• Level Legend
  • Low
  • Running
  • High
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Anacostia, Northwest Branch [MD]
US Rte 29 (Burnt Mills) to Riggs Road (Adelphi Mill)
I-IV(V+) 52cfs
-41cfs/hr
R0-
Lower Runnable

00h42m
Antietam Creek [MD]
1) Upper: Oak Ridge Dr. to Hwy.68 (Devils Backbone Park)
I-II 2.42ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Antietam Creek [MD]
2) Hwy 68 to Hwy 34
I-II 2.42ft
+0.00ft/hr
L6-
Below Recom.

01h12m
Antietam Creek [MD]
3) Hwy.34 to Potomac River
I-II 2.42ft
+0.00ft/hr
L6-
Below Recom.

01h12m
Bear Creek [MD]
U.S. 219 to Youghiogheny River at Friendsville
IV 10cfs
-0cfs/hr
L0-
Below Recom.

00h57m
Beaver Creek [MD]
Beaver Creek Park N Ride (I-70) to Alternate Rt. 40
I(II) 2.42ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Bennett Creek [MD]
MD Route 355 to Monocacy River
I-II 22cfs
-1cfs/hr
L0-
Below Recom.

00h42m
Big Elk Creek [MD]
PA Route 341 to Elkton
I-II 41cfs
+0cfs/hr
L9-
Below Recom.

00h42m
Broad Creek [MD]
MD Route 136 to MD Route 623
I-II 70cfs
+0cfs/hr
L0-
Below Recom.

01h12m
Cabin John Creek [MD]
River Road to Potomac
II-III 35cfs
-1cfs/hr
L7-
Below Recom.

01h12m
Casselman, N. Branch [MD]
Dung Hill Road to Maryland Route 495
I-III 12cfs
-1cfs/hr
L0-
Below Recom.

00h57m
Casselman [MD]
1) MD Route 495 to Salisbury, Pennsylvania
I-II 12cfs
-1cfs/hr
L1-
Below Recom.

00h57m
Catoctin Creek [MD]
US 40 to Potomac River
I-II 1.52ft
+0.00ft/hr
L0-
Below Recom.

00h42m
Conococheague Creek [MD]
Wilson Bridge (US 40) to Williamsport, MD Boat Ramp
I 1.54ft
+0.00ft/hr
L0-
Below Recom.

00h42m
Conowingo Creek [MD]
Oakwood to Susquehanna River
IV-V n/a

Crabtree Creek [MD]
Swanton, MD to Savage Reservoir
III-IV+ 4cfs
+0cfs/hr
L2-
Below Recom.

01h12m
Deep Creek [MD]
Dam to Youghiogheny River
V n/a

Deer Creek [MD]
1. Bond Road to MD 23
I 2.20ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Deer Creek [MD]
2. Harford Creamery Rd. to Eden Mill Park boat ramp
I 2.20ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Deer Creek [MD]
3. Eden Mill Dam to Rocks State Park
I-II(III) 2.20ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Deer Creek [MD]
4. Rocks State Park to Sandy Hook Rd./Deer Creek Conservatio...
I-II(III) 2.20ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Deer Creek [MD]
5. Sandy Hook Rd./Deer Creek Cons. area to MD 136
I-II 2.20ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Deer Creek [MD]
6. MD 136 to Susquehanna River
I-II 2.20ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Evitts Creek [MD]
1. Lake Gordon Dam (PA) to Maryland Route 144 (MD)
I-III 1.86ft
+0.00ft/hr
L0-
Below Recom.

00h57m
Evitts Creek [MD]
2. MD 144 to MD 51
I-II 1.86ft
+0.00ft/hr
L0-
Below Recom.

00h57m
Fifteen Mile Creek [MD]
US Route 40 to Potomac River
I-II(III) 0.47ft
+0.00ft/hr
L0-
Below Recom.

00h27m
Flintstone Creek [MD]
Flintstone Creek Road to Town Creek
I-III 10cfs
+0cfs/hr
L0-
Below Recom.

00h57m
Georges Creek [MD]
Maryland Rte. 36 (Midland) to N. Branch Potomac River
III-IV 2.94ft
+0.00ft/hr
L0-
Below Recom.

00h42m
Gunpowder Falls [MD]
1 - Graves Run Rd to Prettyboy Reservoir (Gunpowder Road)
II+ 6cfs
+0cfs/hr
L1-
Below Recom.

01h12m
Gunpowder Falls [MD]
2 - Prettyboy Dam to Falls Road
I-III 29cfs
-1cfs/hr
L0-
Below Recom.

00h27m
Gunpowder Falls [MD]
3 - Masemore Road to Blue Mount Road
I-II 29cfs
-1cfs/hr
L0-
Below Recom.

00h27m
Gunpowder Falls [MD]
4. Blue Mount Road to Phoenix
I 85cfs
+0cfs/hr
L0-
Below Recom.

01h08m
Gunpowder Falls [MD]
5 - Lower Loch Raven Dam to Route 1
I-II 2cfs
-1cfs/hr
L8-
Below Recom.

00h27m
Gunpowder Falls [MD]
6 - Route 1 to U.S.40
II-III ~ 291cfs
-1cfs/hr
L1-
Below Recom.

00h29m
Gwynns Falls [MD]
1) Villa Nova to Woodlawn
II 56cfs
-12cfs/hr
L6-
Below Recom.

00h57m
Gwynns Falls [MD]
2) Gwynn Oak Ave. to Wilkens Ave (US 1)
II-III(IV) 56cfs
-12cfs/hr
L6-
Below Recom.

00h57m
Herring Run [MD]
Echodale Ave to US 40
II-III 1cfs
-1cfs/hr
L9-
Below Recom.

00h23m
Hunting Creek [MD]
Catoctin Hollow Road to Frank Bentz Lake
III-IV+(V) 6cfs
+0cfs/hr
L7-
Below Recom.

00h42m
Jennings Run [MD]
Barrelville to Wills Creek
III+ 15cfs
+1cfs/hr
L6-
Below Recom.

01h12m
Jones Falls [MD]
Lake Roland to Round Falls
I-III n/a

Laurel Run [MD]
Laurel Run
IV 1.93ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Little Falls of the Gunpowder [MD]
Parkton (Maryland Route 45) to Gunpowder Falls
I-III 34cfs
+0cfs/hr
L2-
Below Recom.

01h12m
Little Gunpowder Falls [MD]
1) Bottom Rd @ Laurel Brook to Jerusalem Mill (Jerusalem Rd....
I-II 34cfs
-1cfs/hr
L8-
Below Recom.

01h12m
Little Gunpowder Falls [MD]
2) Jerusalem Mill (Jerusalem Rd.) to U.S. Route 40
II-III 34cfs
-1cfs/hr
L0-
Below Recom.

01h12m
Little Seneca Creek [MD]
Boyds to Darnestown
II(III) 97cfs
+27cfs/hr
L0-
Below Recom.

00h38m
Long Green Creek [MD]
Glen Arm Rd. to Gunpowder Falls
IV 8cfs
-2cfs/hr
L0-
Below Recom.

01h12m
Marsh Creek [MD]
Old US Route 15 to Harney Road
II-III ~ 14cfs
+0cfs/hr
L0-
Below Recom.

00h27m
Middle Creek (Catoctin Creek trib.) [MD]
Wolfsville to Myersville
II-III(V) 1.52ft
+0.00ft/hr
L0-
Below Recom.

00h42m
Middle Creek (Toms Creek trib.) [MD]
T318 to Harney Road
II+ 14cfs
+0cfs/hr
L0-
Below Recom.

00h27m
Mill Run [MD]
Pigs Ear Road to Yough River Lake
III-IV+ 1cfs
+0cfs/hr
L0-
Below Recom.

01h12m
Monocacy River [MD]
1. Creagerstown Park to Devilbiss Bridge Park
I 1.82ft
-0.04ft/hr
R4-
Runnable

00h42m
Monocacy River [MD]
2. Devilbiss Bridge Park to Riverbend Park
I 1.82ft
-0.04ft/hr
R4-
Runnable

00h42m
Monocacy River [MD]
3. Pinecliff Park to Buckeystown Park
I(II) 1.82ft
-0.04ft/hr
R4-
Runnable

00h42m
Monocacy River [MD]
4. Buckeystown Park to Park Mills Road
I 1.82ft
+0.04ft/hr
R4-
Runnable

01h59m
Muddy Creek [MD]
Cranesville Swamp Nature Preserve (Lake Ford Road) to Youghi...
I-III(V) 1cfs
+0cfs/hr
L0-
Below Recom.

01h12m
Northeast Creek [MD]
below covered bridge on Route 272
V 41cfs
+0cfs/hr
L8-
Below Recom.

00h42m
Octoraro Creek [MD]
3. New Bridge Road to Richardsmere
II 144cfs
+0cfs/hr
L0-
Below Recom.

00h42m
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 6cfs
+0cfs/hr
L7-
Below Recom.

00h42m
Owens Creek [MD]
2) Rocky Ridge Road (Hwy.77) to Monocacy River
I-II 6cfs
+0cfs/hr
L0-
Below Recom.

00h42m
Patapsco, S. Branch [MD]
1. Woodbine to Henryton Rd.
II+(III) ~ 59cfs
+0cfs/hr
L0-
Below Recom.

00h36m
Patapsco, S. Branch [MD]
2. Marriottsville Rd to Patapsco, N. Branch confluence
I-III(IV) 112cfs
+14cfs/hr
L0-
Below Recom.

01h12m
Patapsco [MD]
1. N. Br./S. Br. confluence to Daniels river access
I 112cfs
+14cfs/hr
L0-
Below Recom.

01h12m
Patapsco [MD]
2. Daniels river access (below Dam) to Elkridge
I-III ~ 112cfs
+14cfs/hr
L0-
Below Recom.

01h12m
Patuxent, Little [MD]
US Route 29 (Columbia) to US Route 1
I-IV 44cfs
-15cfs/hr
L0-
Below Recom.

01h12m
Patuxent, Middle [MD]
Carroll Mill Road to Savage Mill
I-II(IV) 3.10ft
-0.15ft/hr
L0-
Below Recom.

01h12m
Piney Run [MD]
Arrington Road to Marriottsville
I-III(IV) 7cfs
+0cfs/hr
L0-
Below Recom.

01h27m
Potomac, North Branch [MD]
1. Henry, WV to Gormania, WV
I-III 1.93ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Potomac, North Branch [MD]
2. Gormania, WV to Kitzmiller, MD
III-IV 1.93ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Potomac, North Branch [MD]
3. Kitzmiller, MD to Jennings Randolph Lake
II-III 1.93ft
+0.00ft/hr
L0-
Below Recom.

01h12m
Potomac, North Branch [MD]
4. Barnum, WV to Bloomington, MD
II(III) 225cfs
-4cfs/hr
L1-
Below Recom.

01h12m
Potomac, North Branch [MD]
5. Bloomington, MD to Keyser, WV
I-II 299cfs
-3cfs/hr
L5-
Below Recom.

00h27m
Potomac, North Branch [MD]
6. Black Oak River Access Nr. McCoole, MD to Pinto, MD
I 299cfs
-3cfs/hr
R1-
Lower Runnable

00h27m
Potomac, North Branch [MD]
7. Pinto, MD to Upper Potomac Industrial Park (upstream of C...
I 299cfs
-3cfs/hr
R1-
Lower Runnable

00h27m
Potomac, North Branch [MD]
8. Wiley's Ford, WV to Oldtown Toll Bridge
I 299cfs
-3cfs/hr
R1-
Lower Runnable

00h27m
Potomac [MD]
0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground
I 3.65ft
+0.00ft/hr
R2-
Lower Runnable

01h12m
Potomac [MD]
0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan...
I 3.65ft
+0.00ft/hr
R3-
Runnable

01h12m
Potomac [MD]
0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD
I 2.83ft
+0.00ft/hr
R1-
Lower Runnable

01h12m
Potomac [MD]
0.35 Hancock, MD to Big Pool/Fort Frederick Campground
I n/a

Potomac [MD]
0.4 Big Pool/Fort Frederick Campground to Williamsport MD
I 2.83ft
+0.00ft/hr
R1-
Lower Runnable

01h12m
Potomac [MD]
0.45 Williamsport to Dam #4
I n/a

Potomac [MD]
0.5 Dam # 4 to Shepherdstown WV
I 2.83ft
+0.00ft/hr
R1-
Lower Runnable

01h12m
Potomac [MD]
0.6 Shepherdstown, WV to Dargans Bend Boat Ramp
I 2.83ft
+0.00ft/hr
R1-
Lower Runnable

01h12m
Potomac [MD]
0.7 Dargans Bend Boat Ramp to Potoma Wayside
II+ 2.83ft
+0.00ft/hr
R1-
Lower Runnable

01h12m
Potomac [MD]
0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD
I-II 2.83ft
+0.00ft/hr
R1-
Lower Runnable

01h12m
Potomac [MD]
0.9 Point of Rocks to Mouth of Monocacy
I 2.81ft
+0.01ft/hr
R3-
Runnable

00h42m
Potomac [MD]
1. Mouth of Monocacy to Riley's Lock Boat Ramp
I 2.81ft
+0.01ft/hr
R3-
Runnable

00h42m
Potomac [MD]
2. GW Canal Loop or Violette's Lock to Pennyfield Lock
I-II 2.81ft
+0.01ft/hr
R4-
Runnable

00h42m
Potomac [MD]
3. Great Falls (Center Lines)
V+ 2.81ft
+0.01ft/hr
L0-
Below Recom.

00h42m
Potomac [MD]
3. Great Falls (Fish Ladder)
IV-V(V+) 2.81ft
+0.01ft/hr
L3-
Below Recom.

00h42m
Potomac [MD]
3. Great Falls (MD Lines)
V 2.81ft
+0.01ft/hr
R3-
Runnable

00h42m
Potomac [MD]
3. Great Falls (VA Lines)
V 2.81ft
+0.01ft/hr
L7-
Below Recom.

00h42m
Potomac [MD]
3. Through Great Falls (several runs)
V+ 2.81ft
+0.01ft/hr
R2-
Lower Runnable

00h42m
Potomac [MD]
4. Sandy Beach/O-Deck to Anglers Inn
II-III(IV) 2.81ft
+0.01ft/hr
R3-
Runnable

00h42m
Potomac [MD]
5. Anglers Inn to Lock 10
II 2.81ft
+0.01ft/hr
R4-
Runnable

00h42m
Potomac [MD]
6. Lock 10 to Sycamore Island
I 2.81ft
+0.01ft/hr
R4-
Runnable

00h42m
Potomac [MD]
7. Little Falls
II-III(IV) 2.81ft
+0.01ft/hr
R4-
Runnable

00h42m
Rock Creek (DC Potomac River trib.) [MD]
1. Rockville to Beach Dr. Near DC/MD line.
I(II) 35cfs
-1cfs/hr
L0-
Below Recom.

01h12m
Rock Creek (DC Potomac River trib.) [MD]
2. Beach Dr. below East-West Hwy to Potomac River in D.C.
I-III 35cfs
-1cfs/hr
L0-
Below Recom.

01h12m
Rock Creek (Monocacy River Trib.) [MD]
PA Rt. 97 to Harney Road
I(III) n/a

Savage [MD]
1. Avilton Lonaconing Road to Head of Savage Reservoir
I-III(IV) 4cfs
+0cfs/hr
L0-
Below Recom.

01h12m
Savage [MD]
2. Savage Dam to North Branch Potomac River
III-IV 53cfs
+0cfs/hr
L0-
Below Recom.

01h12m
Seneca Creek [MD]
Black Rock Mill to Riley's Lock Boat Ramp
I-II 97cfs
+27cfs/hr
R0-
Lower Runnable

00h38m
Shenandoah [MD]
3. Millville, WV to Harpers Ferry (Potoma Wayside, VA or Wev...
II-III 1.56ft
+0.01ft/hr
L7-
Below Recom.

00h57m
Sideling Hill Creek [MD]
Purcell Penn.(sr 2011)to the Potomac river
I-II 0.47ft
+0.00ft/hr
L0-
Below Recom.

00h27m
Town Creek [MD]
1. Chaneysville to I-68 (Maryland)
I-II 1.86ft
+0.00ft/hr
L8-
Below Recom.

00h57m
Town Creek [MD]
2. I-68 to Potomac River
I 10cfs
+0cfs/hr
L0-
Below Recom.

00h57m
Wills Creek [MD]
Ellerslie to Eckhart Junction
I-II 15cfs
+1cfs/hr
L0-
Below Recom.

01h12m
Winters Run [MD]
Pleasantville Road to Maryland Route 7
I-II 29cfs
-1cfs/hr
L0-
Below Recom.

01h12m
Youghiogheny [MD]
0. US Route 50 to Millers Run
I-II 1cfs
+0cfs/hr
L0-
Below Recom.

01h12m
Youghiogheny [MD]
1. Tippy-Top - Millers Run/Oakland Sang Run Rd. to Swallow F...
IV 22cfs
-1cfs/hr
L7-
Below Recom.

01h12m
Youghiogheny [MD]
2. Top - Swallow Falls Rd. to Hoyes Run.
IV-V 22cfs
-1cfs/hr
L7-
Below Recom.

01h12m
Youghiogheny [MD]
3. Upper - Sang Run to Friendsville
IV-V 2.04ft
+0.00ft/hr
L0-
Below Recom.

00h42m
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