Color Mode
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+) 64 cfs
-11 cfs/hr
R0-
Lower Runnable

01h02m
Anthony Creek [WV] 2. Blue Bend Recreation Area to the confluence of the Greenb... I-II 7.20 ft
+0.05 ft/hr
R0-
Lower Runnable

05h41m
Antietam Creek [MD] 2) Hwy 68 to Hwy 34 I-II 2.90 ft
0.00 ft/hr
R3-
Runnable

00h32m
Antietam Creek [MD] 3) Hwy.34 to Potomac River I-II 2.90 ft
0.00 ft/hr
R4-
Runnable

00h32m
Bennett Creek [MD] MD Route 355 to Monocacy River I-II 170 cfs
-38 cfs/hr
R2-
Lower Runnable

01h02m
Big Coal River, Marsh Fork [WV] 1: Fairdale to Arnett II-III 5.01 ft
-0.12 ft/hr
R0-
Lower Runnable

01h02m
Big Coal River, Marsh Fork [WV] 2: Arnett to Dry Creek II+ 5.01 ft
-0.12 ft/hr
R2-
Lower Runnable

01h02m
Big Coal River, Marsh Fork [WV] 3: Dry Creek to Sundial (Pettry Bottom) III-IV 1560 cfs
-80 cfs/hr
R4-
Runnable

01h02m
Big Coal River, Marsh Fork [WV] 4: Sundial (Pettry Bottom) to Whitesville I-II 5.01 ft
-0.12 ft/hr
R2-
Lower Runnable

01h02m
Big Coal River [WV] Whitesville to JM Protan community center access I 1560 cfs
-80 cfs/hr
R2-
Lower Runnable

01h02m
Big Sandy River, Tug Fork [WV] 1. Panther to Wharncliffe I-II 4.52 ft
-0.02 ft/hr
R4-
Runnable

01h02m
Big Sandy River, Tug Fork [WV] 2. Wharncliffe to Devon I-II 4.52 ft
-0.02 ft/hr
R4-
Runnable

01h02m
Birch [WV] Cora Brown Bridge to the confluence of Diatter Run I-III 4.46 ft
-0.02 ft/hr
R1-
Lower Runnable

01h32m
Blackwater [WV] 0. Wildlife Preserve to Davis I-II(III) 242 cfs
+ 12 cfs/hr
R0-
Lower Runnable

01h17m
Brandywine Creek, E. Branch [PA] PA Route 82 to PA Route 842 I-II 402 cfs
-63 cfs/hr
R3-
Runnable

01h02m
Brandywine Creek, W. Branch [PA] 1. Icedale Road (T443) to PA 340 I-III 1200 cfs
+ 50 cfs/hr
R4-
Runnable

01h17m
Brandywine Creek, W. Branch [PA] 2. PA 340 to Mortonville III 1200 cfs
+ 50 cfs/hr
R5-
Runnable

01h17m
Brandywine Creek, W. Branch [PA] 3. Mortonville to Lenape I 1200 cfs
+ 50 cfs/hr
R6-
Runnable

01h17m
Brandywine Creek [DE] Shaws Bridge Park, Lenape, PA to Thompson Bridge Road, DE I 3.87 ft
+0.09 ft/hr
R6-
Runnable

01h17m
Brandywine Creek [DE] Thompson Bridge Road to Market Street III 3.87 ft
+0.09 ft/hr
R8-
Upper Runnable

01h17m
Buck Run [PA] Doe Run Church Rd to Brandywine Confluence II 261 cfs
+ 16 cfs/hr
R6-
Runnable

01h17m
Cacapon [WV] US 50 at Capon Bridge to WV 127 Bridge II 2.86 ft
+0.03 ft/hr
R4-
Runnable

00h19m
Cheat, Black Fork [WV] Confluence of Blackwater River and the Dry Fork at Hendricks... II 5.99 ft
+0.08 ft/hr
R5-
Runnable

00h17m
Cheat, Dry Fork [WV] 2. Confluence of Gandy Creek to Synder Road (CR 32/4) bridge... I-III 3.94 ft
+0.01 ft/hr
R4-
Runnable

01h17m
Cheat, Dry Fork [WV] 3. Synder Road (CR 32/4 bridge over Dry Fork to Jenningston I-II 3.94 ft
+0.01 ft/hr
R4-
Runnable

01h17m
Cheat, Dry Fork [WV] 4. Jenningston to Hendricks III-IV 3.94 ft
+0.01 ft/hr
R5-
Runnable

01h17m
Cheat, Glady Fork [WV] 1, Glady to US 33 Bridge I-II 424 cfs
-33 cfs/hr
R0-
Lower Runnable

00h32m
Cheat, Glady Fork [WV] 2. US 33 Bridge to CR 12 bridge near Sully I-II 424 cfs
-33 cfs/hr
R0-
Lower Runnable

00h32m
Cheat, Glady Fork [WV] 3. CR 12 bridge near Sully to confluence of the Dry Fork nea... I-III 424 cfs
-33 cfs/hr
R0-
Lower Runnable

00h32m
Cheat, Laurel Fork [WV] US 33 Bridge to Cheat, Dry Fork (Jenningston) III-IV 2180 cfs
+ 291 cfs/hr
R0-
Lower Runnable

03h16m
Cheat, Shavers Fork [WV] 1. Spruce to US Route 250 (Cheat Bridge) I-II 6.45 ft
-0.11 ft/hr
R1-
Lower Runnable

00h32m
Cheat, Shavers Fork [WV] 2. US Route 250 (Cheat Bridge) to McGee Run I-III 6.45 ft
-0.11 ft/hr
R1-
Lower Runnable

00h32m
Cheat, Shavers Fork [WV] 3. McGee Run to Bemis III-V 6.45 ft
-0.11 ft/hr
R8-
Upper Runnable

00h32m
Cheat, Shavers Fork [WV] 4. Bemis to Bowden II-IV 6.29 ft
0.00 ft/hr
R4-
Runnable

00h17m
Cheat, Shavers Fork [WV] 5. Bowden to bridge crossing Shavers Fork near Little Black ... I-II 6.29 ft
0.00 ft/hr
R2-
Lower Runnable

00h17m
Cheat, Shavers Fork [WV] 6. Bridge crossing Shavers Fork near Little Black Fork to P... I-II 6.29 ft
0.00 ft/hr
R2-
Lower Runnable

00h17m
Cheat [WV] 1. (Narrows) Below Rowlesburg to above Albright Power Dam III-IV 3170 cfs
+ 121 cfs/hr
R6-
Runnable

00h17m
Cheat [WV] 2. (Canyon) Albright to Jenkinsburg Bridge III-IV 11.02 ft
0.00 ft/hr
R0-
Lower Runnable

01h02m
Cherry [WV] Richwood Inn to Gauley River II-III 11.78 ft
+0.01 ft/hr
R1-
Lower Runnable

01h17m
Clarion River [PA] Portland Mills to Cooksburg I(II) 871 cfs
-7 cfs/hr
R4-
Runnable

00h47m
Clinch [VA] Pucketts Hole to Nash Ford I-III 600 cfs
0 cfs/hr
U0-

01h02m
Clinch [VA] St. Paul to Dungannon II 600 cfs
0 cfs/hr
R0-
Lower Runnable

01h02m
Codorus Creek [PA] John Rudy Park to Codorus Furnace Road II(III) ~ 792 cfs
-18 cfs/hr
R6-
Runnable

01h02m
Conemaugh [PA] Johnstown to Torrance I-II 503 cfs
0 cfs/hr
R0-
Lower Runnable

01h02m
Conewago Creek (East) [PA] Aberdeen Mills to Hillsdale Rd I-III 5.27 ft
-0.12 ft/hr
R5-
Runnable

00h47m
Conococheague Creek [MD] Wilson Bridge (US 40) to Williamsport, MD Boat Ramp I 2.12 ft
+0.06 ft/hr
R0-
Lower Runnable

04h01m
Cowpasture [VA] 1. Shaw Fork (Route 250) to Route 625 bridge I-III 370 cfs
0 cfs/hr
U0-

00h17m
Cowpasture [VA] 2. Griffith (Route 630 Ford) to James River I-II 370 cfs
0 cfs/hr
R0-
Lower Runnable

00h17m
Craig Creek [VA] Old Route 311 bridge (near Route 621) to New Castle (Route 6... I-II 490 cfs
-5 cfs/hr
R0-
Lower Runnable

00h32m
Craig Creek [VA] Roaring Run to James River confluence I 490 cfs
-5 cfs/hr
R0-
Lower Runnable

00h32m
Dan [VA] 0.3 Kibler Valley Power Plant to Claudville I-III 412 cfs
0 cfs/hr
R0-
Lower Runnable

01h17m
Dan [VA] 0.4 Claudville (Route 103) to Jessups Mill (Collinstown Rd/R... I-II(III) 412 cfs
0 cfs/hr
R0-
Lower Runnable

01h17m
Deer Creek [MD] 2. Harford Creamery Rd. to Eden Mill Park boat ramp I 2.70 ft
+0.04 ft/hr
R1-
Lower Runnable

00h32m
Deer Creek [MD] 3. Eden Mill Dam to Rocks State Park I-II(III) 2.70 ft
+0.04 ft/hr
R4-
Runnable

00h32m
Deer Creek [MD] 4. Rocks State Park to US 1, Benjamin Bridge Access I-II(III) 2.70 ft
+0.04 ft/hr
R2-
Lower Runnable

00h32m
Deer Creek [MD] 5. US Rt 1, Benjamin Bridge Access to MD 136 I-II 2.70 ft
+0.04 ft/hr
R3-
Runnable

00h32m
Deer Creek [MD] 6. MD 136 to Susquehanna River I-II 2.70 ft
+0.04 ft/hr
R3-
Runnable

00h32m
Delaware [NJ] Delaware Water Gap - Smithfield Beach to Kittatinny Point Vi... I-II 8790 cfs
+ 100 cfs/hr
R1-
Lower Runnable

00h32m
Delaware [PA] Lambertville Wing Dam II+ ~ 4.85 ft
+0.01 ft/hr
R5-
Runnable

02h16m
Delaware [NJ] Scudders Falls Recreation Area II+ 8790 cfs
+ 100 cfs/hr
R0-
Lower Runnable

00h32m
Difficult Run [VA] Old Georgetown Pike (Route 193) to Potomac R. III-IV(V+) 510 cfs
-194 cfs/hr
R0-
Lower Runnable

00h32m
Elk River, Back Fork [WV] 2. Confluence of Sugar Creek(Skelt) to Big Sycamore(Breece) II-IV 6.13 ft
+0.03 ft/hr
R2-
Lower Runnable

01h02m
Elk River, Back Fork [WV] 3. Big Sycamore (Breece) to Webster Springs II+ 6.13 ft
+0.03 ft/hr
R5-
Runnable

01h02m
Elk River [WV] 2. Elk Springs(fish hatchery) to Bergoo II-III+(IV) 6.13 ft
+0.03 ft/hr
R4-
Runnable

01h02m
Elk River [WV] 3. Bergoo to Webster Springs II-III(IV) 6.13 ft
+0.03 ft/hr
R5-
Runnable

01h02m
Elk River [WV] 4. Webster Springs to CR7 bridge and gauging station II-III 6.13 ft
+0.03 ft/hr
R4-
Runnable

01h02m
French Creek [PA] Route 100 to French Creek Road II 6.15 ft
-0.09 ft/hr
R0-
Lower Runnable

01h17m
Gauley [WV] 5. Camden-0n-Gauley to Curtin Bridge I-II 11.78 ft
+0.01 ft/hr
R0-
Lower Runnable

01h17m
Gauley [WV] 6. Curtin Bridge to confluence with Persinger Creek II-III(IV) 11.78 ft
+0.01 ft/hr
R2-
Lower Runnable

01h17m
Gauley [WV] 7 (Upper). Summersville Dam to Mason Branch IV-V 2639 cfs
+ 29 cfs/hr
R4-
Runnable

01h04m
Gauley [WV] 8 (Middle). Mason Branch to Bucklick Branch III+(IV) 2860 cfs
+ 29 cfs/hr
R4-
Runnable

01h34m
Gauley [WV] 9 (Lower). Bucklick Branch to Swiss III-IV(V) 2190 cfs
+ 201 cfs/hr
R4-
Runnable

00h47m
Goose Creek [VA] Fairfax Dam to The Potomac River I-II(III) 2.09 ft
+0.04 ft/hr
R0-
Lower Runnable

01h02m
Greenbrier River [WV] 07. Ronceverte to Fort Spring I-II 3.20 ft
0.00 ft/hr
R0-
Lower Runnable

01h02m
Greenbrier River [WV] 08. Fort Spring to Alderson I-II 3.20 ft
0.00 ft/hr
R0-
Lower Runnable

01h02m
Greenbrier River [WV] 09. Talcott to Willowood Bridge (WV 3&12) I-II(III) 2.09 ft
0.00 ft/hr
R3-
Runnable

01h02m
Greenbrier River [WV] 10. Willowood bridge (WV 3&12) to Bellepoint I-II 2.09 ft
0.00 ft/hr
R3-
Runnable

01h02m
Gunpowder Falls [MD] 2 - Prettyboy Dam to Falls Road I-III 106 cfs
0 cfs/hr
R3-
Runnable

00h47m
Gunpowder Falls [MD] 3 - Masemore Road to Monkton Road I-II 106 cfs
0 cfs/hr
R3-
Runnable

00h47m
Gunpowder Falls [MD] 4. Monkton Road to Phoenix I 258 cfs
-5 cfs/hr
R4-
Runnable

00h32m
Gunpowder Falls [MD] 5 - Lower Loch Raven Dam to Route 1 I-II ~ 375 cfs
-29 cfs/hr
R3-
Runnable

00h19m
Gunpowder Falls [MD] 6 - Route 1 to U.S.40 II-III ~ 382 cfs
-29 cfs/hr
R2-
Lower Runnable

00h19m
Guyandotte River [WV] Simon to R D Bailey Lake backwaters I-III 4.03 ft
-0.01 ft/hr
R0-
Lower Runnable

00h17m
Holly River, Left Fork [WV] Hacker Valley to Mill Dam II-III 6.13 ft
+0.03 ft/hr
R0-
Lower Runnable

01h02m
Holly River, Right Fork [WV] 2. Confluence of Grassy Creek near Diana to confluence of Le... I-II 6.13 ft
+0.03 ft/hr
R0-
Lower Runnable

01h02m
Holston, South Fork [VA] Damascus to Alvarado II(III) 461 cfs
-5 cfs/hr
R0-
Lower Runnable

01h02m
Jackson [VA] 2. Gathright Dam to James River I-II 605 cfs
0 cfs/hr
R0-
Lower Runnable

00h17m
James [VA] 01. Iron Gate to Glen Wilton I-II 1420 cfs
-20 cfs/hr
R3-
Runnable

01h02m
James [VA] 02. Glen Wilton to Gala I-II 1420 cfs
-20 cfs/hr
R3-
Runnable

01h02m
James [VA] 03. Gala to Eagle Rock I 1420 cfs
-20 cfs/hr
R4-
Runnable

01h02m
James [VA] 1. Eagle Rock (Route 43) to Springwood (Route 630) I-II 2350 cfs
0 cfs/hr
R4-
Runnable

01h02m
James [VA] 1.2. Springwood to Buchanan I 2350 cfs
0 cfs/hr
R4-
Runnable

01h02m
James [VA] 1.4. Buchanan to Arcadia I-II 2350 cfs
0 cfs/hr
R3-
Runnable

01h02m
James [VA] 1.6. Arcadia to Alpine I(II) 2350 cfs
0 cfs/hr
R3-
Runnable

01h02m
James [VA] 1.8. Alpine to Glasgow I-II 2350 cfs
0 cfs/hr
R3-
Runnable

01h02m
James [VA] 2. Balcony Falls Run II+(III) 2350 cfs
0 cfs/hr
R3-
Runnable

01h02m
James [VA] 3. Snowdon (Route 501/130) to Six Mile I-II 3890 cfs
0 cfs/hr
R4-
Runnable

01h02m
James [VA] 4. Upper James into Richmond II-III+ 5.82 ft
-0.01 ft/hr
R4-
Runnable

00h17m
James [VA] 5. Lower James through Richmond II-III+ 5.82 ft
-0.01 ft/hr
R5-
Runnable

00h17m
Lackawanna [PA] 2. Carbondale to Susquehanna R. I-IV 215 cfs
-7 cfs/hr
R0-
Lower Runnable

00h47m
Laurel Creek (Elk River tributary) [WV] 2. Erbacon to Centralia III-IV+ 6.13 ft
+0.03 ft/hr
R0-
Lower Runnable

01h02m
Lehigh [PA] 3. Glen Onoko to Bowmanstown I-II 1650 cfs
0 cfs/hr
R4-
Runnable

01h19m
Lehigh [PA] 4. PA Rte 435 to Canal Park, Allentown I-III 3140 cfs
+ 211 cfs/hr
R4-
Runnable

00h17m
Little Birch River [WV] US 19 to confluence of Birch River I-II 6.13 ft
+0.03 ft/hr
R0-
Lower Runnable

01h02m
Little Coal River. Pond Fork [WV] 2. Van to Madison I-II 12.23 ft
+0.17 ft/hr
R3-
Runnable

00h32m
Little Patuxent [MD] US Route 29 (Columbia) to US Route 1 I-IV 286 cfs
-36 cfs/hr
R2-
Lower Runnable

00h32m
Lost [WV] 1. Lost River (town) to WV 55 bridge 3.7 miles above Wardens... I-II 654 cfs
-161 cfs/hr
R6-
Runnable

00h34m
Lost [WV] 2. WV 55 Bridge 3.7 miles above Wardensville to WV 259 Bridg... II-III(IV) 654 cfs
-161 cfs/hr
R6-
Runnable

00h34m
Mahoning Creek [PA] McCrea Furnace to Route 66 I-II 226 cfs
0 cfs/hr
R0-
Lower Runnable

01h02m
Maury [VA] Rockbridge Baths to James River II(III) 2.56 ft
-0.04 ft/hr
R2-
Lower Runnable

00h21m
Mayo, N. Fork [VA] Va Route 629 to NC Route 1359 II-III 547 cfs
0 cfs/hr
R0-
Lower Runnable

01h02m
Mayo, S. Fork [VA] VA Route 695 to Mayo River along NC Route 1359 I-III 215 cfs
0 cfs/hr
R0-
Lower Runnable

01h02m
Middle Patuxent [MD] Carroll Mill Road to Savage Mill I-II(IV) 4.53 ft
-0.13 ft/hr
R0-
Lower Runnable

00h32m
Middle [VA] Westview (Route 254) to Verona (Route 11) I-II 6.69 ft
-0.16 ft/hr
R3-
Runnable

00h32m
Mill Creek (Shenandoah trib) [VA] Route 42 to N. Fork Shenandoah I-III(V) 2180 cfs
-161 cfs/hr
R0-
Lower Runnable

00h32m
Monocacy River [MD] 1. Creagerstown Park to Devilbiss Bridge Park I 2.33 ft
-0.01 ft/hr
R4-
Runnable

02h16m
Monocacy River [MD] 2. Devilbiss Bridge Park to Riverbend Park I 2.33 ft
-0.01 ft/hr
R4-
Runnable

02h16m
Monocacy River [MD] 3. Pinecliff Park to Buckeystown Park I(II) 2.33 ft
-0.01 ft/hr
R4-
Runnable

02h16m
Monocacy River [MD] 4. Buckeystown Park to Park Mills Road I(II) 2.33 ft
-0.01 ft/hr
R4-
Runnable

02h16m
Muddy Creek (Susquehanna trib) [PA] 2. Paper Mill Road to Susquehanna River (Cold Creek Park) II(III) 241 cfs
+ 3 cfs/hr
R4-
Runnable

00h17m
Musconetcong [NJ] Bloomsbury to Delaware River II 254 cfs
+ 7 cfs/hr
R6-
Runnable

00h32m
New [VA] 01. Stuart Dam (Route 58) to Fries (Route 94) I-II(III) 4140 cfs
-50 cfs/hr
R6-
Runnable

00h17m
New [VA] 02.0 Fries Dam to Byllesby Dam I-III 4140 cfs
-50 cfs/hr
R6-
Runnable

00h17m
New [VA] 02.1 Byllesby Dam to Ivanhoe II-III 5330 cfs
0 cfs/hr
R7-
Upper Runnable

00h11m
New [VA] 02.2 Ivanhoe to Austinville I-II 5330 cfs
0 cfs/hr
R6-
Runnable

00h11m
New [VA] 02.3 Austinville to Foster Falls I-II 5330 cfs
0 cfs/hr
R6-
Runnable

00h11m
New [VA] 03.0 Foster Falls to Barren Springs II 7010 cfs
+ 151 cfs/hr
R6-
Runnable

00h17m
New [VA] 03.1 Barren Springs to Allisonia II 7010 cfs
+ 151 cfs/hr
R6-
Runnable

00h17m
New [VA] 04. Claytor Dam to above McCoy Falls I-II 3.57 ft
+0.14 ft/hr
R4-
Runnable

00h32m
New [VA] 05. McCoy Falls to Eggleston I-II(III) 3.57 ft
+0.14 ft/hr
R4-
Runnable

00h32m
New [VA] 06. Eggleston to Ripplemead I-II 5.76 ft
-0.01 ft/hr
R5-
Runnable

00h17m
New [VA] 07. Ripplemead to Pearisburg I-II 5.76 ft
-0.01 ft/hr
R5-
Runnable

00h17m
New [VA] 08. Pearisburg to Glen Lyn I-II+(III) 5.76 ft
-0.01 ft/hr
R5-
Runnable

00h17m
New [VA] 09. Glen Lyn, VA to Bull Falls Camping Area, WV I-III 5.76 ft
-0.01 ft/hr
R5-
Runnable

00h17m
New [WV] 10. Bluestone Dam to Sandstone I-III(IV) 3.80 ft
+0.03 ft/hr
R5-
Runnable

00h47m
New [WV] 11. Sandstone to McCreery I-III 11300 cfs
0 cfs/hr
R7-
Upper Runnable

01h02m
New [WV] 12. McCreery to Thurmond II-III 8.22 ft
-0.01 ft/hr
R7-
Upper Runnable

01h02m
New [WV] 13. Thurmond to Cunard I-III 8.22 ft
-0.01 ft/hr
R7-
Upper Runnable

01h02m
New [WV] 14. New River Gorge: Cunard to Fayette Station III-IV(V) 6.27 ft
-0.01 ft/hr
R8-
Upper Runnable

01h04m
New [WV] 15. New River Dries: Hawks Nest Dam to Gauley Bridge III-IV(V) 11.44 ft
-0.02 ft/hr
R4-
Runnable

01h02m
Paint Creek [WV] 2. Mossy to Westerly (former coal yard) II-III+ 13.21 ft
-0.02 ft/hr
R2-
Lower Runnable

01h02m
Paint Creek [WV] 3. Westerly (former coal yard) to Burnwell II-IV 13.21 ft
-0.02 ft/hr
R2-
Lower Runnable

01h02m
Passage Creek [VA] 2. Elizabeth Furnace to Waterlick (Route 55) II-III 213 cfs
+ 43 cfs/hr
R0-
Lower Runnable

01h02m
Patapsco, S. Branch [MD] 2. Marriottsville Rd to Patapsco, N. Branch confluence I-III(IV) 377 cfs
+ 62 cfs/hr
R4-
Runnable

00h32m
Patapsco [MD] 1. N. Br./S. Br. confluence to Daniels river access I 377 cfs
+ 62 cfs/hr
R4-
Runnable

00h32m
Patapsco [MD] 2. Daniels river access (below Dam) to Elkridge I-III ~ 377 cfs
+ 62 cfs/hr
R4-
Runnable

00h32m
Pequea Creek [PA] Martic Forge to Colemanville Bridge I-III 226 cfs
-4 cfs/hr
R0-
Lower Runnable

01h02m
Peters Creek [WV] County 22 bridge to mouth II-III(IV) 6.50 ft
0.00 ft/hr
R0-
Lower Runnable

00h17m
Piney Creek [WV] Beckley to the New River at McCreery III-V 2.33 ft
+0.04 ft/hr
R0-
Lower Runnable

00h17m
Potomac, North Branch [WV] 5. Bloomington, MD to Keyser, WV I-II 498 cfs
-10 cfs/hr
R0-
Lower Runnable

00h17m
Potomac, North Branch [WV] 6. Black Oak River Access Nr. McCoole, MD to Pinto, MD I 498 cfs
-10 cfs/hr
R4-
Runnable

00h17m
Potomac, North Branch [MD] 7. Pinto, MD to Upper Potomac Industrial Park (upstream of C... I 498 cfs
-10 cfs/hr
R4-
Runnable

00h17m
Potomac, North Branch [WV] 8. Wiley's Ford, WV to Oldtown Toll Bridge I 498 cfs
-10 cfs/hr
R4-
Runnable

00h17m
Potomac, North Fork of South Branch [WV] 3. Riverton to Seneca Rocks I-II(III) 1180 cfs
+ 10 cfs/hr
R0-
Lower Runnable

00h47m
Potomac, North Fork of South Branch [WV] 4. Seneca Rocks to Head of Hopeville Canyon I-III 1180 cfs
+ 10 cfs/hr
R4-
Runnable

00h47m
Potomac, North Fork of South Branch [WV] 5. Head of Hopeville Canyon to Hopeville II-III 1180 cfs
+ 10 cfs/hr
R5-
Runnable

00h47m
Potomac, North Fork of South Branch [WV] 6. Hopeville to South Branch Confluence I-II 1180 cfs
+ 10 cfs/hr
R5-
Runnable

00h47m
Potomac, S. Branch [WV] 2. CR 23 bridge near Thorn Creek confluence to Ruddle near B... I-II 3.07 ft
0.00 ft/hr
R2-
Lower Runnable

00h11m
Potomac, S. Branch [WV] 3. Ruddle near Buffalo Run confluence to US 220 bridge north... I-II 3.07 ft
0.00 ft/hr
R4-
Runnable

00h11m
Potomac, S. Branch [WV] 4. US 220 Bridge North of Upper Tract to Big Bend Campground I-III+ 3.07 ft
0.00 ft/hr
R4-
Runnable

00h11m
Potomac, S. Branch [WV] 5. Big Bend Campground to US220 bridge South of Petersburg I-II(III) 3.07 ft
0.00 ft/hr
R4-
Runnable

00h11m
Potomac, S. Branch [WV] 6. US 220 bridge South of Petersburg to US 220 bridge North ... I-II 5.80 ft
+0.05 ft/hr
R5-
Runnable

00h47m
Potomac, S. Branch [WV] 7. US 220 Bridge north of Moorefield to Harmison's Landing ... I-II 2.69 ft
+0.01 ft/hr
R4-
Runnable

00h17m
Potomac, S. Fk. of the S. Br. [VA] 0. Palo Alto to VA/WV state line II 3.00 ft
-0.09 ft/hr
U0-

00h47m
Potomac, S. Fk. of the S. Br. [WV] 1. VA/WV state line to confluence of Brushy Fork II 3.00 ft
-0.09 ft/hr
U0-

00h47m
Potomac, S. Fk. of the S. Br. [WV] 2. Confluence of Brushy Fork to Brandywine I-II 3.00 ft
-0.09 ft/hr
R3-
Runnable

00h47m
Potomac, S. Fk. of the S. Br. [WV] 3. Brandywine to Fort Seybert ( CR 3 bridge) I-II 3.00 ft
-0.09 ft/hr
R4-
Runnable

00h47m
Potomac, S.Fk. of the S.Br. [WV] 4. Fort Seybert (CR 3 bridge) to Milam (CR 7/3 bridge) II-IV 3.00 ft
-0.09 ft/hr
R5-
Runnable

00h47m
Potomac, S.Fk. of the S.Br. [WV] 5. Milam bridge (CR 7/3) to the confluence of Shooks Run I-II(III) 3.33 ft
+0.02 ft/hr
R4-
Runnable

00h32m
Potomac, S.Fk. of the S.Br. [WV] 6. Confluence of Shooks Run to Confluence of the South Branc... I-II 3.33 ft
+0.02 ft/hr
R4-
Runnable

00h32m
Potomac [MD] 0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground I 5.68 ft
+0.06 ft/hr
R4-
Runnable

00h32m
Potomac [MD] 0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan... I 5.68 ft
+0.06 ft/hr
R4-
Runnable

00h32m
Potomac [MD] 0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD I 4.43 ft
-0.01 ft/hr
R4-
Runnable

00h32m
Potomac [WV] 0.4 Big Pool/Fort Frederick Campground to Williamsport MD I 4.43 ft
-0.01 ft/hr
R4-
Runnable

00h32m
Potomac [WV] 0.5 Dam # 4 to Shepherdstown WV I 4.43 ft
-0.01 ft/hr
R4-
Runnable

00h32m
Potomac [WV] 0.6 Shepherdstown, WV to Dargans Bend Boat Ramp I 4.43 ft
-0.01 ft/hr
R4-
Runnable

00h32m
Potomac [VA] 0.7 - Potomac - Dargans Bend Boat Ramp to Potoma Wayside II+ 4.43 ft
-0.01 ft/hr
R4-
Runnable

00h32m
Potomac [VA] 0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD I-II 4.43 ft
-0.01 ft/hr
R4-
Runnable

00h32m
Potomac [MD] 0.9 Point of Rocks to Mouth of Monocacy I 4.00 ft
-0.01 ft/hr
R4-
Runnable

01h02m
Potomac [MD] 1. Mouth of Monocacy to Riley's Lock Boat Ramp I 4.00 ft
-0.01 ft/hr
R4-
Runnable

01h02m
Potomac [VA] 2. GW Canal Loop or Violette's Lock to Pennyfield Lock I-II 4.00 ft
-0.01 ft/hr
R4-
Runnable

01h02m
Potomac [MD] 3. Great Falls (Fish Ladder) IV-V(V+) 4.00 ft
-0.01 ft/hr
R5-
Runnable

01h02m
Potomac [MD] 4. Sandy Beach/O-Deck to Anglers Inn II-III(IV) 4.00 ft
-0.01 ft/hr
R5-
Runnable

01h02m
Potomac [VA] 5. Anglers Inn to Lock 10 II 4.00 ft
-0.01 ft/hr
R5-
Runnable

01h02m
Potomac [MD] 6. Lock 10 to Sycamore Island I 4.00 ft
-0.01 ft/hr
R5-
Runnable

01h02m
Potomac [MD] 7. Little Falls II-III(IV) 4.00 ft
-0.01 ft/hr
R6-
Runnable

01h02m
Potts Creek [VA] Paint Bank (Route 311) to Jackson R. (Route 18) I-IV 197 cfs
0 cfs/hr
R0-
Lower Runnable

00h17m
Rappahannock [VA] 2. Remington (Route 15/29) to Kellys Ford II+ 4.06 ft
0.00 ft/hr
R4-
Runnable

00h32m
Rappahannock [VA] 3. Kellys Ford to Motts Run I-II 4.06 ft
0.00 ft/hr
R4-
Runnable

00h32m
Rappahannock [VA] 4. Motts Run to Fredericksburg I(II) 2.74 ft
-0.01 ft/hr
R3-
Runnable

00h47m
Red Moshannon Creek [PA] 1 - Peale Bridge to Route 53 Bridge II 354 cfs
0 cfs/hr
R0-
Lower Runnable

00h19m
Red Moshannon Creek [PA] 2 - Rt. 53 Bridge to Karthaus (West Branch) I-II ~ 354 cfs
0 cfs/hr
R0-
Lower Runnable

00h19m
Reed Creek [VA] Major Grahams Rd, Route 619, AKA the Loop I-II+(IV) 570 cfs
0 cfs/hr
R0-
Lower Runnable

00h47m
Rivanna, North Fork [VA] Advance Mills (Route 604) to Route 29 II 5.69 ft
+0.01 ft/hr
R1-
Lower Runnable

01h02m
Roanoke [VA] 1. Dixie Caverns to Green Hill Park I-II 433 cfs
0 cfs/hr
R0-
Lower Runnable

00h32m
Roanoke [VA] 2. Green Hill Park to Rt 419 bridge I 433 cfs
0 cfs/hr
R0-
Lower Runnable

00h32m
Roanoke [VA] 3. Rt 419 bridge to Wasena Park I 433 cfs
0 cfs/hr
R0-
Lower Runnable

00h32m
Roanoke [VA] 4. Little Niagra to Rutrough Road I-II 902 cfs
0 cfs/hr
R3-
Runnable

01h02m
Rock Creek [MD] 1. Rockville to Beach Dr. Near DC/MD line. I(II) 264 cfs
-54 cfs/hr
R3-
Runnable

00h32m
Rock Creek [DC] 2. Beach Dr. below East-West Hwy to Potomac River in D.C. I-III 264 cfs
-54 cfs/hr
R3-
Runnable

00h32m
Rock Creek [DC] Rock Creek Park [a subsection of 2. Beach Dr. below East-Wes... II-III(IV) 264 cfs
-54 cfs/hr
R2-
Lower Runnable

00h32m
Rockaway [NJ] Below Falls to weir at Morris Avenue IV-V 285 cfs
+ 6 cfs/hr
R0-
Lower Runnable

01h17m
Schuylkill [PA] Flat Rock Dam I 3200 cfs
+ 141 cfs/hr
R6-
Runnable

00h47m
Seneca Creek [WV] 2. (Lower) Forest Service Campground to Route 28 Bridge III 6.16 ft
+0.01 ft/hr
R0-
Lower Runnable

00h47m
Seneca Creek [MD] Black Rock Mill to Riley's Lock Boat Ramp I-II 377 cfs
-9 cfs/hr
R7-
Upper Runnable

00h55m
Shenandoah, S. Fork [VA] Bixler's Bridge (Route 675) to Bentonville (Route 613) I-II 2.75 ft
-0.01 ft/hr
R5-
Runnable

00h32m
Shenandoah, S. Fork [VA] Elkton (Route 33) to Luray (Route 211) I-II 2.75 ft
-0.01 ft/hr
R5-
Runnable

00h32m
Shenandoah [WV] 1. VA/WV state line to Bloomery Road (WV 9) I-II 3.38 ft
-0.06 ft/hr
R4-
Runnable

00h17m
Shenandoah [WV] 2. Bloomery Road (WV 9) to Millville I-II 3.38 ft
-0.06 ft/hr
R4-
Runnable

00h17m
Shenandoah [WV] 3. Millville to Harpers Ferry II-III 3.38 ft
-0.06 ft/hr
R4-
Runnable

00h17m
Shenandoah [VA] Route 50 to Route 7 I(II) 2.75 ft
-0.01 ft/hr
R5-
Runnable

00h32m
Shohola Creek [PA] Shohola Falls Park to Mouth (at Delaware R.) I-IV 269 cfs
+ 40 cfs/hr
R2-
Lower Runnable

00h17m
Slippery Rock Creek [PA] 1. Kennedy Mill (Frew Mill Rd., SR 1012) to Eckert's Bridge II-III 1.55 ft
-0.03 ft/hr
R5-
Runnable

01h19m
Slippery Rock Creek [PA] 2. Eckert's Bridge to Harris Bridge (Mountville Rd, SR 2030) II 615 cfs
-12 cfs/hr
R0-
Lower Runnable

01h17m
South (Shenandoah tributary) [VA] Waynesboro (Rte. 611) to Lynnwood (Rte. 708) I-II 3.15 ft
0.00 ft/hr
R0-
Lower Runnable

00h32m
Spring Creek [PA] Bellefonte to Milesburg I-II 5.02 ft
-0.01 ft/hr
R5-
Runnable

00h32m
Staunton [VA] Long Island To Brookneal I-II 3110 cfs
-10 cfs/hr
R1-
Lower Runnable

01h02m
Stony Creek (NF Shenandoah trib) [VA] LiRoute 720 to N. Fork Shenandoah II+ 6.69 ft
-0.16 ft/hr
R3-
Runnable

00h32m
Susquehanna River [PA] Marietta to Columbia II(IV) 4.76 ft
+0.03 ft/hr
R4-
Runnable

00h47m
Tohickon Creek [PA] 1. Quakertown (Thatcher Road, LR09082) to PA Route 563 (abov... II-III 1310 cfs
-80 cfs/hr
R1-
Lower Runnable

00h17m
Two Lick Creek [PA] Waterworks Park to Homer City I 92 cfs
0 cfs/hr
R0-
Lower Runnable

01h02m
Tye [VA] 3. US 29 to James River I-II(III) 219 cfs
-3 cfs/hr
R0-
Lower Runnable

01h02m
Tygart Valley [WV] 1. Valley Head to US 219 bridge near the confluence with Elk... II+ 5.13 ft
+0.33 ft/hr
R6-
Runnable

00h47m
Tygart Valley [WV] 2. US 219 bridge near the confluence of Elkwater Fork to Hut... I-II 5.13 ft
+0.33 ft/hr
R7-
Upper Runnable

00h47m
Tygart Valley [WV] 6. Valley Falls to Hammond II-IV 4.18 ft
0.00 ft/hr
R4-
Runnable

00h32m
Walker Creek [VA] Bland (Route 608) to New R. (Route 636) I-II 475 cfs
+ 9 cfs/hr
R0-
Lower Runnable

00h17m
Wolf Creek [VA] Chapel to Narrows I-II 458 cfs
0 cfs/hr
R0-
Lower Runnable

00h17m
Yellow Breeches [PA] 1. Boiling Springs to Old Gettysburg Pike I 2.33 ft
-0.20 ft/hr
R3-
Runnable

01h02m
Yellow Breeches [PA] 2. Old Gettysburg Pike to Lisburn (PA 114 bridge) I 2.33 ft
-0.20 ft/hr
R3-
Runnable

01h02m
Yellow Breeches [PA] 3. Lisburn (PA 114 bridge) to Spanglers Mill Rd. I 2.33 ft
-0.20 ft/hr
R3-
Runnable

01h02m
Youghiogheny [PA] 4. Middle II 2.43 ft
0.00 ft/hr
R3-
Runnable

01h02m
Youghiogheny [PA] 6. Lower III 1.88 ft
0.00 ft/hr
R3-
Runnable

00h32m
Youghiogheny [PA] 7. Bottom II+ 1.88 ft
0.00 ft/hr
R1-
Lower Runnable

00h32m