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Potomac
Level Legend: - - - - - - - - - Below Recommended Low Runnable - - - - - - - - High Runnable Above Recommended - - - - - - - - - Unknown Unknown
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Unknown Drainage

Potomac

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River Name/Section Class Level running? Updated
Abram Creek [WV] US 50 Bridge to the confluence of the North Branch of the Po... II-IV n/a

Accotink Creek [VA] Ward Park La. to US 1 I-II 6 cfs
0 cfs/hr
L9-
Below Recom.
01h28m
Anacostia, Northwest Branch [MD] US Rte 29 to Riggs Road I-III(V+) 9 cfs
0 cfs/hr
L1-
Below Recom.
01h28m
Anacostia [DC] Acquatic Garden Run I n/a

Antietam Creek, E. Branch [PA] Old Forge to confluence with W. Branch I-IV 93 cfs
+ 7 cfs/hr
L8-
Below Recom.
02h27m
Antietam Creek [MD] 1) Upper: Oak Bridge to Hwy.68 I-II 2.76 ft
-0.01 ft/hr
L9-
Below Recom.
01h42m
Antietam Creek [MD] 2) Hwy.68 to Potomac River I-II 2.76 ft
-0.01 ft/hr
R0-
Lower Runnable
01h42m
Aquia Creek [VA] Rt. 610 to US 1 II 22 cfs
0 cfs/hr
L8-
Below Recom.
00h43m
Back Creek (Potomac trib) [VA] 1. Route 704 bridge to Route 50 (Gore) II-III 11 cfs
0 cfs/hr
L8-
Below Recom.
00h43m
Back Creek (Potomac trib) [VA] 2. Route 50 (Gore) to Dehaven (Route 671) I 198 cfs
0 cfs/hr
R0-
Lower Runnable
00h28m
Back Creek (South R. trib) [VA] Sherando Lake to South River II-III 88 cfs
-3 cfs/hr
L8-
Below Recom.
00h28m
Back Creek [WV] WV 9 to McCoy's Ferry II(III) n/a

Beaver Creek [MD] Beaver Creek Park N Ride (I-70) to Alternate Rt. 40 I(II) 2.76 ft
-0.01 ft/hr
L7-
Below Recom.
01h42m
Bennett Creek [MD] MD Route 355 to Monocacy River I-II 42 cfs
-2 cfs/hr
L9-
Below Recom.
01h28m
Big Cove Creek [PA] T379 to Licking Creek I-III 24 cfs
-1 cfs/hr
L8-
Below Recom.
01h13m
Big Run [WV] Confluence with Teeter Camp Run to Cherry Grove II+ 5.66 ft
0.00 ft/hr
L5-
Below Recom.
01h13m
Briery Branch [VA] Briery Branch Dam to North R. I-III 24 cfs
0 cfs/hr
L9-
Below Recom.
01h13m
Broad Run [VA] 1. Route 628 to Beverly Mills (Route 55) III-IV n/a

Broad Run [VA] 2. Beverly Mills (Route 55) to Buckland (Route 29/211) I-II n/a

Broad Run [VA] Route 675 to Route 28 South of Manassas I-II n/a

Brush Creek [PA] Covered Bridge (T407) to Wills Creek II-III 468 cfs
0 cfs/hr
L8-
Below Recom.
00h58m
Cabin John Creek [MD] River Road to Potomac II-III 32 cfs
0 cfs/hr
L7-
Below Recom.
01h57m
Cacapon [WV] US 50 at Capon Bridge to WV 127 Bridge II 3.34 ft
0.00 ft/hr
R4-
Runnable
00h58m
Catoctin Creek [VA] SR 663 to Potomac Confluence II 1.76 ft
0.00 ft/hr
L6-
Below Recom.
00h58m
Catoctin Creek [MD] US 40 to Potomac River I-II 2.04 ft
0.00 ft/hr
L9-
Below Recom.
01h28m
Cedar Creek [VA] 1 - Above Route 55 II 90 cfs
0 cfs/hr
L9-
Below Recom.
00h28m
Cedar Creek [VA] 2 - Route 55 to Route 11 I-II 90 cfs
0 cfs/hr
L8-
Below Recom.
00h28m
Crabtree Creek [MD] Swanton, MD to Savage Reservoir III-IV+ 179 cfs
+ 13 cfs/hr
L4-
Below Recom.
01h57m
Cub Run [VA] Route 29 bridge to Compton Road I-III 2.03 ft
0.00 ft/hr
L2-
Below Recom.
00h43m
Dead Run [VA] George Washington Parkway to Potomac River V 4 cfs
0 cfs/hr
L7-
Below Recom.
00h28m
Difficult Creek [WV] Upstream to Potomac, N. Branch near Gormania IV-V n/a

Difficult Run [VA] Old Georgetown Pike (Route 193) to Potomac R. III-IV(V+) 26 cfs
-1 cfs/hr
L9-
Below Recom.
00h58m
Donaldson Run [VA] Military Road to Potomac River IV-V 4 cfs
0 cfs/hr
L7-
Below Recom.
00h28m
Dry [VA] Dry Run (Rt 33) to Lily (Route 613) II-III 24 cfs
0 cfs/hr
L9-
Below Recom.
01h13m
Dry [VA] Lily (Route 613) to North River I-III 24 cfs
0 cfs/hr
L3-
Below Recom.
01h13m
Evitts Creek [MD] Lake Gordon Dam (PA) to Maryland Route 51(MD) I-III 3.31 ft
-0.01 ft/hr
L7-
Below Recom.
01h42m
Fifteen Mile Creek [MD] US Route 40 to Potomac River I-II(III) 1.79 ft
-0.01 ft/hr
L8-
Below Recom.
02h12m
Flintstone Creek [MD] Flintstone Creek Road to Town Creek I-III 218 cfs
-3 cfs/hr
L8-
Below Recom.
01h42m
Four Mile Run [VA] Ohio Street to Arlington Ridge Rd III 4 cfs
0 cfs/hr
L8-
Below Recom.
00h28m
Georges Creek [MD] Maryland Rte. 36 (Midland) to N. Branch Potomac River III-IV 4.07 ft
-0.01 ft/hr
L7-
Below Recom.
01h28m
Gooney Run [VA] Browntown (RJ 622/649) to Karo Landing (Route 340) III-IV+ n/a

Goose Creek [VA] Fairfax Dam to The Potomac River I-II(III) 2.07 ft
0.00 ft/hr
R0-
Lower Runnable
01h28m
Happy Creek [VA] Harmony Orchard Rd. to Happy Cr. Rd III+(IV) n/a

Hunting Creek [MD] Catoctin Hollow Road to Frank Bentz Lake III-IV+(V) 65 cfs
0 cfs/hr
L7-
Below Recom.
01h28m
Jennings Branch [VA] Jennings Gap to Middle R. I-III 24 cfs
0 cfs/hr
L9-
Below Recom.
01h13m
Jennings Run [MD] Barrelville to Wills Creek III+ 468 cfs
0 cfs/hr
L8-
Below Recom.
00h58m
Jordan Run [WV] Jordan Run Road to Rt. 28/55 V+ ~ 876 cfs
0 cfs/hr
L4-
Below Recom.
01h13m
Laurel Run [MD] Laurel Run IV 3.95 ft
-0.01 ft/hr
L2-
Below Recom.
01h57m
Licking Creek [PA] Knobsville to US Route 30 I-II n/a

Little (North R. trib) [VA] Hearthstone Dam to Bridge at Camp May Flather III 24 cfs
0 cfs/hr
L8-
Below Recom.
01h13m
Little Seneca Creek [MD] Boyds to Darnestown II(III) 85 cfs
+ 2 cfs/hr
L8-
Below Recom.
01h23m
Little Wills Creek [PA] Madley (PA Route 96) to Wills Creek I-II 468 cfs
0 cfs/hr
L9-
Below Recom.
00h58m
Lost [WV] 1. Lost River (town) to WV 55/259 bridge above Wardensville I-II 1.81 ft
0.00 ft/hr
L7-
Below Recom.
01h13m
Lost [WV] 2. WV 55/259 Bridge to WV 259 Bridge below Wardensville II-III(IV) 1.81 ft
0.00 ft/hr
L8-
Below Recom.
01h13m
Lunice Creek, North Fork [WV] Confluence of Shell Run near Maysville to the confluence of ... I-III 198 cfs
0 cfs/hr
L1-
Below Recom.
00h28m
Lunice Creek [WV] WV 42 bridge near the confluence of the North Fork and South... I-II 198 cfs
0 cfs/hr
L9-
Below Recom.
00h28m
Manassas Run [VA] Dismal Hollow Road to Morgan Ford Road (SR 624) II-III n/a

Marsh Creek [PA] Old US Route 15 to Horner Road II-III ~ 189 cfs
-3 cfs/hr
L3-
Below Recom.
01h42m
Middle Creek (Toms Creek trib.) [PA] T318 to Harney Road II+ 189 cfs
-3 cfs/hr
L8-
Below Recom.
01h42m
Middle creek [MD] Wolfsville to Myersville II-III(V) 2.04 ft
0.00 ft/hr
L7-
Below Recom.
01h28m
Middle [VA] Westview (Route 254) to Verona (Route 11) I-II 3.23 ft
0.00 ft/hr
L7-
Below Recom.
00h58m
Mill Creek (Shenandoah trib) [VA] Route 42 to N. Fork Shenandoah I-III(V) 173 cfs
0 cfs/hr
L9-
Below Recom.
00h58m
New Creek [WV] Bridge near the Intersection of US220 and WV 93 to Keyser I-II n/a

North River [WV] Grassy Lick Run to Rio at WV 29 bridge II-IV 198 cfs
0 cfs/hr
L2-
Below Recom.
00h28m
North [VA] Below Staunton Dam to Spring Creek (Route 727) II-IV 24 cfs
0 cfs/hr
L4-
Below Recom.
01h13m
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 65 cfs
0 cfs/hr
L7-
Below Recom.
01h28m
Owens Creek [MD] 2) Rocky Ridge Road (Hwy.77) to Monocacy River I-II 65 cfs
0 cfs/hr
L9-
Below Recom.
01h28m
Passage Creek [VA] Elizabeth Furnance to Waterlick (Route 55) II-III 56 cfs
0 cfs/hr
L9-
Below Recom.
00h28m
Passage Creek [VA] Kings Crossing Road (Route 769) to Elizabeth Furnace I-II 56 cfs
0 cfs/hr
L9-
Below Recom.
00h28m
Patterson Creek, North Fork [WV] Scherr (Rt. 93) to Knobley Rd. (CR 3) II-III(IV) 4.01 ft
0.00 ft/hr
L4-
Below Recom.
00h28m
Pimmit Run [VA] 1. Old Dominion Drive to above Glebe Road II-III 4 cfs
0 cfs/hr
L9-
Below Recom.
00h28m
Pimmit Run [VA] 2. Glebe Road to the Potomac IV(V) 4 cfs
0 cfs/hr
L8-
Below Recom.
00h28m
Pohick Creek [VA] Hooes Rd. (Route 636) to Lorton P.O. (Route 1) II-III+ 6 cfs
0 cfs/hr
L9-
Below Recom.
01h28m
Potomac, Brushy Fork of the S. Fk. of the S. Br. [WV] Base of Dam to confluence of the South Fork II 46.79 ft
0.00 ft/hr
L7-
Below Recom.
00h43m
Potomac, Laurel Fork of North Fork of South Branch [WV] Route 642 to confluence with Straight Fork II-III+ 2.50 ft
0.00 ft/hr
L4-
Below Recom.
00h43m
Potomac, North Branch [WV] 1. Henry, WV to Gormania, WV I-III 3.95 ft
-0.01 ft/hr
L4-
Below Recom.
01h57m
Potomac, North Branch [WV] 2. Gormania, WV to Kitzmiller, MD III-IV 3.95 ft
-0.01 ft/hr
L9-
Below Recom.
01h57m
Potomac, North Branch [WV] 3. Kitzmiller, MD to Jennings Randolph Lake II-III 3.95 ft
-0.01 ft/hr
R1-
Lower Runnable
01h57m
Potomac, North Branch [WV] 4. Barnum, WV to Bloomington, MD II(III) 257 cfs
0 cfs/hr
L5-
Below Recom.
01h57m
Potomac, North Branch [WV] 5. Bloomington, MD to Keyser, WV I-II 600 cfs
0 cfs/hr
R0-
Lower Runnable
02h12m
Potomac, North Fork of South Branch [WV] 1. Confluence of Laurel Fork and Straight Fork to Cherry Gro... II-III 5.66 ft
0.00 ft/hr
L3-
Below Recom.
01h13m
Potomac, North Fork of South Branch [WV] 2. Cherry Grove to Riverton I-II 5.66 ft
0.00 ft/hr
L7-
Below Recom.
01h13m
Potomac, North Fork of South Branch [WV] 3. Riverton to Seneca Rocks I-II(III) 5.66 ft
0.00 ft/hr
R0-
Lower Runnable
01h13m
Potomac, North Fork of South Branch [WV] 4. Seneca Rocks to Head of Hopeville Canyon I-III 5.66 ft
0.00 ft/hr
R0-
Lower Runnable
01h13m
Potomac, North Fork of South Branch [WV] 5. Head of Hopeville Canyon to Hopeville II-III 5.66 ft
0.00 ft/hr
R2-
Lower Runnable
01h13m
Potomac, North Fork of South Branch [WV] 6. Hopeville to South Branch Confluence I-II 5.66 ft
0.00 ft/hr
R2-
Lower Runnable
01h13m
Potomac, S. Branch [WV] 1. VA/ WV state line to CR 23 bridge near the confluence of ... I-II 2.50 ft
0.00 ft/hr
L3-
Below Recom.
00h43m
Potomac, S. Branch [WV] 2. CR 23 bridge near Thorn Creek confluence to Ruddle near B... I-II 2.50 ft
0.00 ft/hr
L7-
Below Recom.
00h43m
Potomac, S. Branch [WV] 3. Ruddle near Buffalo Run confluence to US 220 bridge north... I-II 2.50 ft
0.00 ft/hr
L8-
Below Recom.
00h43m
Potomac, S. Branch [WV] 4. US 220 Bridge North of Upper Tract to Big Bend Campground I-III+ 2.50 ft
0.00 ft/hr
R0-
Lower Runnable
00h43m
Potomac, S. Branch [WV] 5. Big Bend Campground to US220 bridge South of Petersburg I-II(III) 2.50 ft
0.00 ft/hr
R0-
Lower Runnable
00h43m
Potomac, S. Branch [WV] 6. US 220 bridge South of Petersburg to US 220 bridge North ... I-II 5.14 ft
+0.02 ft/hr
R5-
Runnable
01h13m
Potomac, S. Branch [WV] 7. US 220 Bridge north of Moorefield to Harmison's Landing ... I-II 3.53 ft
-0.01 ft/hr
R1-
Lower Runnable
00h43m
Potomac, S. Fk. of the S. Br. [VA] 0. Palo Alto to VA/WV state line II 1.81 ft
0.00 ft/hr
L3-
Below Recom.
01h13m
Potomac, S. Fk. of the S. Br. [WV] 1. VA/WV state line to confluence of Brushy Fork II 1.81 ft
0.00 ft/hr
L3-
Below Recom.
01h13m
Potomac, S. Fk. of the S. Br. [WV] 2. Confluence of Brushy Fork to Brandywine I-II 1.81 ft
0.00 ft/hr
L5-
Below Recom.
01h13m
Potomac, S. Fk. of the S. Br. [WV] 3. Brandywine to Fort Seybert ( CR 3 bridge) I-II 1.81 ft
0.00 ft/hr
L7-
Below Recom.
01h13m
Potomac, S.Fk. of the S.Br. [WV] 4. Fort Seybert (CR 3 bridge) to Milam (CR 7/3 bridge) II-IV 1.81 ft
0.00 ft/hr
L9-
Below Recom.
01h13m
Potomac, S.Fk. of the S.Br. [WV] 5. Milam bridge (CR 7/3) to the confluence of Shooks Run I-II(III) 3.34 ft
0.00 ft/hr
R2-
Lower Runnable
00h58m
Potomac, S.Fk. of the S.Br. [WV] 6. Confluence of Shooks Run to Confluence of the South Branc... I-II 3.34 ft
0.00 ft/hr
R2-
Lower Runnable
00h58m
Potomac, South Branch [VA] 0. Confluence of Straight Creek to VA/Wv state line I-II 2.50 ft
0.00 ft/hr
L3-
Below Recom.
00h43m
Potomac [MD] 1. Sandy Hook to Point of Rocks I-II 6.60 ft
-0.02 ft/hr
R9-
Upper Runnable
01h57m
Potomac [MD] 2. Violette's Lock/GW Canal Loop I-II 4.27 ft
-0.01 ft/hr
R4-
Runnable
01h28m
Potomac [VA] 3. Great Falls (Center Lines) V+ 4.27 ft
-0.01 ft/hr
H4-
Above Recom.
01h28m
Potomac [MD] 3. Great Falls (Fish Ladder) V+ 4.27 ft
-0.01 ft/hr
R6-
Runnable
01h28m
Potomac [MD] 3. Great Falls (MD Lines) V+ 4.27 ft
-0.01 ft/hr
H9-
Above Recom.
01h28m
Potomac [VA] 3. Great Falls (VA Lines) V 4.27 ft
-0.01 ft/hr
H9-
Above Recom.
01h28m
Potomac [MD] 4. Mather Gorge to Lock 10 I-IV 4.27 ft
-0.01 ft/hr
R3-
Runnable
01h28m
Potomac [MD] 5. Lock 10 to Little Falls I 4.27 ft
-0.01 ft/hr
R2-
Lower Runnable
01h28m
Potomac [MD] 6. Little Falls II-III(IV) 4.27 ft
-0.01 ft/hr
R1-
Lower Runnable
01h28m
Potomac [WV] Harpers Ferry - Dam #3 to Rt. 340 Bridge II+ 6.60 ft
-0.02 ft/hr
R9-
Upper Runnable
01h57m
Quantico Creek, S. Branch [VA] Route 619 to Dumfries (Route 627) I-III 1.73 ft
0.00 ft/hr
L3-
Below Recom.
00h58m
Quantico Creek [VA] Trail 7 to Dumfries (Route 627) II-III 0.90 ft
+0.01 ft/hr
L7-
Below Recom.
00h28m
Rock Creek [MD] 1. Rockville to Military Road I(II) 32 cfs
0 cfs/hr
L8-
Below Recom.
01h57m
Rock Creek [MD] 2. Military Road to Potomac River in D.C. I-III 32 cfs
0 cfs/hr
L8-
Below Recom.
01h57m
Rock Creek [DC] Rock Creek Park II-III(IV) 32 cfs
0 cfs/hr
L8-
Below Recom.
01h57m
Savage [MD] Avilton Lonaconing Road to Head of Savage Reservoir II(IV) 179 cfs
+ 13 cfs/hr
L8-
Below Recom.
01h57m
Savage [MD] Dam to North Branch Potomac River III-IV 254 cfs
0 cfs/hr
R0-
Lower Runnable
01h57m
Scott Run [VA] Old Dominion Drive to Potomac River II-IV(V+) ~ 26 cfs
-1 cfs/hr
L8-
Below Recom.
00h58m
Seneca Creek [WV] 1. (Upper) Judy Springs to Forest Service Campground IV-V+ 876 cfs
0 cfs/hr
L2-
Below Recom.
01h13m
Seneca Creek [WV] 2. (Lower) Forest Service Campground to Route 28 Bridge III 5.66 ft
0.00 ft/hr
L8-
Below Recom.
01h13m
Seneca Creek [MD] Black Rock Mill to Riley's Lock Boat Ramp I-II 85 cfs
+ 2 cfs/hr
L8-
Below Recom.
01h23m
Shenandoah, N. Fork [VA] Riverside Church (Route 921) to Shenandoah Caverns (Route 73... I-III 3.23 ft
0.00 ft/hr
L9-
Below Recom.
00h58m
Shenandoah, S. Fork [VA] Bixler's Bridge (Route 675) to Bentonville (Route 613) I-II 1.52 ft
0.00 ft/hr
R0-
Lower Runnable
00h58m
Shenandoah, S. Fork [VA] Elkton (Route 33) to Luray (Route 211) I-II 1.52 ft
0.00 ft/hr
R0-
Lower Runnable
00h58m
Shenandoah [WV] 1. VA/WV state line to Bloomery Road (WV 9) I-II 2.67 ft
-0.01 ft/hr
R2-
Lower Runnable
00h43m
Shenandoah [WV] 2. Bloomery Road (WV 9) to Millville I-II 2.67 ft
-0.01 ft/hr
R2-
Lower Runnable
00h43m
Shenandoah [WV] 3. Millville to Harpers Ferry II-III 2.67 ft
-0.01 ft/hr
R1-
Lower Runnable
00h43m
Shenandoah [VA] Route 50 to Route 7 I(II) 1.52 ft
0.00 ft/hr
R1-
Lower Runnable
00h58m
Sideling Hill Creek [MD] Purcell Penn.(sr 2011)to the Potomac river I-II 1.79 ft
-0.01 ft/hr
R0-
Lower Runnable
02h12m
Sleepy Creek, Meadow Branch [WV] Sleepy Creek Dam to bridge on CR9 II-V n/a

Sleepy Creek [WV] 1. CR 13 near Smith Crossroads to CR 9 near Meadow Branch co... I-II(III) 198 cfs
0 cfs/hr
L4-
Below Recom.
00h28m
Sleepy Creek [WV] 2. CR 9 near Meadow Branch confluence to Potomac confluence I-II 198 cfs
0 cfs/hr
L8-
Below Recom.
00h28m
South (Shenandoah tributary) [VA] Waynesboro (Rte. 611) to Lynnwood (Rte. 708) I-II 2.51 ft
0.00 ft/hr
L9-
Below Recom.
00h58m
Spout Run [VA] Highway 29 to Potomac River V 4 cfs
0 cfs/hr
L7-
Below Recom.
00h28m
Stony Creek (NF Shenandoah trib) [VA] LiRoute 720 to N. Fork Shenandoah II+ 3.23 ft
0.00 ft/hr
L8-
Below Recom.
00h58m
Stony River [WV] 1. Vepco Dam to Route 50 III+ n/a

Stony River [WV] 2. Route 50 to North Branch of Potomac River III-IV n/a

Tearcoat Creek [WV] US 50 near Pleasantdale to the confluence of the North River II-III 2.91 ft
-0.01 ft/hr
L2-
Below Recom.
00h43m
Thorn/Whitethorn Creek [WV] Moyers to South Branch of Potomac River confluence near CR 2... II-III(IV) 169 cfs
0 cfs/hr
L1-
Below Recom.
00h43m
Town Creek [PA] Chaneysville to I-68 (Maryland) I-II 3.31 ft
-0.01 ft/hr
R0-
Lower Runnable
01h42m
Town Creek [MD] I-68 to Potomac River I 218 cfs
-3 cfs/hr
R0-
Lower Runnable
01h42m
Trout Run [WV] Halfmoon Trail to WV 55/259 bridge II-IV 19 cfs
0 cfs/hr
L1-
Below Recom.
01h13m
Waites Run [WV] Wilson Cove to WV 55 bridge near the confluence of Lost Rive... II-IV 19 cfs
0 cfs/hr
L1-
Below Recom.
01h13m
White's Run [WV] Up Forest Service Road to Seneca Creek IV n/a

Wills Creek [MD] Ellerslie to Eckhart Junction I-II 468 cfs
0 cfs/hr
R0-
Lower Runnable
00h58m
Wills Creek [PA] Fairhope to Hyndman III-IV(V) 2.92 ft
0.00 ft/hr
R0-
Lower Runnable
00h58m
Windy Run [VA] Military Road to Potomac River V+ 4 cfs
0 cfs/hr
L5-
Below Recom.
00h28m