Color Mode
Level Legend Low Running High Unknown
River Name/Section Class Level   Updated
Antietam Creek [MD] 2) Hwy 68 to Hwy 34 I-II 2.53 ft
-0.01 ft/hr
R0-
Lower Runnable

01h15m
Antietam Creek [MD] 3) Hwy.34 to Potomac River I-II 2.53 ft
-0.01 ft/hr
R0-
Lower Runnable

01h15m
Big Sandy River, Tug Fork [WV] 1. Panther to Wharncliffe I-II 3.77 ft
-0.01 ft/hr
R0-
Lower Runnable

00h45m
Big Sandy River, Tug Fork [WV] 2. Wharncliffe to Devon I-II 3.77 ft
-0.01 ft/hr
R0-
Lower Runnable

00h45m
Brandywine Creek [DE] Thompson Bridge Road to Market Street III 2.05 ft
-0.01 ft/hr
R0-
Lower Runnable

01h00m
Cheat, Black Fork [WV] Confluence of Blackwater River and the Dry Fork at Hendricks... II 3.65 ft
0.00 ft/hr
R0-
Lower Runnable

00h30m
Cheat [WV] 1. (Narrows) Below Rowlesburg to above Albright Power Dam II-III 764 cfs
0 cfs/hr
R4-
Runnable

00h30m
Clarion River [PA] Portland Mills to Cooksburg I(II) 364 cfs
0 cfs/hr
R0-
Lower Runnable

01h30m
Clinch [VA] St. Paul to Dungannon II 364 cfs
0 cfs/hr
R0-
Lower Runnable

00h45m
Conemaugh [PA] Johnstown to Torrance I-II 336 cfs
0 cfs/hr
R0-
Lower Runnable

00h45m
Conewago Creek (East) [PA] Aberdeen Mills to Hillsdale Rd I-III 3.59 ft
0.00 ft/hr
R1-
Lower Runnable

01h30m
Cowpasture [VA] 2. Griffith (Route 630 Ford) to James River I-II 224 cfs
0 cfs/hr
R0-
Lower Runnable

01h00m
Craig Creek [VA] Old Route 311 bridge (near Route 621) to New Castle (Route 6... I-II 176 cfs
0 cfs/hr
R0-
Lower Runnable

01h15m
Craig Creek [VA] Roaring Run to James River confluence I 176 cfs
0 cfs/hr
R0-
Lower Runnable

01h15m
Dan [VA] 0.3 Kibler Valley Power Plant to Claudville I-III 241 cfs
-32 cfs/hr
R0-
Lower Runnable

01h00m
Dan [VA] 0.4 Claudville (Route 103) to Jessups Mill (Collinstown Rd/R... I-II(III) 241 cfs
-32 cfs/hr
R0-
Lower Runnable

01h00m
Delaware [PA] Delaware Water Gap - Smithfield Beach to Kittatinny Point Vi... I-II 4420 cfs
0 cfs/hr
R0-
Lower Runnable

01h15m
Delaware [NJ] Lambertville Wing Dam II+ ~ 3.49 ft
+0.01 ft/hr
R3-
Runnable

02h00m
Gauley [WV] 7 (Upper). Summersville Dam to Mason Branch IV-V 748 cfs
-5 cfs/hr
R0-
Lower Runnable

00h47m
Gauley [WV] 8 (Middle). Mason Branch to Bucklick Branch III+(IV) 872 cfs
+ 15 cfs/hr
R0-
Lower Runnable

02h17m
Greenbrier River [WV] 07. Ronceverte to Fort Spring I-II 3.04 ft
+0.01 ft/hr
R0-
Lower Runnable

00h45m
Greenbrier River [WV] 08. Fort Spring to Alderson I-II 3.04 ft
+0.01 ft/hr
R0-
Lower Runnable

00h45m
Gunpowder Falls [MD] 2 - Prettyboy Dam to Falls Road I-III 87 cfs
0 cfs/hr
R0-
Lower Runnable

00h30m
Gunpowder Falls [MD] 3 - Masemore Road to Monkton Road I-II 87 cfs
0 cfs/hr
R1-
Lower Runnable

00h30m
Gunpowder Falls [MD] 4. Monkton Road to Phoenix I 170 cfs
0 cfs/hr
R4-
Runnable

01h11m
Holston, South Fork [VA] Damascus to Alvarado II(III) 296 cfs
0 cfs/hr
R0-
Lower Runnable

00h45m
James [VA] 01. Iron Gate to Glen Wilton I-II 875 cfs
-7 cfs/hr
R3-
Runnable

00h45m
James [VA] 02. Glen Wilton to Gala I-II 875 cfs
-7 cfs/hr
R3-
Runnable

00h45m
James [VA] 03. Gala to Eagle Rock I 875 cfs
-7 cfs/hr
R3-
Runnable

00h45m
James [VA] 1. Eagle Rock (Route 43) to Springwood (Route 630) I-II 1380 cfs
0 cfs/hr
R3-
Runnable

00h45m
James [VA] 1.2. Springwood to Buchanan I 1380 cfs
0 cfs/hr
R3-
Runnable

00h45m
James [VA] 1.4. Buchanan to Arcadia I-II 1380 cfs
0 cfs/hr
R2-
Lower Runnable

00h45m
James [VA] 1.6. Arcadia to Alpine I(II) 1380 cfs
0 cfs/hr
R2-
Lower Runnable

00h45m
James [VA] 1.8. Alpine to Glasgow I-II 1380 cfs
0 cfs/hr
R2-
Lower Runnable

00h45m
James [VA] 2. Balcony Falls Run II+(III) 1380 cfs
0 cfs/hr
R2-
Lower Runnable

00h45m
James [VA] 3. Snowdon (Route 501/130) to Six Mile I-II 2080 cfs
-20 cfs/hr
R3-
Runnable

00h45m
James [VA] 4. Upper James into Richmond I-II 4.48 ft
0.00 ft/hr
R4-
Runnable

01h00m
James [VA] 5. Lower James through Richmond II-III+ 4.48 ft
0.00 ft/hr
R4-
Runnable

01h00m
Lehigh [PA] 3. Glen Onoko to Bowmanstown I-II 558 cfs
0 cfs/hr
R0-
Lower Runnable

02h02m
Lehigh [PA] 4. PA Rte 435 to Canal Park, Allentown I-III 1120 cfs
0 cfs/hr
R0-
Lower Runnable

01h00m
Mayo, N. Fork [VA] Va Route 629 to NC Route 1359 II-III 380 cfs
-5 cfs/hr
R0-
Lower Runnable

00h45m
Monocacy River [MD] 1. Creagerstown Park to Devilbiss Bridge Park I 1.63 ft
0.00 ft/hr
R3-
Runnable

02h00m
Monocacy River [MD] 2. Devilbiss Bridge Park to Riverbend Park I 1.63 ft
0.00 ft/hr
R3-
Runnable

02h00m
Monocacy River [MD] 3. Pinecliff Park to Buckeystown Park I(II) 1.63 ft
0.00 ft/hr
R3-
Runnable

02h00m
Monocacy River [MD] 4. Buckeystown Park to Park Mills Road I(II) 1.63 ft
0.00 ft/hr
R3-
Runnable

02h00m
New [VA] 01. Stuart Dam (Route 58) to Fries (Route 94) I-II(III) 2310 cfs
0 cfs/hr
R5-
Runnable

01h00m
New [VA] 02.0 Fries Dam to Byllesby Dam I-III 2310 cfs
0 cfs/hr
R5-
Runnable

01h00m
New [VA] 02.1 Byllesby Dam to Ivanhoe II-III 2320 cfs
-80 cfs/hr
R5-
Runnable

00h26m
New [VA] 02.2 Ivanhoe to Austinville I-II 2320 cfs
-80 cfs/hr
R5-
Runnable

00h26m
New [VA] 02.3 Austinville to Foster Falls I-II 2320 cfs
-80 cfs/hr
R5-
Runnable

00h26m
New [VA] 03.0 Foster Falls to Barren Springs II 3610 cfs
0 cfs/hr
R5-
Runnable

01h00m
New [VA] 03.1 Barren Springs to Allisonia II 3610 cfs
0 cfs/hr
R5-
Runnable

01h00m
New [VA] 04. Claytor Dam to above McCoy Falls I-II 3.23 ft
0.00 ft/hr
R4-
Runnable

01h15m
New [VA] 05. McCoy Falls to Eggleston I-II(III) 3.23 ft
0.00 ft/hr
R4-
Runnable

01h15m
New [VA] 06. Eggleston to Ripplemead I-II 4.61 ft
0.00 ft/hr
R4-
Runnable

01h00m
New [VA] 07. Ripplemead to Pearisburg I-II 4.61 ft
0.00 ft/hr
R4-
Runnable

01h00m
New [VA] 08. Pearisburg to Glen Lyn I-II+(III) 4.61 ft
0.00 ft/hr
R4-
Runnable

01h00m
New [WV] 09. Glen Lyn, VA to Bull Falls Camping Area, WV I-III 4.61 ft
0.00 ft/hr
R4-
Runnable

01h00m
New [WV] 10. Bluestone Dam to Sandstone I-III(IV) 2.91 ft
0.00 ft/hr
R4-
Runnable

00h30m
New [WV] 11. Sandstone to McCreery I-III 6360 cfs
0 cfs/hr
R5-
Runnable

00h45m
New [WV] 12. McCreery to Thurmond II-III 6.03 ft
0.00 ft/hr
R5-
Runnable

00h45m
New [WV] 13. Thurmond to Cunard I-III 6.03 ft
0.00 ft/hr
R5-
Runnable

00h45m
New [WV] 14. New River Gorge: Cunard to Fayette Station III-IV(V) 3.36 ft
0.00 ft/hr
R6-
Runnable

00h47m
Paint Creek [WV] 2. Mossy to Westerly (former coal yard) II-III+ 12.91 ft
-0.01 ft/hr
R0-
Lower Runnable

00h45m
Paint Creek [WV] 3. Westerly (former coal yard) to Burnwell II-IV 12.91 ft
-0.01 ft/hr
R0-
Lower Runnable

00h45m
Potomac, North Branch [MD] 6. Black Oak River Access Nr. McCoole, MD to Pinto, MD I 400 cfs
0 cfs/hr
R3-
Runnable

00h30m
Potomac, North Branch [WV] 7. Pinto, MD to Upper Potomac Industrial Park (upstream of C... I 400 cfs
0 cfs/hr
R3-
Runnable

00h30m
Potomac, North Branch [MD] 8. Wiley's Ford, WV to Oldtown Toll Bridge I 400 cfs
0 cfs/hr
R3-
Runnable

00h30m
Potomac, S. Branch [WV] 6. US 220 bridge South of Petersburg to US 220 bridge North ... I-II 4.44 ft
-0.01 ft/hr
R4-
Runnable

00h30m
Potomac, S. Branch [WV] 7. US 220 Bridge north of Moorefield to Harmison's Landing ... I-II 2.06 ft
-0.02 ft/hr
R3-
Runnable

01h00m
Potomac, S.Fk. of the S.Br. [WV] 5. Milam bridge (CR 7/3) to the confluence of Shooks Run I-II(III) 2.92 ft
-0.01 ft/hr
R3-
Runnable

01h15m
Potomac, S.Fk. of the S.Br. [WV] 6. Confluence of Shooks Run to Confluence of the South Branc... I-II 2.92 ft
-0.01 ft/hr
R3-
Runnable

01h15m
Potomac [MD] 0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground I 4.35 ft
+0.02 ft/hr
R4-
Runnable

01h15m
Potomac [MD] 0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan... I 4.35 ft
+0.02 ft/hr
R4-
Runnable

01h15m
Potomac [MD] 0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD I 3.40 ft
-0.01 ft/hr
R4-
Runnable

01h15m
Potomac [MD] 0.4 Big Pool/Fort Frederick Campground to Williamsport MD I 3.40 ft
-0.01 ft/hr
R4-
Runnable

01h15m
Potomac [WV] 0.5 Dam # 4 to Shepherdstown WV I 3.40 ft
-0.01 ft/hr
R4-
Runnable

01h15m
Potomac [WV] 0.6 Shepherdstown, WV to Dargans Bend Boat Ramp I 3.40 ft
-0.01 ft/hr
R4-
Runnable

01h15m
Potomac [WV] 0.7 - Potomac - Dargans Bend Boat Ramp to Potoma Wayside II+ 3.40 ft
-0.01 ft/hr
R4-
Runnable

01h15m
Potomac [VA] 0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD I-II 3.40 ft
-0.01 ft/hr
R4-
Runnable

01h15m
Potomac [MD] 0.9 Point of Rocks to Mouth of Monocacy I 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [VA] 1. Mouth of Monocacy to Riley's Lock Boat Ramp I 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [VA] 2. GW Canal Loop or Violette's Lock to Pennyfield Lock I-II 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [MD] 3. Great Falls (VA Lines) V 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [VA] 4. Sandy Beach/O-Deck to Anglers Inn II-III(IV) 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [VA] 5. Anglers Inn to Lock 10 II 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [VA] 6. Lock 10 to Sycamore Island I 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Potomac [VA] 7. Little Falls II-III(IV) 3.18 ft
-0.01 ft/hr
R4-
Runnable

00h45m
Reed Creek [VA] Major Grahams Rd, Route 619, AKA the Loop I-II+(IV) 284 cfs
0 cfs/hr
R0-
Lower Runnable

00h30m
Rivanna, North Fork [VA] Advance Mills (Route 604) to Route 29 II 5.23 ft
0.00 ft/hr
R1-
Lower Runnable

00h45m
Roanoke [VA] 1. Dixie Caverns to Green Hill Park I-II 204 cfs
0 cfs/hr
R0-
Lower Runnable

01h15m
Roanoke [VA] 2. Green Hill Park to Rt 419 bridge I 204 cfs
0 cfs/hr
R0-
Lower Runnable

01h15m
Roanoke [VA] 3. Rt 419 bridge to Wasena Park I 204 cfs
0 cfs/hr
R0-
Lower Runnable

01h15m
Roanoke [VA] 4. Little Niagra to Rutrough Road I-II 426 cfs
0 cfs/hr
R1-
Lower Runnable

00h45m
Rock Creek [MD] 1. Rockville to Beach Dr. Near DC/MD line. I(II) 227 cfs
-62 cfs/hr
R2-
Lower Runnable

01h15m
Rock Creek [MD] 2. Beach Dr. below East-West Hwy to Potomac River in D.C. I-III 227 cfs
-62 cfs/hr
R2-
Lower Runnable

01h15m
Rock Creek [DC] Rock Creek Park [a subsection of 2. Beach Dr. below East-Wes... II-III(IV) 227 cfs
-62 cfs/hr
R1-
Lower Runnable

01h15m
Schuylkill [PA] Flat Rock Dam I 1520 cfs
-30 cfs/hr
R1-
Lower Runnable

01h30m
Seneca Creek [MD] Black Rock Mill to Riley's Lock Boat Ramp I-II 255 cfs
-31 cfs/hr
R4-
Runnable

00h41m
Shenandoah, S. Fork [VA] Bixler's Bridge (Route 675) to Bentonville (Route 613) I-II 1.69 ft
+0.01 ft/hr
R4-
Runnable

01h15m
Shenandoah, S. Fork [VA] Elkton (Route 33) to Luray (Route 211) I-II 1.69 ft
+0.01 ft/hr
R1-
Lower Runnable

01h15m
Shenandoah [WV] 1. VA/WV state line to Bloomery Road (WV 9) I-II 2.08 ft
-0.01 ft/hr
R2-
Lower Runnable

01h00m
Shenandoah [WV] 2. Bloomery Road (WV 9) to Millville I-II 2.08 ft
-0.01 ft/hr
R1-
Lower Runnable

01h00m
Shenandoah [WV] 3. Millville to Harpers Ferry II 2.08 ft
-0.01 ft/hr
R1-
Lower Runnable

01h00m
Shenandoah [VA] Route 50 to Route 7 I(II) 1.69 ft
+0.01 ft/hr
R4-
Runnable

01h15m
Smith [VA] 2. Philpot Dam to North Basset II+ 305 cfs
0 cfs/hr
R1-
Lower Runnable

01h15m
Smith [VA] 3. North Bassett to Fieldale II 406 cfs
0 cfs/hr
R1-
Lower Runnable

01h15m
Smith [VA] 4. Fieldale to Doe Run II 406 cfs
0 cfs/hr
R1-
Lower Runnable

01h15m
Smith [VA] 5. South Martinsville to Sports Complex II 477 cfs
0 cfs/hr
R4-
Runnable

00h45m
Smith [VA] 6. Sports Complex to Mitchell Bridge II(III) 477 cfs
0 cfs/hr
R3-
Runnable

00h45m
Spring Creek [PA] Bellefonte to Milesburg I-II 4.30 ft
+0.02 ft/hr
R2-
Lower Runnable

01h15m
Staunton [VA] Long Island To Brookneal I-II 1920 cfs
0 cfs/hr
R0-
Lower Runnable

00h45m
Two Lick Creek [PA] Waterworks Park to Homer City I 112 cfs
-14 cfs/hr
R0-
Lower Runnable

00h45m
Tygart Valley [WV] 6. Valley Falls to Hammond II-IV 3.92 ft
-0.05 ft/hr
R1-
Lower Runnable

01h15m
Youghiogheny [PA] 4. Middle II 1.98 ft
0.00 ft/hr
R0-
Lower Runnable

00h45m
Youghiogheny [PA] 5. Ohiopyle Falls IV 1.33 ft
0.00 ft/hr
R1-
Lower Runnable

01h15m
Youghiogheny [PA] 6. Lower III 1.33 ft
0.00 ft/hr
R0-
Lower Runnable

01h15m