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 2.52 ft
0.00 ft/hr
R0-
Lower Runnable

00h34m
Antietam Creek [MD] 3) Hwy.34 to Potomac River I-II 2.52 ft
0.00 ft/hr
R0-
Lower Runnable

00h34m
Appomattox [VA] Chesdin Dam To Petersburg (Route 36) II-III 2610 cfs
+ 40 cfs/hr
R5-
Runnable

01h04m
Back Creek (Potomac trib) [VA] 2. Route 50 (Gore) to Dehaven (Route 671) I 100 cfs
-3 cfs/hr
R0-
Lower Runnable

01h04m
Brandywine Creek [DE] Shaws Bridge Park, Lenape, PA to Thompson Bridge Road, DE I 2.27 ft
-0.01 ft/hr
R0-
Lower Runnable

00h19m
Brandywine Creek [DE] Thompson Bridge Road to Market Street III 2.27 ft
-0.01 ft/hr
R3-
Runnable

00h19m
Cheat, Black Fork [WV] Confluence of Blackwater River and the Dry Fork at Hendricks... II 3.58 ft
-0.08 ft/hr
R0-
Lower Runnable

00h19m
Cheat [WV] 1. (Narrows) Below Rowlesburg to above Albright Power Dam II-III 720 cfs
-52 cfs/hr
R3-
Runnable

00h19m
Cheat [WV] 2. (Canyon) Albright to Jenkinsburg Bridge III-IV 11.12 ft
+0.68 ft/hr
R0-
Lower Runnable

01h04m
Cheat [WV] 3. Jenkinsburg Bridge to Cheat Lake III 11.12 ft
+0.68 ft/hr
R0-
Lower Runnable

01h04m
Clarion River [PA] Portland Mills to Cooksburg I(II) 302 cfs
+ 8 cfs/hr
R0-
Lower Runnable

00h49m
Clinch [VA] Pucketts Hole to Nash Ford I-III 763 cfs
-17 cfs/hr
R0-
Lower Runnable

01h04m
Clinch [VA] St. Paul to Dungannon II 763 cfs
-17 cfs/hr
R0-
Lower Runnable

01h04m
Conemaugh [PA] Johnstown to Torrance I-II 447 cfs
-16 cfs/hr
R0-
Lower Runnable

01h04m
Conewago Creek (East) [PA] Aberdeen Mills to Hillsdale Rd I-III 4.03 ft
-0.01 ft/hr
R2-
Lower Runnable

00h49m
Cowpasture [VA] 1. Shaw Fork (Route 250) to Route 625 bridge I-III 529 cfs
-17 cfs/hr
R0-
Lower Runnable

00h19m
Cowpasture [VA] 2. Griffith (Route 630 Ford) to James River I-II 529 cfs
-17 cfs/hr
R0-
Lower Runnable

00h19m
Craig Creek [VA] Old Route 311 bridge (near Route 621) to New Castle (Route 6... I-II 255 cfs
-3 cfs/hr
R0-
Lower Runnable

00h34m
Craig Creek [VA] Roaring Run to James River confluence I 255 cfs
-3 cfs/hr
R0-
Lower Runnable

00h34m
Dan [VA] 0.3 Kibler Valley Power Plant to Claudville I-III 201 cfs
-3 cfs/hr
R0-
Lower Runnable

01h19m
Dan [VA] 0.4 Claudville (Route 103) to Jessups Mill (Collinstown Rd/R... I-II(III) 201 cfs
-3 cfs/hr
R0-
Lower Runnable

01h19m
Delaware [NJ] Delaware Water Gap - Smithfield Beach to Kittatinny Point Vi... I-II 7880 cfs
+ 50 cfs/hr
R1-
Lower Runnable

00h34m
Delaware [NJ] Lambertville Wing Dam II+ ~ 4.01 ft
-0.04 ft/hr
R4-
Runnable

02h19m
Delaware [PA] Scudders Falls Recreation Area II+ 7880 cfs
+ 50 cfs/hr
R4-
Runnable

00h34m
Gauley [WV] 7 (Upper). Summersville Dam to Mason Branch IV-V 753 cfs
+ 15 cfs/hr
R0-
Lower Runnable

01h06m
Gauley [WV] 8 (Middle). Mason Branch to Bucklick Branch III+(IV) 861 cfs
+ 15 cfs/hr
R0-
Lower Runnable

01h36m
Holston, South Fork [VA] Damascus to Alvarado II(III) 303 cfs
0 cfs/hr
R0-
Lower Runnable

01h04m
James [VA] 01. Iron Gate to Glen Wilton I-II 1330 cfs
+ 39 cfs/hr
R3-
Runnable

23h02m
James [VA] 02. Glen Wilton to Gala I-II 1330 cfs
+ 39 cfs/hr
R3-
Runnable

23h02m
James [VA] 03. Gala to Eagle Rock I 1330 cfs
+ 39 cfs/hr
R3-
Runnable

23h02m
James [VA] 1. Eagle Rock (Route 43) to Springwood (Route 630) I-II 2030 cfs
+ 10 cfs/hr
R4-
Runnable

00h49m
James [VA] 1.2. Springwood to Buchanan I 2030 cfs
+ 10 cfs/hr
R4-
Runnable

00h49m
James [VA] 1.4. Buchanan to Arcadia I-II 2030 cfs
+ 10 cfs/hr
R3-
Runnable

00h49m
James [VA] 1.6. Arcadia to Alpine I(II) 2030 cfs
+ 10 cfs/hr
R3-
Runnable

00h49m
James [VA] 1.8. Alpine to Glasgow I-II 2030 cfs
+ 10 cfs/hr
R3-
Runnable

00h49m
James [VA] 2. Balcony Falls Run II+(III) 2030 cfs
+ 10 cfs/hr
R3-
Runnable

00h49m
James [VA] 3. Snowdon (Route 501/130) to Six Mile I-II 2740 cfs
-231 cfs/hr
R4-
Runnable

01h04m
James [VA] 4. Upper James into Richmond II-III+ 6.46 ft
-0.03 ft/hr
R4-
Runnable

00h19m
James [VA] 5. Lower James through Richmond III-IV(V) 6.46 ft
-0.03 ft/hr
R6-
Runnable

00h19m
Lehigh [PA] 3. Glen Onoko to Bowmanstown I-II 546 cfs
-24 cfs/hr
R2-
Lower Runnable

01h21m
Lehigh [PA] 4. PA Rte 435 to Canal Park, Allentown I-III 1810 cfs
-40 cfs/hr
R1-
Lower Runnable

00h19m
Little Stony Creek [VA] Cascades to USFS Parking Area (GILES County) IV-V(V+) 3.09 ft
-0.02 ft/hr
R0-
Lower Runnable

00h08m
Maury [VA] Rockbridge Baths to James River II(III) 2.32 ft
-0.04 ft/hr
R1-
Lower Runnable

00h23m
Mayo, N. Fork [VA] Va Route 629 to NC Route 1359 II-III 414 cfs
-5 cfs/hr
R0-
Lower Runnable

01h04m
Monocacy River [MD] 1. Creagerstown Park to Devilbiss Bridge Park I 1.36 ft
0.00 ft/hr
R2-
Lower Runnable

02h19m
Monocacy River [MD] 2. Devilbiss Bridge Park to Riverbend Park I 1.36 ft
0.00 ft/hr
R2-
Lower Runnable

02h19m
Monocacy River [MD] 3. Pinecliff Park to Buckeystown Park I(II) 1.36 ft
0.00 ft/hr
R2-
Lower Runnable

02h19m
Monocacy River [MD] 4. Buckeystown Park to Park Mills Road I(II) 1.36 ft
0.00 ft/hr
R2-
Lower Runnable

02h19m
Musconetcong [NJ] Bloomsbury to Delaware River II 227 cfs
-8 cfs/hr
R3-
Runnable

00h34m
New [VA] 01. Stuart Dam (Route 58) to Fries (Route 94) I-II(III) 3140 cfs
-30 cfs/hr
R6-
Runnable

00h19m
New [VA] 02.0 Fries Dam to Byllesby Dam I-III 3140 cfs
-30 cfs/hr
R6-
Runnable

00h19m
New [VA] 02.1 Byllesby Dam to Ivanhoe II-III 4310 cfs
+ 80 cfs/hr
R6-
Runnable

00h13m
New [VA] 02.2 Ivanhoe to Austinville I-II 4310 cfs
+ 80 cfs/hr
R5-
Runnable

00h13m
New [VA] 02.3 Austinville to Foster Falls I-II 4310 cfs
+ 80 cfs/hr
R5-
Runnable

00h13m
New [VA] 03.0 Foster Falls to Barren Springs II 5640 cfs
-100 cfs/hr
R6-
Runnable

00h19m
New [VA] 03.1 Barren Springs to Allisonia II 5640 cfs
-100 cfs/hr
R5-
Runnable

00h19m
New [VA] 04. Claytor Dam to above McCoy Falls I-II 3.50 ft
-0.02 ft/hr
R4-
Runnable

00h34m
New [VA] 05. McCoy Falls to Eggleston I-II(III) 3.50 ft
-0.02 ft/hr
R4-
Runnable

00h34m
New [VA] 06. Eggleston to Ripplemead I-II 5.70 ft
-0.07 ft/hr
R5-
Runnable

00h19m
New [VA] 07. Ripplemead to Pearisburg I-II 5.70 ft
-0.07 ft/hr
R5-
Runnable

00h19m
New [VA] 08. Pearisburg to Glen Lyn I-II+(III) 5.70 ft
-0.07 ft/hr
R5-
Runnable

00h19m
New [WV] 09. Glen Lyn, VA to Bull Falls Camping Area, WV I-III 5.70 ft
-0.07 ft/hr
R5-
Runnable

00h19m
New [WV] 10. Bluestone Dam to Sandstone I-III(IV) 3.72 ft
0.00 ft/hr
R5-
Runnable

00h49m
New [WV] 11. Sandstone to McCreery I-III 11300 cfs
0 cfs/hr
R7-
Upper Runnable

01h04m
New [WV] 12. McCreery to Thurmond II-III 8.22 ft
+0.01 ft/hr
R7-
Upper Runnable

01h04m
New [WV] 13. Thurmond to Cunard I-III 8.22 ft
+0.01 ft/hr
R7-
Upper Runnable

01h04m
New [WV] 14. New River Gorge: Cunard to Fayette Station III-IV(V) 6.27 ft
+0.01 ft/hr
R8-
Upper Runnable

01h06m
New [WV] 15. New River Dries: Hawks Nest Dam to Gauley Bridge III-IV(V) 11.43 ft
+0.04 ft/hr
R4-
Runnable

01h04m
North Anna [VA] Butler Ford Bridge (Route 601) to Carmel Church (Route 1) II-III 387 cfs
0 cfs/hr
R0-
Lower Runnable

00h34m
Pequea Creek [PA] Martic Forge to Colemanville Bridge I-III 171 cfs
-8 cfs/hr
R0-
Lower Runnable

01h04m
Potomac, North Branch [MD] 6. Black Oak River Access Nr. McCoole, MD to Pinto, MD I 320 cfs
+ 4 cfs/hr
R3-
Runnable

00h49m
Potomac, North Branch [MD] 7. Pinto, MD to Upper Potomac Industrial Park (upstream of C... I 320 cfs
+ 4 cfs/hr
R3-
Runnable

00h49m
Potomac, North Branch [MD] 8. Wiley's Ford, WV to Oldtown Toll Bridge I 320 cfs
+ 4 cfs/hr
R3-
Runnable

00h49m
Potomac, S. Branch [WV] 6. US 220 bridge South of Petersburg to US 220 bridge North ... I-II 4.73 ft
-0.01 ft/hr
R4-
Runnable

00h49m
Potomac, S. Branch [WV] 7. US 220 Bridge north of Moorefield to Harmison's Landing ... I-II 2.92 ft
-0.01 ft/hr
R4-
Runnable

00h19m
Potomac, S.Fk. of the S.Br. [WV] 5. Milam bridge (CR 7/3) to the confluence of Shooks Run I-II(III) 3.37 ft
-0.01 ft/hr
R4-
Runnable

00h34m
Potomac, S.Fk. of the S.Br. [WV] 6. Confluence of Shooks Run to Confluence of the South Branc... I-II 3.37 ft
-0.01 ft/hr
R4-
Runnable

00h34m
Potomac [MD] 0.1 Oldtown Toll Bridge to Paw Paw Tunnel Campground I 4.80 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [WV] 0.2 Paw Paw Tunnel Campground to Fifteen Mile Creek Boat Lan... I 4.80 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [MD] 0.3 Fifteen Mile Creek Boat Ramp to Hancock, MD I 3.34 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [WV] 0.4 Big Pool/Fort Frederick Campground to Williamsport MD I 3.34 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [WV] 0.5 Dam # 4 to Shepherdstown WV I 3.34 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [MD] 0.6 Shepherdstown, WV to Dargans Bend Boat Ramp I 3.34 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [VA] 0.7 - Potomac - Dargans Bend Boat Ramp to Potoma Wayside II+ 3.34 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [VA] 0.8 Sandy Hook/Potoma Wayside to Point of Rocks MD I-II 3.34 ft
+0.02 ft/hr
R4-
Runnable

00h34m
Potomac [MD] 0.9 Point of Rocks to Mouth of Monocacy I 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Potomac [VA] 1. Mouth of Monocacy to Riley's Lock Boat Ramp I 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Potomac [MD] 2. GW Canal Loop or Violette's Lock to Pennyfield Lock I-II 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Potomac [VA] 3. Great Falls (VA Lines) V 3.04 ft
+0.01 ft/hr
R3-
Runnable

01h04m
Potomac [VA] 4. Sandy Beach/O-Deck to Anglers Inn II-III(IV) 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Potomac [VA] 5. Anglers Inn to Lock 10 II 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Potomac [VA] 6. Lock 10 to Sycamore Island I 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Potomac [MD] 7. Little Falls II-III(IV) 3.04 ft
+0.01 ft/hr
R4-
Runnable

01h04m
Rapidan [VA] Ely Ford (Route 610) to Motts Run II 2.26 ft
-0.04 ft/hr
R0-
Lower Runnable

01h04m
Rappahannock [VA] 2. Remington (Route 15/29) to Kellys Ford II+ 4.40 ft
-0.05 ft/hr
R4-
Runnable

00h34m
Rappahannock [VA] 3. Kellys Ford to Motts Run I-II 4.40 ft
-0.05 ft/hr
R4-
Runnable

00h34m
Rappahannock [VA] 4. Motts Run to Fredericksburg II-III(IV) 3.54 ft
-0.05 ft/hr
R6-
Runnable

00h49m
Reed Creek [VA] Major Grahams Rd, Route 619, AKA the Loop I-II+(IV) 273 cfs
0 cfs/hr
R0-
Lower Runnable

00h49m
Rivanna, North Fork [VA] Advance Mills (Route 604) to Route 29 II 5.94 ft
-0.01 ft/hr
R2-
Lower Runnable

01h04m
Rivanna [VA] Charlottesville (Market Street) to Shadwell (Route 729) II 897 cfs
-32 cfs/hr
R0-
Lower Runnable

00h13m
Roanoke [VA] 1. Dixie Caverns to Green Hill Park I-II 306 cfs
-3 cfs/hr
R0-
Lower Runnable

00h34m
Roanoke [VA] 2. Green Hill Park to Rt 419 bridge I 306 cfs
-3 cfs/hr
R0-
Lower Runnable

00h34m
Roanoke [VA] 3. Rt 419 bridge to Wasena Park I 306 cfs
-3 cfs/hr
R0-
Lower Runnable

00h34m
Roanoke [VA] 4. Little Niagara to Rutrough Road I-II 664 cfs
-4 cfs/hr
R2-
Lower Runnable

01h04m
Rockaway [NJ] Below Falls to weir at Morris Avenue IV-V 238 cfs
-11 cfs/hr
R0-
Lower Runnable

01h19m
Schuylkill [PA] Flat Rock Dam I 2840 cfs
0 cfs/hr
R5-
Runnable

00h49m
Shenandoah, S. Fork [VA] Bixler's Bridge (Route 675) to Bentonville (Route 613) I-II 1.95 ft
0.00 ft/hr
R4-
Runnable

00h34m
Shenandoah, S. Fork [VA] Elkton (Route 33) to Luray (Route 211) I-II 1.95 ft
0.00 ft/hr
R3-
Runnable

00h34m
Shenandoah [WV] 1. VA/WV state line to Bloomery Road (WV 9) I-II 2.68 ft
-0.03 ft/hr
R4-
Runnable

00h19m
Shenandoah [WV] 2. Bloomery Road (WV 9) to Millville I-II 2.68 ft
-0.03 ft/hr
R4-
Runnable

00h19m
Shenandoah [WV] 3. Millville to Harpers Ferry II-III 2.68 ft
-0.03 ft/hr
R4-
Runnable

00h19m
Shenandoah [VA] Route 50 to Route 7 I(II) 1.95 ft
0.00 ft/hr
R4-
Runnable

00h34m
Smith [VA] 2. Philpot Dam to North Basset II+ 238 cfs
0 cfs/hr
R0-
Lower Runnable

00h34m
Smith [VA] 3. North Bassett to Fieldale II 350 cfs
0 cfs/hr
R0-
Lower Runnable

00h34m
Smith [VA] 4. Fieldale to Doe Run II 350 cfs
0 cfs/hr
R0-
Lower Runnable

00h34m
Smith [VA] 5. South Martinsville to Sports Complex II 556 cfs
-25 cfs/hr
R5-
Runnable

01h04m
Smith [VA] 6. Sports Complex to Mitchell Bridge II(III) 556 cfs
-25 cfs/hr
R4-
Runnable

01h04m
South (Shenandoah tributary) [VA] Waynesboro (Rte. 611) to Lynnwood (Rte. 708) I-II 3.03 ft
-0.01 ft/hr
R0-
Lower Runnable

00h34m
South Anna [VA] Route 33 to Route 54 I-II 1120 cfs
-10 cfs/hr
R2-
Lower Runnable

01h04m
Spring Creek [PA] Bellefonte to Milesburg I-II 4.04 ft
-0.04 ft/hr
R1-
Lower Runnable

00h34m
Staunton [VA] Long Island To Brookneal I-II 5380 cfs
-121 cfs/hr
R4-
Runnable

01h04m
Tygart Valley [WV] 6. Valley Falls to Hammond II-IV 4.40 ft
0.00 ft/hr
R6-
Runnable

00h34m
Youghiogheny [PA] 4. Middle II 2.78 ft
-0.01 ft/hr
R4-
Runnable

01h04m
Youghiogheny [PA] 6. Lower III 2.45 ft
0.00 ft/hr
R4-
Runnable

00h34m
Youghiogheny [PA] 7. Bottom II+ 2.45 ft
0.00 ft/hr
R4-
Runnable

00h34m