• Level Legend
  • Low
  • Running
  • High
  • Unknown
  • Unknown
     
Anacostia, Northwest Branch [MD]
US Rte 29 (Burnt Mills) to Riggs Road (Adelphi Mill)
I-IV(V+) 5cfs
+0cfs/hr
L0-
Below Recom.

00h52m
Anacostia [MD]
Aquatic Garden Run
I n/a

Antietam Creek [MD]
1) Upper: Oak Ridge Dr. to MD.68 (Devils Backbone Park)
I-II 2.78ft
+0.00ft/hr
L0-
Below Recom.

01h22m
Antietam Creek [MD]
2) MD 68 (Devil's Backbone Park) to MD 34
I-II 2.78ft
+0.00ft/hr
R3-
Runnable

01h22m
Antietam Creek [MD]
3) MD.34 to Potomac River
I-II 2.78ft
+0.00ft/hr
R3-
Runnable

01h22m
Bear Creek [MD]
U.S. 219 to Youghiogheny River at Friendsville
IV 8cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Beaver Creek [MD]
Beaver Creek Park N Ride (I-70) to Alternate Rt. 40
I(II) 2.78ft
+0.00ft/hr
L0-
Below Recom.

01h22m
Bennett Creek [MD]
MD Route 355 to Monocacy River
I-II 30cfs
+0cfs/hr
L0-
Below Recom.

00h52m
Big Elk Creek [MD]
PA Route 341 to Elkton
I-II 36cfs
+0cfs/hr
L9-
Below Recom.

00h52m
Broad Creek [MD]
MD Route 136 to MD Route 623
I-II 64cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Cabin John Creek [MD]
River Road to Potomac
II-III 17cfs
+0cfs/hr
L7-
Below Recom.

00h22m
Casselman, N. Branch [MD]
Dung Hill Road to Maryland Route 495
I-III 14cfs
+1cfs/hr
L0-
Below Recom.

01h07m
Casselman [MD]
1) MD Route 495 to Salisbury, Pennsylvania
I-II 14cfs
+1cfs/hr
L1-
Below Recom.

01h07m
Catoctin Creek [MD]
US 40 to Potomac River
I-II 1.73ft
+0.00ft/hr
L0-
Below Recom.

00h52m
Conococheague Creek [MD]
Wilson Bridge (US 40) to Williamsport, MD Boat Ramp
I 1.85ft
+0.00ft/hr
L5-
Below Recom.

00h52m
Conowingo Creek [MD]
Oakwood to Susquehanna River
IV-V n/a

Crabtree Creek [MD]
Swanton, MD to Savage Reservoir
III-IV+ 7cfs
+0cfs/hr
L2-
Below Recom.

00h22m
Deep Creek [MD]
Dam to Youghiogheny River
V n/a

Deer Creek [MD]
1. Bond Road to MD 23
I 2.17ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Deer Creek [MD]
2. Harford Creamery Rd. to Eden Mill Park boat ramp
I 2.17ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Deer Creek [MD]
3. Eden Mill Dam to Rocks State Park
I-II(III) 2.17ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Deer Creek [MD]
4. Rocks State Park to Sandy Hook Rd./Deer Creek Conservatio...
I-II(III) 2.17ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Deer Creek [MD]
5. Sandy Hook Rd./Deer Creek Cons. area to MD 136
I-II 2.17ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Deer Creek [MD]
6. MD 136 to Susquehanna River
I-II 2.17ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Evitts Creek [MD]
1. Lake Gordon Dam (PA) to Maryland Route 144 (MD)
I-III 2.13ft
+0.00ft/hr
L0-
Below Recom.

01h07m
Evitts Creek [MD]
2. MD 144 to MD 51
I-II 2.13ft
+0.00ft/hr
L0-
Below Recom.

01h07m
Fifteen Mile Creek [MD]
US Route 40 to Potomac River
I-II(III) 0.72ft
+0.00ft/hr
L0-
Below Recom.

00h37m
Flintstone Creek [MD]
Flintstone Creek Road, PA to Town Creek, MD
I-III 29cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Georges Creek [MD]
Maryland Rte. 36 (Midland) to N. Branch Potomac River
III-IV 3.07ft
+0.00ft/hr
L0-
Below Recom.

00h52m
Gunpowder Falls [MD]
1 - Graves Run Rd to Prettyboy Reservoir (Gunpowder Road)
II+ 8cfs
+0cfs/hr
L1-
Below Recom.

01h22m
Gunpowder Falls [MD]
2 - Prettyboy Dam to Falls Road
I-III 34cfs
-1cfs/hr
L0-
Below Recom.

00h37m
Gunpowder Falls [MD]
3 - Masemore Road to Blue Mount Road
I-II 34cfs
-1cfs/hr
L0-
Below Recom.

00h37m
Gunpowder Falls [MD]
4. Blue Mount Road to Phoenix
I 77cfs
-2cfs/hr
L8-
Below Recom.

00h16m
Gunpowder Falls [MD]
5 - Lower Loch Raven Dam to Route 1
I-II ~ 133cfs
+0cfs/hr
L0-
Below Recom.

00h18m
Gunpowder Falls [MD]
6 - Route 1 to U.S.40
II-III ~ 136cfs
+1cfs/hr
L0-
Below Recom.

00h25m
Gwynns Falls [MD]
1) Villa Nova to Woodlawn
II 11cfs
+0cfs/hr
L5-
Below Recom.

01h07m
Gwynns Falls [MD]
2) Gwynn Oak Ave. to Wilkens Ave (US 1)
II-III(IV) 11cfs
+0cfs/hr
L5-
Below Recom.

01h07m
Herring Run [MD]
Echodale Ave to US 40
II-III 33cfs
+1cfs/hr
L9-
Below Recom.

00h46m
Hunting Creek [MD]
Catoctin Hollow Road to Frank Bentz Lake
III-IV+(V) 21cfs
+0cfs/hr
L7-
Below Recom.

00h52m
Jennings Run [MD]
Barrelville to Wills Creek
III+ 34cfs
+0cfs/hr
L6-
Below Recom.

00h22m
Jones Falls [MD]
Lake Roland to Round Falls
I-III n/a

Laurel Run [MD]
Laurel Run
IV 2.27ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Little Falls of the Gunpowder [MD]
Parkton (Maryland Route 45) to Gunpowder Falls
I-III 36cfs
+0cfs/hr
L2-
Below Recom.

00h22m
Little Gunpowder Falls [MD]
1) Bottom Rd @ Laurel Brook to Jerusalem Mill (Jerusalem Rd....
I-II 25cfs
+0cfs/hr
L8-
Below Recom.

00h22m
Little Gunpowder Falls [MD]
2) Jerusalem Mill (Jerusalem Rd.) to U.S. Route 40
II-III 25cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Little Seneca Creek [MD]
Boyds to Darnestown
II(III) 39cfs
-2cfs/hr
L0-
Below Recom.

00h46m
Long Green Creek [MD]
Glen Arm Rd. to Gunpowder Falls
IV 5cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Marsh Creek [MD]
Cunningham Road near Bus US 15 Southwest of Gettysburg, PA t...
II-III ~ 61cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Middle Creek (Catoctin Creek trib.) [MD]
Wolfsville to Myersville
II-III(V) 1.73ft
+0.00ft/hr
L0-
Below Recom.

00h52m
Middle Creek (Toms Creek trib.) [MD]
T318 to Harney Road
II+ 61cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Mill Run [MD]
Pigs Ear Road to Yough River Lake
III-IV+ 4cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Monocacy River [MD]
1. Creagerstown Park to Devilbiss Bridge Park
I 2.17ft
+0.00ft/hr
R4-
Runnable

01h07m
Monocacy River [MD]
2. Devilbiss Bridge Park to Riverbend Park
I 2.17ft
+0.00ft/hr
R4-
Runnable

01h07m
Monocacy River [MD]
3. Pinecliff Park to Buckeystown Park
I(II) 2.17ft
+0.00ft/hr
R4-
Runnable

01h07m
Monocacy River [MD]
4. Buckeystown Park to Park Mills Road
I 2.28ft
+0.01ft/hr
R4-
Runnable

38h06m
Muddy Creek [MD]
Cranesville Swamp Nature Preserve (Lake Ford Road) to Youghi...
I-III(V) 4cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Northeast Creek [MD]
"Gilpin Falls" section. "Gilpin Falls" covered bridge next t...
V 36cfs
+0cfs/hr
L8-
Below Recom.

00h52m
Octoraro Creek [MD]
2. Sleepy Hollow Rd/Lees Bridge Rd to New Bridge Rd Bridge
I 121cfs
+0cfs/hr
L0-
Below Recom.

00h52m
Octoraro Creek [MD]
3. New Bridge Road to Moore Road, Richardsmere
II 121cfs
+0cfs/hr
L0-
Below Recom.

00h52m
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 21cfs
+0cfs/hr
L7-
Below Recom.

00h52m
Owens Creek [MD]
2) Rocky Ridge Road (Hwy.77) to Monocacy River
I-II 21cfs
+0cfs/hr
L0-
Below Recom.

00h52m
Patapsco, North Branch (above Liberty res.) [MD]
Carrollton Rd. to Lawndale Rd.
II(III) 30cfs
-3cfs/hr
L8-
Below Recom.

00h37m
Patapsco, South Branch [MD]
0.5. Woodbine to Gaither Rd.
II(III) 46cfs
-37cfs/hr
L0-
Below Recom.

00h39m
Patapsco, South Branch [MD]
1. Gaither Rd. to Henryton Rd. - "Gaither Gorge"
II+(III) 46cfs
-37cfs/hr
L0-
Below Recom.

00h39m
Patapsco, South Branch [MD]
2. Marriottsville Rd to Patapsco, N. Branch confluence
I-III(IV) 68cfs
-2cfs/hr
L0-
Below Recom.

00h22m
Patapsco [MD]
1. N. Br./S. Br. confluence to Daniels river access
I 68cfs
-2cfs/hr
L0-
Below Recom.

00h22m
Patapsco [MD]
2. Daniels river access (below Dam) to Elkridge
I-III 68cfs
-2cfs/hr
L0-
Below Recom.

00h22m
Patuxent, Little [MD]
US Route 29 (Columbia) to US Route 1
I-IV 33cfs
+0cfs/hr
L0-
Below Recom.

01h22m
Patuxent, Middle [MD]
Carroll Mill Road to Savage Mill
I-II(IV) 3.00ft
+0.00ft/hr
L0-
Below Recom.

01h22m
Piney Run [MD]
Arrington Road to Marriottsville
I-III(IV) 9cfs
+0cfs/hr
L0-
Below Recom.

00h37m
Potomac, North Branch [MD]
1. Henry, WV to Gormania, WV
I-III 2.27ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Potomac, North Branch [MD]
2. Gormania, WV to Kitzmiller, MD
III-IV 2.27ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Potomac, North Branch [MD]
3. Kitzmiller, MD to Jennings Randolph Lake
II-III 2.27ft
+0.00ft/hr
L0-
Below Recom.

00h22m
Potomac, North Branch [MD]
4. Barnum, WV to Bloomington, MD
II(III) 253cfs
-4cfs/hr
L2-
Below Recom.

00h22m
Potomac, North Branch [MD]
5. Bloomington, MD to Black Oak River Access Nr. McCoole, MD
I-II 332cfs
+4cfs/hr
L6-
Below Recom.

00h37m
Potomac, North Branch [MD]
6. Black Oak River Access Nr. McCoole, MD to Pinto, MD
I 332cfs
+4cfs/hr
R3-
Runnable

00h37m
Potomac, North Branch [MD]
7. Pinto, MD to Upper Potomac Industrial Park (upstream of C...
I 332cfs
+4cfs/hr
R3-
Runnable

00h37m
Potomac, North Branch [MD]
8. Wiley's Ford, WV to Oldtown Toll Bridge
I 332cfs
+4cfs/hr
R3-
Runnable

00h37m
Potomac [MD]
0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground
I 4.03ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan...
I 4.03ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.35 Hancock, MD to Big Pool/Fort Frederick Campground
I 3.18ft
+0.00ft/hr
R4-
Runnable

01h22m
Potomac [MD]
0.4 Big Pool/Fort Frederick Campground to Williamsport MD
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.45 Williamsport to Dam #4
I 3.18ft
+0.00ft/hr
R4-
Runnable

01h22m
Potomac [MD]
0.5 Dam # 4 to Shepherdstown WV
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.6 Shepherdstown, WV to Dargans Bend Boat Ramp
I 3.18ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.7 Dargans Bend Boat Ramp to Potoma Wayside
II+ 3.18ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD
I-II 3.18ft
+0.00ft/hr
R4-
Runnable

00h22m
Potomac [MD]
0.9 Point of Rocks to Mouth of Monocacy
I 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
1. Mouth of Monocacy to Riley's Lock Boat Ramp
I 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
2. GW Canal Loop or Violette's Lock to Pennyfield Lock
I-II 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
3. Great Falls (Center Lines)
V+ 3.11ft
-0.01ft/hr
L2-
Below Recom.

00h52m
Potomac [MD]
3. Great Falls (Fish Ladder)
IV-V(V+) 3.11ft
-0.01ft/hr
L7-
Below Recom.

00h52m
Potomac [MD]
3. Great Falls (MD Lines)
V+ 3.11ft
-0.01ft/hr
R5-
Runnable

00h52m
Potomac [MD]
3. Great Falls (VA Lines)
V 3.11ft
-0.01ft/hr
R3-
Runnable

00h52m
Potomac [MD]
3. Through Great Falls (several runs)
V+ 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
4. Sandy Beach/O-Deck to Anglers Inn
II-III(IV) 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
5. Anglers Inn to Lock 10
II 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
6. Lock 10 to Sycamore Island
I 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Potomac [MD]
7. Little Falls
II-III(IV) 3.11ft
-0.01ft/hr
R4-
Runnable

00h52m
Rock Creek (DC Potomac River trib.) [MD]
1. Rockville to Beach Dr. Near DC/MD line.
I(II) 17cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Rock Creek (DC Potomac River trib.) [MD]
2. Beach Dr. below East-West Hwy to Potomac River in D.C.
I-III 17cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Rock Creek (Monocacy River Trib.) [MD]
1. PA Rt. 116 to PA Rt. 97
II-III 61cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Rock Creek (Monocacy River Trib.) [MD]
2. PA Rt 97 to Harney Rd, MD
II+ 61cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Savage [MD]
1. Avilton Lonaconing Road to Head of Savage Reservoir
I-III(IV) 7cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Savage [MD]
2. Savage Dam to North Branch Potomac River
III-IV 61cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Seneca Creek [MD]
Black Rock Mill to Riley's Lock Boat Ramp
I-II 39cfs
-2cfs/hr
L8-
Below Recom.

00h46m
Shenandoah [MD]
3. Millville, WV to Harpers Ferry (Potoma Wayside, VA or Wev...
II 2.35ft
-0.04ft/hr
R3-
Runnable

01h07m
Sideling Hill Creek (Potomac River trib.) [MD]
Purcell PA (SR 2011) to Potomac River confluence.
I-II 0.72ft
+0.00ft/hr
L0-
Below Recom.

00h37m
Town Creek [MD]
1. Chaneysville, PA to I-68 (Maryland)
I-II 2.13ft
+0.00ft/hr
L8-
Below Recom.

01h07m
Town Creek [MD]
2. I-68 to Potomac River
I 29cfs
+0cfs/hr
L0-
Below Recom.

01h07m
Wills Creek [MD]
Ellerslie to Eckhart Junction
I-II 34cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Winters Run [MD]
Pleasantville Road to Maryland Route 7
I-II 18cfs
+0cfs/hr
L0-
Below Recom.

01h22m
Youghiogheny [MD]
0. US Route 50 to Millers Run
I-II 4cfs
+0cfs/hr
L0-
Below Recom.

00h22m
Youghiogheny [MD]
1. Tippy-Top - Millers Run/Oakland Sang Run Rd. to Swallow F...
IV 52cfs
-2cfs/hr
L7-
Below Recom.

00h22m
Youghiogheny [MD]
2. Top - Swallow Falls Rd. to Hoyes Run.
IV-V 52cfs
-2cfs/hr
L7-
Below Recom.

00h22m
Youghiogheny [MD]
3. Upper - Sang Run to Friendsville
IV-V 2.32ft
+0.00ft/hr
L0-
Below Recom.

00h52m
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