Great Falls (MD Lines)	V+	3.11 ft 0.00 ft/hr	R5- Runnable	00h32m
Potomac [MD] 3. Great Falls (VA Lines)	V	3.11 ft 0.00 ft/hr	R3- Runnable	00h32m
Potomac [MD] 3. Through Great Falls (several runs)	V+	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 4. Sandy Beach/O-Deck to Anglers Inn	II-III(IV)	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 5. Anglers Inn to Lock 10	II	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 6. Lock 10 to Sycamore Island	I	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Potomac [MD] 7. Little Falls	II-III(IV)	3.11 ft 0.00 ft/hr	R4- Runnable	00h32m
Rock Creek [MD] 1. Rockville to Beach Dr. Near DC/MD line.	I(II)	274 cfs -9 cfs/hr	R3- Runnable	01h02m
Rock Creek [MD] 2. Beach Dr. below East-West Hwy to Potomac River in D.C.	I-III	274 cfs -9 cfs/hr	R3- Runnable	01h02m
Savage [MD] 1. Avilton Lonaconing Road to Head of Savage Reservoir	II(IV)	35 cfs + 3 cfs/hr	L0- Below Recom.	01h02m
Savage [MD] 2. Savage Dam to North Branch Potomac River	III-IV	45 cfs 0 cfs/hr	L0- Below Recom.	01h02m
Seneca Creek [MD] Black Rock Mill to Riley's Lock Boat Ramp	I-II	414 cfs -4 cfs/hr	R8- Upper Runnable	00h27m
Sideling Hill Creek [MD] Purcell Penn.(sr 2011)to the Potomac river	I-II	0.66 ft 0.00 ft/hr	L0- Below Recom.	00h17m
Town Creek [MD] 1. Chaneysville to I-68 (Maryland)	I-II	2.03 ft 0.00 ft/hr	L8- Below Recom.	00h47m
Town Creek [MD] 2. I-68 to Potomac River	I	21 cfs 0 cfs/hr	L0- Below Recom.	00h47m
Wills Creek [MD] Ellerslie to Eckhart Junction	I-II	37 cfs + 1 cfs/hr	L0- Below Recom.	01h02m
Winters Run [MD] Pleasantville Road to Maryland Route 7	I-II	140 cfs -11 cfs/hr	L0- Below Recom.	01h02m
Youghiogheny [MD] 0. US Route 50 to Millers Run	I-II	64 cfs + 6 cfs/hr	R0- Lower Runnable	01h02m
Youghiogheny [MD] 1. Tippy-Top	IV	953 cfs + 111 cfs/hr	R8- Upper Runnable	01h02m
Youghiogheny [MD] 2. Top	IV-V	953 cfs + 111 cfs/hr	R8- Upper Runnable	01h02m
Youghiogheny [MD] 3. Upper	IV-V	3.50 ft +0.11 ft/hr	R6- Runnable	00h32m

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Maryland, US River List