• Level Legend
  • Low
  • Running
  • High
  • Unknown
  • Unknown
     
Anacostia, Northwest Branch [MD]
US Rte 29 (Burnt Mills) to Riggs Road (Adelphi Mill)
I-IV(V+) 14cfs
+0cfs/hr
L7-
Below Recom.

00h32m
Anacostia [MD]
Aquatic Garden Run (Hyattsville [38th St.] to Anacostia River Trail above Benning Rd.)
I n/a

Antietam Creek [MD]
1) Oak Ridge Dr. to MD.68 (Devils Backbone Park) (Upper Antietam)
I-II 3.31ft
+0.00ft/hr
R1-
Lower Runnable

00h47m
Antietam Creek [MD]
2) MD 68 (Devil's Backbone Park) to MD 34 (Middle Antietam)
I-II 3.31ft
+0.00ft/hr
R4-
Runnable

00h47m
Antietam Creek [MD]
3) MD.34 to Potomac River (Lower Antietam/Burnside Bridge Section)
I-II 3.31ft
+0.00ft/hr
R4-
Runnable

00h47m
Bear Creek [MD]
U.S. 219 to Youghiogheny River at Friendsville
IV 80cfs
-1cfs/hr
L2-
Below Recom.

00h47m
Beaver Creek [MD]
Beaver Creek Park N Ride (I-70) to Alternate Rt. 40 (Upper Beaver)
I(II) 3.31ft
+0.00ft/hr
L0-
Below Recom.

00h47m
Bennett Creek [MD]
MD Route 355 to Monocacy River
I-II 72cfs
+0cfs/hr
L2-
Below Recom.

00h32m
Big Elk Creek [MD]
PA Route 841 to Elkton Rd., Elkton, MD
I-II 96cfs
+0cfs/hr
L1-
Below Recom.

00h32m
Broad Creek [MD]
MD Route 136 to MD Route 623
I-II 178cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Cabin John Creek [MD]
River Road to Potomac
II-III 52cfs
+0cfs/hr
L7-
Below Recom.

01h02m
Casselman, N. Branch [MD]
Dung Hill Road to Maryland Route 495
I-III 145cfs
+0cfs/hr
L0-
Below Recom.

00h47m
Casselman [MD]
1) MD Route 495/Maple Grove Rd to Salisbury, Pennsylvania
I-II 145cfs
+0cfs/hr
R0-
Lower Runnable

00h47m
Catoctin Creek [MD]
US 40 (Doubs Meadow Park) to Potomac River
I-II 2.12ft
+0.00ft/hr
L6-
Below Recom.

00h32m
Conococheague Creek [MD]
Wilson Bridge (US 40) to Williamsport, MD Boat Ramp
I 3.42ft
-0.01ft/hr
R4-
Runnable

00h32m
Conowingo Creek [MD]
Pilot Town Rd., Oakwood, MD to Mt. Zoar Rd. at Susquehanna R...
IV-V n/a

Crabtree Creek [MD]
Swanton, MD to Savage Reservoir
III-IV+ 70cfs
+0cfs/hr
L3-
Below Recom.

01h02m
Deep Creek [MD]
Dam to Youghiogheny River
V n/a

Deer Creek [MD]
0.5. Bond Road to MD 23 (Upper Deer Creek)
I 2.64ft
+0.00ft/hr
L2-
Below Recom.

01h02m
Deer Creek [MD]
1. Harford Creamery Rd. to Eden Mill Park boat ramp
I 2.64ft
+0.00ft/hr
R0-
Lower Runnable

01h02m
Deer Creek [MD]
2. Eden Mill Dam to Rocks State Park
I-II(III) 2.64ft
+0.00ft/hr
R3-
Runnable

01h02m
Deer Creek [MD]
3. Rocks State Park to Walters Mill River Access
I-II(III) 2.64ft
+0.00ft/hr
R1-
Lower Runnable

01h02m
Deer Creek [MD]
4. Walters Mill River Access to Sandy Hook Rd./Deer Creek Co...
I-II 2.64ft
+0.00ft/hr
R1-
Lower Runnable

01h02m
Deer Creek [MD]
5. Sandy Hook Rd./Deer Creek Conservation area to MD 136
I-II 2.64ft
+0.00ft/hr
R3-
Runnable

01h02m
Deer Creek [MD]
6. MD 136 to Susquehanna River
I-II 2.64ft
+0.00ft/hr
R3-
Runnable

01h02m
Evitts Creek [MD]
1. Lake Gordon Dam (PA) to Maryland Route 144 (MD)
I-III 3.34ft
-0.01ft/hr
L0-
Below Recom.

01h02m
Evitts Creek [MD]
2. MD 144 to MD 51
I-II 3.34ft
-0.01ft/hr
L0-
Below Recom.

01h02m
Fifteen Mile Creek [MD]
US Route 40 to Potomac River
I-II(III) 1.56ft
-0.01ft/hr
L0-
Below Recom.

00h18m
Flintstone Creek [MD]
Flintstone Creek Road, PA to Town Creek, MD
I-III 220cfs
-3cfs/hr
L0-
Below Recom.

01h02m
Georges Creek [MD]
Maryland Rte. 36 (Midland) to N. Branch Potomac River
III-IV 4.07ft
+0.00ft/hr
L0-
Below Recom.

00h32m
Gunpowder Falls [MD]
1 - Graves Run Rd to Prettyboy Reservoir (Gunpowder Road) (Top Gunpowder)
II+ 16cfs
+0cfs/hr
L3-
Below Recom.

01h02m
Gunpowder Falls [MD]
2 - Prettyboy Dam to Falls Road or Masemore Rd. (Gunpowder Gorge)
I-III 129cfs
+0cfs/hr
R4-
Runnable

00h18m
Gunpowder Falls [MD]
3 - Masemore Road to Monkton Road (Upper Gunpowder)
I-II 200cfs
+0cfs/hr
R4-
Runnable

00h20m
Gunpowder Falls [MD]
4. Monkton Road to Phoenix (Upper Gunpowder - Glencoe Section)
I 270cfs
+0cfs/hr
R4-
Runnable

00h56m
Gunpowder Falls [MD]
5 - Notchcliff Rd. to Route 1 (Middle Gunpowder)
I-II ~ 379cfs
+0cfs/hr
R4-
Runnable

00h15m
Gunpowder Falls [MD]
6 - Route 1 to U.S.40 or Mariner Point (Lower Gunpowder)
II-III ~ 387cfs
+0cfs/hr
R3-
Runnable

00h15m
Gwynns Falls [MD]
1) Essex Rd. near Liberty Rd. to Purnell Dr. off Forest Park...
II 35cfs
+0cfs/hr
L0-
Below Recom.

00h47m
Gwynns Falls [MD]
2) Purnell Dr. off Forest Park Ave. to Washington Blvd. (Alt...
II-III(IV) 35cfs
+0cfs/hr
L0-
Below Recom.

00h47m
Herring Run [MD]
Echodale Ave to US 40
II-III 34cfs
-2cfs/hr
L9-
Below Recom.

00h26m
Hunting Creek [MD]
Catoctin Hollow Road to Frank Bentz Lake (Big Hunting)
III-IV+(V) 83cfs
+0cfs/hr
L6-
Below Recom.

00h32m
Jennings Run [MD]
Barrelville to Wills Creek
III+ 329cfs
-4cfs/hr
L7-
Below Recom.

01h02m
Jones Falls [MD]
Lake Roland to Round Falls
I-III n/a

Laurel Run [MD]
Laurel Run
IV 4.15ft
+0.00ft/hr
L2-
Below Recom.

00h32m
Little Falls of the Gunpowder [MD]
Parkton (Maryland Route 45) to Big Gunpowder Falls
I-III 94cfs
+0cfs/hr
L8-
Below Recom.

01h02m
Little Gunpowder Falls [MD]
1) Bottom Rd @ Laurel Brook to Jerusalem Mill (Jerusalem Rd....
I-II 69cfs
+0cfs/hr
L8-
Below Recom.

01h02m
Little Gunpowder Falls [MD]
2) Jerusalem Mill (Jerusalem Rd.) to U.S. Route 40
II-III 69cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Little Seneca Creek [MD]
Boyds to Darnestown
II(III) 125cfs
+3cfs/hr
L0-
Below Recom.

00h26m
Long Green Creek [MD]
Glen Arm Rd. to Gunpowder Falls
IV 15cfs
-0cfs/hr
L0-
Below Recom.

01h02m
Marsh Creek [MD]
Cunningham Road near Bus US 15 Southwest of Gettysburg, PA t...
II-III ~ 114cfs
+0cfs/hr
L0-
Below Recom.

00h47m
Middle Creek (Catoctin Creek trib.) [MD]
Wolfsville to Myersville (Upper Catoctin creek)
II-III(V) 2.12ft
+0.00ft/hr
L0-
Below Recom.

00h32m
Middle Creek (Toms Creek trib.) [MD]
T318 to Harney Road
II+ 114cfs
+0cfs/hr
L1-
Below Recom.

00h47m
Mill Run [MD]
Pigs Ear Road to Yough River Lake
III-IV+ 29cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Monocacy River [MD]
0.1. Rt 140 at Bridgeport MD to Rocky Ridge Rd. (MD 77)
I 114cfs
+0cfs/hr
L2-
Below Recom.

00h47m
Monocacy River [MD]
0.5. Rocky Ridge Rd. (MD 77) to Creagerstown Park
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h47m
Monocacy River [MD]
1. Creagerstown Park to Devilbiss Bridge Park
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h47m
Monocacy River [MD]
2. Devilbiss Bridge Park to Dearbought/Riverside Park
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h47m
Monocacy River [MD]
3. Pinecliff Park to Buckeystown Park
I(II) 3.18ft
+0.00ft/hr
R4-
Runnable

00h47m
Monocacy River [MD]
4. Buckeystown Park to Park Mills Road
I-II 3.18ft
+0.00ft/hr
R4-
Runnable

00h47m
Monocacy River [MD]
5. Park Mills Road to Monocacy Aqueduct
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h47m
Muddy Creek (Youghiogheny trib.) [MD]
Cranesville Swamp Nature Preserve (Lake Ford Road) to Youghi...
I-III(V) 29cfs
+0cfs/hr
L2-
Below Recom.

01h02m
Northeast Creek [MD]
"Gilpin Falls" section. "Gilpin Falls" covered bridge next t...
V 96cfs
+0cfs/hr
L8-
Below Recom.

00h32m
Octoraro Creek [MD]
2. Sleepy Hollow Rd/Lees Bridge Rd to New Bridge Rd Bridge (Middle Octoraro)
I 305cfs
+0cfs/hr
L0-
Below Recom.

00h32m
Octoraro Creek [MD]
3. New Bridge Road to Moore Road, Richardsmere (Lower Octoraro)
II 305cfs
+0cfs/hr
L3-
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 83cfs
+0cfs/hr
L7-
Below Recom.

00h32m
Owens Creek [MD]
2) Rocky Ridge Road (Hwy.77) to Monocacy River
I-II 83cfs
+0cfs/hr
L0-
Below Recom.

00h32m
Patapsco, North Branch (above Liberty res.) [MD]
Carrollton Rd. to Lawndale Rd.
I-III 69cfs
+0cfs/hr
L0-
Below Recom.

01h17m
Patapsco, South Branch [MD]
0.5. Woodbine to Gaither Rd.
II(III) 109cfs
+0cfs/hr
L0-
Below Recom.

00h24m
Patapsco, South Branch [MD]
1. Gaither Rd. to Henryton Rd. ("Gaither Gorge"/S. Branch Patapsco)
II+(III) 109cfs
+0cfs/hr
L0-
Below Recom.

00h24m
Patapsco, South Branch [MD]
2. Marriottsville Rd to Patapsco, N. Branch confluence "McKe... (McKeldin Falls)
I-III(IV) 236cfs
+0cfs/hr
R1-
Lower Runnable

01h02m
Patapsco [MD]
1. N. Br./S. Br. confluence to Daniels river access
I 236cfs
+0cfs/hr
R1-
Lower Runnable

01h02m
Patapsco [MD]
2. Daniels Dam through Elkridge (Old Ellicott City, Oella & Former Bloede Dam section)
I-III 236cfs
+0cfs/hr
R0-
Lower Runnable

01h02m
Patuxent, Little [MD]
Old Columbia Rd. to Savage Mill.
I-IV 100cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Patuxent, Middle [MD]
Carroll Mill Road to Savage Mill
I-IV 100cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Patuxent [MD]
4.) Gardner Canoe Launch/Governor Bridge Natural Area to Pat...
I 5.99ft
-0.01ft/hr
R5-
Runnable

01h32m
Patuxent [MD]
5.) Patuxent 4-H Center, Patuxent River Park Boat Ramp to Wa...
I 5.99ft
-0.01ft/hr
R5-
Runnable

01h32m
Piney Run (Patapsco trib.) [MD]
Brangels Rd./Arrington Rd. to Marriottsville Rd.
I-III(IV) 20cfs
+0cfs/hr
L2-
Below Recom.

01h17m
Potomac, North Branch [MD]
1. Henry, WV to Gormania, WV
I-III 4.15ft
+0.00ft/hr
L7-
Below Recom.

00h32m
Potomac, North Branch [MD]
2. Gormania, WV to Kitzmiller, MD (Kitzmiller Section)
III-IV 4.15ft
+0.00ft/hr
R4-
Runnable

00h32m
Potomac, North Branch [MD]
3. Kitzmiller, MD to Jennings Randolph Lake
II-III 4.15ft
+0.00ft/hr
R4-
Runnable

00h32m
Potomac, North Branch [MD]
4. Barnum, WV to Bloomington, MD (Bloomington Section)
II-III 1170cfs
+0cfs/hr
R4-
Runnable

01h02m
Potomac, North Branch [MD]
5. Bloomington, MD to Gary Yoder (Black Oak) River Access Nr...
II 1390cfs
+0cfs/hr
R5-
Runnable

01h17m
Potomac, North Branch [MD]
6. Gary Yoder (Black Oak) River Access Nr. Rawlings, MD to P...
I 1390cfs
+0cfs/hr
R5-
Runnable

01h17m
Potomac, North Branch [MD]
7. Pinto, MD to Upper Potomac Industrial Park (upstream of C...
I 1390cfs
+0cfs/hr
R5-
Runnable

01h17m
Potomac, North Branch [MD]
8. Wiley's Ford, WV to Oldtown Toll Bridge
I-II 2030cfs
+0cfs/hr
R5-
Runnable

00h32m
Potomac [MD]
0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground
I 8.20ft
-0.03ft/hr
R5-
Runnable

01h02m
Potomac [MD]
0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan... (Paw Paw Bends)
I 8.20ft
-0.03ft/hr
R5-
Runnable

01h02m
Potomac [MD]
0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD
I 6.78ft
-0.02ft/hr
R6-
Runnable

01h02m
Potomac [MD]
0.35 Hancock, MD to Big Pool/Fort Frederick Campground
I 6.78ft
-0.02ft/hr
R6-
Runnable

01h02m
Potomac [MD]
0.4 Big Pool/Fort Frederick Campground to Williamsport MD
I 6.78ft
-0.02ft/hr
R6-
Runnable

01h02m
Potomac [MD]
0.45 Williamsport to Dam #4
I 6.78ft
-0.02ft/hr
R6-
Runnable

01h02m
Potomac [MD]
0.5 Dam # 4 to Shepherdstown WV
I 5.41ft
-0.02ft/hr
R6-
Runnable

00h47m
Potomac [MD]
0.6 Shepherdstown, WV to Dargans Bend Boat Ramp
I 5.41ft
-0.02ft/hr
R6-
Runnable

00h47m
Potomac [MD]
0.7 Dargans Bend Boat Ramp to Potoma Wayside, VA or Weverto... ("Potomac Needles")
II+ 4.61ft
-0.02ft/hr
R5-
Runnable

00h32m
Potomac [MD]
0.8 Potoma Wayside, VA or Weverton, MD to Point of Rocks MD
I-II 4.61ft
-0.02ft/hr
R5-
Runnable

00h32m
Potomac [MD]
0.9 Point of Rocks to Mouth of Monocacy
I 4.61ft
-0.02ft/hr
R5-
Runnable

00h32m
Potomac [MD]
1. Mouth of Monocacy to Riley's Lock Boat Ramp (Islands of the Potomac WMA - Oxley, Mason and Maddux Islands)
I 4.62ft
-0.01ft/hr
R5-
Runnable

00h32m
Potomac [MD]
2. GW Canal Loop or Violettes Lock to Pennyfield Lock (GW Canal or Seneca Breaks)
I-II 4.62ft
-0.01ft/hr
R5-
Runnable

00h32m
Potomac [MD]
3. Great Falls (Center Lines) (streamers)
V+ 4.62ft
-0.01ft/hr
H9-
Above Recom.

00h32m
Potomac [MD]
3. Great Falls (Fish Ladder)
V+ 4.62ft
-0.01ft/hr
R8-
Upper Runnable

00h32m
Potomac [MD]
3. Great Falls (MD Lines)
V+ 4.62ft
-0.01ft/hr
H1-
Above Recom.

00h32m
Potomac [MD]
3. Great Falls (VA Lines) (the spout)
V 4.62ft
-0.01ft/hr
H9-
Above Recom.

00h32m
Potomac [MD]
3. Through Great Falls (several runs)
V+ 4.62ft
-0.01ft/hr
H4-
Above Recom.

00h32m
Potomac [MD]
4. Sandy Beach/O-Deck to Anglers Inn (Mather Gorge)
III+(IV) 4.62ft
-0.01ft/hr
R8-
Upper Runnable

00h32m
Potomac [MD]
5. Anglers Inn to Lock 10
II 4.62ft
-0.01ft/hr
R6-
Runnable

00h32m
Potomac [MD]
6. Lock 10 to Sycamore Island
I 4.62ft
-0.01ft/hr
R7-
Upper Runnable

00h32m
Potomac [MD]
7. Little Falls
III+(IV) 4.62ft
-0.01ft/hr
R8-
Upper Runnable

00h32m
Rock Creek (DC Potomac River trib.) [MD]
1. Rockville to Beach Dr. Near DC/MD line.
I(II) 52cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Rock Creek (DC Potomac River trib.) [MD]
2. Beach Dr. below East-West Hwy to Potomac River in D.C.
I-III 52cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Rock Creek (Monocacy River Trib.) [MD]
1. PA Rt. 116 to PA Rt. 97
II-III 114cfs
+0cfs/hr
L0-
Below Recom.

00h47m
Rock Creek (Monocacy River Trib.) [MD]
2. PA Rt 97 to Harney Rd, MD
II+ 114cfs
+0cfs/hr
L0-
Below Recom.

00h47m
Savage [MD]
1. Avilton Lonaconing Road to Head of Savage Reservoir
I-III(IV) 70cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Savage [MD]
2. Savage Dam to North Branch Potomac River (Site of 1989 World Championships)
III-IV 228cfs
-3cfs/hr
L8-
Below Recom.

01h02m
Seneca Creek [MD]
Black Rock Mill to Riley's Lock Boat Ramp (Lower Seneca Creek)
I-II 125cfs
+3cfs/hr
R2-
Lower Runnable

00h26m
Shenandoah [MD]
3. Millville, WV to Harpers Ferry (Potoma Wayside, VA or Wev... (Shenandoah Staircase)
II-III 3.78ft
-0.01ft/hr
R5-
Runnable

00h47m
Sideling Hill Creek (Potomac River trib.) [MD]
Purcell PA (SR 2011) to Zeigler Rd (above Potomac R. MD side...
I-II 1.56ft
-0.01ft/hr
L0-
Below Recom.

00h18m
Stony River [MD]
2. Route 50 to North Branch of Potomac River (Kitzmiller, MD... (Lower Stony)
III-IV 4.15ft
+0.00ft/hr
L0-
Below Recom.

00h32m
Susquehanna [MD]
Octoraro River Mouth to Rock Run Mill, Susquehanna State Pk.
II(III) 15.99ft
+0.01ft/hr
H2-
Above Recom.

00h41m
Town Creek [MD]
1. Chaneysville, PA to I-68 (Maryland)
I-II 3.34ft
-0.01ft/hr
R3-
Runnable

01h02m
Town Creek [MD]
2. I-68 to Potomac River
I 220cfs
-3cfs/hr
R3-
Runnable

01h02m
Wills Creek [MD]
Ellerslie to Eckhart Junction
I-II 329cfs
-4cfs/hr
R4-
Runnable

01h02m
Winters Run [MD]
Pleasantville Road to Maryland Route 7
I-II 71cfs
+0cfs/hr
L0-
Below Recom.

01h02m
Youghiogheny [MD]
0.5. US Route 50 to Millers Run
I-II 258cfs
-3cfs/hr
R4-
Runnable

01h02m
Youghiogheny [MD]
1. Tippy-Top - Millers Run/Oakland Sang Run Rd. to Swallow F...
IV 258cfs
-3cfs/hr
R4-
Runnable

01h02m
Youghiogheny [MD]
2. Top - Swallow Falls Rd. (Bridge above Swallow Falls [Stat...
IV-V 258cfs
-3cfs/hr
R4-
Runnable

01h02m
Youghiogheny [MD]
3. Upper - Sang Run (Sang Run Road) to Friendsville
IV-V 3.10ft
-0.02ft/hr
R2-
Lower Runnable

00h32m
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