Connecticut
Connecticut Coastal
Lower Hudson-Long Island
Massachusetts-Rhode Island Coastal
Level Legend: - - - - - - - - - Below Recommended Low Runnable - - - - - - - - High Runnable Above Recommended - - - - - - - - - Unknown Unknown
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Unknown Drainage

Connecticut

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River Name/Section Class Level running? Updated
Adamson, W. Branch [VT] Route 100A to Putney III-V+ n/a

Ammonoosuc [NH] 1. Upper V n/a

Ammonoosuc [NH] 2. Littleton to Lisbon I-II 508 cfs
-20 cfs/hr
R0-
Lower Runnable

01h05m
Ammonoosuc [NH] 3. Bretton Woods to Twin Mountain II-III 3.20 ft
-0.05 ft/hr
R1-
Lower Runnable

01h05m
Ammonoosuc [NH] 4. Twin Mountain to Pierce bridge II-III 3.20 ft
-0.05 ft/hr
R0-
Lower Runnable

01h05m
Ammonoosuc [NH] 5. Pierce bridge to NH 116 II-IV 3.20 ft
-0.05 ft/hr
R0-
Lower Runnable

01h05m
Ashuelot, S. Branch [NH] Troy to Webb III-IV 559 cfs
-21 cfs/hr
R2-
Lower Runnable

01h05m
Ashuelot [NH] 1. Marlow to Gilsum Gorge III-IV 1070 cfs
-60 cfs/hr
R4-
Runnable

01h05m
Ashuelot [NH] 2. Gilsum Gorge to Shaws Corner II 1070 cfs
-60 cfs/hr
R4-
Runnable

01h05m
Ashuelot [NH] 3. Ashuelot to Hinsdale II-IV 6.94 ft
+0.01 ft/hr
R9-
Upper Runnable

00h50m
Ball Mountain Brook [VT] Metcalf Road to Jamaica State Park III-IV n/a

Black [VT] Whitesville to Perkinsville II n/a

Bloods Brook [NH] The Ledges V n/a

Broad Brook [NH] Above Powerlines to Lower Ashuelot IV+ 6.94 ft
+0.01 ft/hr
R2-
Lower Runnable

00h50m
Chickley [MA] Route 8A to Deerfield River II-III n/a

Cold [MA] Route 2 hairpin turn to Deerfield River II-IV n/a

Connecticut [MA] Holyoke (Wave-o-Saurus) I 43600 cfs
+3516 cfs/hr
R0-
Lower Runnable

01h05m
Connecticut [NH] Sumner Falls I 15100 cfs
0 cfs/hr
R1-
Lower Runnable

01h05m
Croyden Brook [NH] Newport II-III 4.63 ft
-0.07 ft/hr
R4-
Runnable

01h35m
Deerfield, E. Branch [VT] Somerset Reservoir to Searsburg Reservoir I-II n/a

Deerfield, W. Branch [VT] Heartwellville to Readsboro Village V n/a

Deerfield [MA] 1) Harriman Reservoir to Sherman Reservoir (Upper Dryway) III-IV n/a

Deerfield [MA] 2) Monroe Bridge to Bear Swamp (The Dryway) III-IV n/a

Deerfield [MA] 3) Bear Swamp to Zoar Gap (Fife Brook Section) II(III) 2360 cfs
0 cfs/hr
H9-
Above Recom.

01h20m
Deerfield [MA] 4) Zoar Picnic Area to East Charlemont I 2360 cfs
0 cfs/hr
H1-
Above Recom.

01h20m
Deerfield [MA] 5) Route 2 to Route 112 (Above Shelburne Falls) III n/a

Deerfield [MA] 6) Wilcox Hollow to Stillwater Bridge I-II 3880 cfs
-161 cfs/hr
R1-
Lower Runnable

01h05m
Deerfield [VT] Searsburg Dam to Harriman Reservoir III n/a

Dunbar Brook [MA] South Road to Deerfield River V n/a

Factory Brook [MA] Middlefield to Bancroft I n/a

Fall [MA] Otis Reservoir to Farmington River V n/a

Farmington, W. Branch [MA] Bear's Den II 5.62 ft
-0.03 ft/hr
R5-
Runnable

01h05m
Farmington, W. Branch [MA] New Boston Section III 5.62 ft
-0.03 ft/hr
R4-
Runnable

01h05m
Farmington, W. Branch [MA] Upper New Boston II 5.62 ft
-0.03 ft/hr
R5-
Runnable

01h05m
Farmington, W.Br. [CT] Hogback Road (Goodwin Dam) to Riverton I-II 442 cfs
-4 cfs/hr
R0-
Lower Runnable

02h05m
Farmington, W.Br. [CT] Riverton to Satan's Kingdom parking area I-III 4.65 ft
-0.01 ft/hr
R7-
Upper Runnable

02h05m
Farmington [CT] Collinsville to Unionville II 9.32 ft
0.00 ft/hr
H0-
Above Recom.

02h05m
Farmington [CT] Tariffville (Route 189) to Highway 187 (Tariffville Gorge) II-III 7.04 ft
+0.01 ft/hr
H9-
Above Recom.

06h50m
Gale [NH] Franconia to Ammonoosuc II-IV n/a

Green [VT] Green River to West Leyden, MA II-III 294 cfs
-5 cfs/hr
R0-
Lower Runnable

00h35m
Green [MA] W. Leyden to covered bridge II-III 294 cfs
-5 cfs/hr
R0-
Lower Runnable

00h35m
Hubbard [MA] W Hartland Rd (Granville State Park) to Rt 20 V n/a

Israel River [NH] Riverton to Lancaster II n/a

Joe's Brook [VT] W. Danville to covered bridge II-IV(V) n/a

Konkapot Brook [MA] Mill River to Ashley Falls I-III n/a

Little [MA] Dam below Cobble Mountain Reservoir to Northwest Rd. III-IV n/a

Mascoma [NH] 1. Mascoma Lake to Route 4, Lebanon II-III(IV) n/a

Mascoma [NH] 2. Lebanon V n/a

Millers - Lower [MA] Erving to Millers Falls II-III(IV) 5.56 ft
+0.01 ft/hr
H0-
Above Recom.

00h35m
Millers [MA] South Royalston to Athol III 7.04 ft
+0.14 ft/hr
R8-
Upper Runnable

01h05m
Minnewawa [NH] Marlborough recycling center to Otter Brook II-IV n/a

Mohawk [NH] Colebrook II-III n/a

Moose [VT] 1. Victory Bog to Concord II-III 4.42 ft
0.00 ft/hr
L7-
Below Recom.

00h35m
Moose [VT] 2. East St. Johnsbury to Passumpsic River II-IV 4.42 ft
0.00 ft/hr
L8-
Below Recom.

00h35m
North [MA] Halifax (VT) Gorge to Colrain (MA) II 4.11 ft
-0.05 ft/hr
R1-
Lower Runnable

02h49m
Nulhegan [VT] E. Brighton Bridge to Connecticut River III-IV n/a

Ompompanoosuc, W. Branch [VT] Strafford to Rices Mill II n/a

Ompompanoosuc [VT] W. Fairlee to Thetford Covered Bridge I-III n/a

Ottauquechee [VT] Just above Route 4 to 1 Mile below Route 4 III+(V) 2120 cfs
0 cfs/hr
H9-
Above Recom.

01h05m
Otter Brook [NH] Roxbury to Keene II 310 cfs
+ 92 cfs/hr
L0-
Below Recom.

01h05m
Passumpsic E Br [VT] E. Burke dam-Rt. 114 bridge II(IV) 140 cfs
-3 cfs/hr
L7-
Below Recom.

03h34m
Pelham Brook [MA] Rowe Center to Deerfield River V n/a

Phillips Brook [NH] Milan III n/a

Quaboag [MA] Lucy Stone Park in Warren to Route 67 II-III 6.03 ft
+0.01 ft/hr
H0-
Above Recom.

02h49m
Roaring Brook [CT] Cold Brook Rd to Rt 17 in S Glastonbury III-IV 929 cfs
-30 cfs/hr
R0-
Lower Runnable

02h34m
Rock [VT] Williamsville Covered Bridge to West R. III-IV n/a

Salmon - Blackledge [CT] Old route 2 to covered bridge at Hwy 16 II 4.57 ft
-0.04 ft/hr
R1-
Lower Runnable

02h34m
Salmon - Jeremy [CT] Old route 2 to covered bridge at Hwy 16 II 4.57 ft
-0.04 ft/hr
R1-
Lower Runnable

02h34m
Sandy Brook [CT] Route 183 Bridge to Route 8 Bridge IV n/a

Saxton's [VT] Grafton to Connecticut River II-III n/a

Still [CT] Above Sandy Brook V 1400 cfs
-4 cfs/hr
H9-
Above Recom.

19h19m
Sugar [NH] North Newport to Rt 103 II-III 4.63 ft
-0.07 ft/hr
R8-
Upper Runnable

01h35m
Swift [MA] Along Rte. 9 to North Branch Westfield River IV-V n/a

Upper Ammonoosuc, W. Branch [NH] Above York Pond Road IV n/a

Waits [VT] Waits River Village to Route 25B II-III n/a

Walker Brook [MA] 3.5 miles West of Chester on Rt. 20 to Chester IV n/a

Wardsboro Brook [VT] North Wardsboro to West River III-IV n/a

Ware [MA] Gilbertville II-III ~ 2110 cfs
0 cfs/hr
H0-
Above Recom.

00h35m
Wells [VT] Groton to Wells River Village I-III 2.91 ft
-0.02 ft/hr
R1-
Lower Runnable

02h19m
Wells [VT] Old Bridge to Lower Dam IV-V 318 cfs
-7 cfs/hr
R1-
Lower Runnable

02h19m
West [VT] Ball Mountain Dam to Jamaica State Park (Salmon Hole) III 1860 cfs
+ 623 cfs/hr
R5-
Runnable

01h05m
West [VT] Londonderry rapids II-III n/a

West [VT] Salmon Hole to Route l00 II 1860 cfs
+ 623 cfs/hr
H0-
Above Recom.

01h05m
West [VT] Townsend Dam to Rock River (Newfane) I-II 3580 cfs
+ 954 cfs/hr
R2-
Lower Runnable

01h05m
Westfield, Middle Branch [MA] River Road to Littleville Dam II-III 3.94 ft
-0.01 ft/hr
R2-
Lower Runnable

01h05m
Westfield, N. Branch [MA] 1) W. Cummington to Cummington I-III n/a

Westfield, N. Branch [MA] 2) Cummington to Chesterfield Gorge I-III n/a

Westfield, N. Branch [MA] 3) Chesterfield Gorge to Knightsville Dam I-III n/a

Westfield, N. Branch [MA] 4) Knightville Dam to Huntington I-III 2650 cfs
0 cfs/hr
R4-
Runnable

01h05m
Westfield, W. Branch [MA] Becket to Chester III-IV 1140 cfs
+ 20 cfs/hr
R0-
Lower Runnable

00h35m
Westfield, W. Branch [MA] Chester to Huntington II-III 1140 cfs
+ 20 cfs/hr
R0-
Lower Runnable

00h35m
Westfield [MA] Huntington to Russell I-II 4307 cfs
-88 cfs/hr
H4-
Above Recom.

00h37m
White, First Branch [VT] Chelsea Health Center to above Sawmill Dam III-IV n/a

White [VT] North Royalton to West Hartford I-II(III) 4320 cfs
-121 cfs/hr
R0-
Lower Runnable

00h50m
White [VT] Rochester to Bethel I-II 124 cfs
+ 1 cfs/hr
R0-
Lower Runnable

00h50m
Wild Ammonoosuc [NH] 1. Wildwood to Covered Bridge II-III n/a

Wild Ammonoosuc [NH] 2. Covered Bridge to Route 302 III n/a

Williams [VT] Northchester to Brockway Mills II n/a

Winhall [VT] Grahamville School Road to Winhall Campgrounds III+ n/a

Massachusetts-Rhode Island Coastal

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River Name/Section Class Level running? Updated
Charles [MA] Needham Rapids I 2360 cfs
+ 8 cfs/hr
H9-
Above Recom.

00h35m
Charles [MA] Waltham Wave II 3110 cfs
+ 130 cfs/hr
H9-
Above Recom.

02h34m
Clear and Branch [RI] Harrisville to Nasonville I-II n/a

Cohasset Tidal Rip [MA] Cohasset I-II n/a

Matunuck Shore Break [RI] Beach at High Tide I n/a

Connecticut Coastal

Click a heading to sort. Hover over a heading for help.
River Name/Section Class Level running? Updated
Bantam [CT] Stoddard Road to Shepaug River I-II n/a

East Aspetuck [CT] Paper Mill Road to Housatonic River III n/a

Far Mill River [CT] Shelton to Housatonic River IV n/a

Hammonasset [CT] Summer Hill Rd to Green Hill Rd I-II n/a

Housatonic - Bull's Bridge [CT] Bulls Bridge Dam to Gaylordsville (south of Kent on Route 7) IV 8460 cfs
-7 cfs/hr
R7-
Upper Runnable

05h04m
Housatonic [CT] Falls Village Hydro 13.2 mi to Swifts Bridge, 9.3 mi to Ken... II-III 6020 cfs
+ 20 cfs/hr
R4-
Runnable

02h19m
Housatonic [CT] below Falls Village Hydro Plant III-IV 6020 cfs
+ 20 cfs/hr
R4-
Runnable

02h19m
Natchaug - Diana's Pool [CT] England Road to Route 198 II-IV 4.73 ft
-0.07 ft/hr
R4-
Runnable

01h35m
Natchaug - Lower [CT] Route 198 to Bassetts Bridge Road II(III) 4.73 ft
-0.07 ft/hr
R4-
Runnable

01h35m
Natchaug - Upper [CT] Route 44 to England Road II 4.73 ft
-0.07 ft/hr
R4-
Runnable

01h35m
Naugatuck [CT] 1) Torrington II-III+ n/a

Naugatuck [CT] 2) South Waterbury–Beacon Falls I-II ~ 6.50 ft
-0.03 ft/hr
R8-
Upper Runnable

02h05m
Norwalk [CT] Bridge in Cannondale to Mouth II n/a

Quinebaug [CT] Below Route 6 III 3110 cfs
+ 50 cfs/hr
R4-
Runnable

02h05m
Shepaug [CT] Route 341 to Route 67 II-III 337 cfs
-5 cfs/hr
R3-
Runnable

02h19m
Ten Mile [NY] Wassaic to NY line I n/a

Tenmile [CT] South Dover NY to Gaylordsville Ct I-III n/a

Willimantic River [CT] Bridge St. to the Thread Mill III-IV 729 cfs
-12 cfs/hr
R3-
Runnable

02h19m
Willimantic River [CT] Eagleville Dam to Bridge Street I-II 729 cfs
-12 cfs/hr
R2-
Lower Runnable

02h19m

Lower Hudson-Long Island

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River Name/Section Class Level running? Updated
Croton [NY] Croton Dam to Hudson River II 6.63 ft
-0.07 ft/hr
R8-
Upper Runnable

01h50m
India Brook [NJ] Upstream to Mountainside Rd. III-V n/a

Lamington [NJ] Chester to Pottersville III-IV 435 cfs
-6 cfs/hr
H0-
Above Recom.

01h20m
Lamington [NJ] Rt 512 at Pottersville to confluence w/ No. Branch of Rarita... I-II 435 cfs
-6 cfs/hr
R1-
Lower Runnable

01h20m
Pequannock [NJ] Newfoundland (Rte 513) to Alt Rt 511, Pompton Lakes II-IV 1280 cfs
-20 cfs/hr
R5-
Runnable

00h50m
Pocantico [NY] Pocantico Lake to Sleepy Hollow cemetary II-III+(IV) n/a

Ramapo [NY] Route 210 to Ramapo II-III 2120 cfs
-50 cfs/hr
R6-
Runnable

02h19m
Raritan, N. Branch [NJ] West of Mendham to North of Far Hills I-II 2.79 ft
-0.01 ft/hr
L9-
Below Recom.

00h50m
Raritan, S. Branch [NJ] Hoffman's Bridge to unnamed bridge at Readingsburg III-IV 7.76 ft
-0.04 ft/hr
R4-
Runnable

00h50m
Raritan, S. Branch [NJ] Town of High Bridge to confluence with North Branch of the R... I-II 590 cfs
-21 cfs/hr
R1-
Lower Runnable

00h50m
Rockaway Creek [NJ] Mountainville to McCrea Mills II-IV 65 cfs
-1 cfs/hr
R0-
Lower Runnable

01h35m
Rockaway [NJ] Below Falls to Rte. 287 IV-V 2450 cfs
-80 cfs/hr
R7-
Upper Runnable

00h35m
Stony Brook [NY] Lower section, from hikers parking lot to the Ramapo River I-II n/a

Stony Brook [NY] Lake Sebago to 7 Lakes Dr. bridge II-III+ 2120 cfs
-50 cfs/hr
R4-
Runnable

02h19m
Wanaque [NJ] Hikers Bridge to Monksville Reservoir III-IV 800 cfs
-18 cfs/hr
R4-
Runnable

01h35m