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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
Ammonoosuc (Upper) [NH] II n/a

Ammonoosuc, (Upper) W. Branch [NH] West Branch of the Upper IV n/a

Ammonoosuc [NH] 1. Top-of-The V 212 cfs
-10 cfs/hr
R2-
Lower Runnable
22h41m
Ammonoosuc [NH] 2. Littleton to Lisbon I-II 212 cfs
-10 cfs/hr
L9-
Below Recom.
22h41m
Ammonoosuc [NH] 3. Bretton Woods to Twin Mountain II-III 1.86 ft
0.00 ft/hr
L8-
Below Recom.
00h41m
Ammonoosuc [NH] 4. Twin Mountain to Pierce bridge II-III 1.86 ft
0.00 ft/hr
L0-
Below Recom.
00h41m
Ammonoosuc [NH] 5. Pierce bridge to NH 116 II-IV 1.86 ft
0.00 ft/hr
L5-
Below Recom.
00h41m
Ashuelot, S. Branch [NH] Troy to Webb III-IV 489 cfs
0 cfs/hr
L2-
Below Recom.
00h26m
Ashuelot [NH] 1. Upper Ash III-IV 105 cfs
-3 cfs/hr
L8-
Below Recom.
00h41m
Ashuelot [NH] 2. Middle Ash II 105 cfs
-3 cfs/hr
L6-
Below Recom.
00h41m
Ashuelot [NH] 3. Lower Ash II-IV 4.54 ft
-0.01 ft/hr
R0-
Lower Runnable
00h26m
Ball Mountain Brook [VT] Metcalf Road to Jamaica State Park III-IV 221 cfs
+ 46 cfs/hr
L2-
Below Recom.
36h42m
Bingo Brook [VT] Brandon Gap III-IV n/a

Black [VT] Whitesville to Perkinsville II-III(IV) 250 cfs
-3 cfs/hr
L9-
Below Recom.
00h41m
Blank Reach I n/a

Bloods Brook [NH] The Ledges V 409 cfs
-12 cfs/hr
L5-
Below Recom.
00h41m
Broad Brook [NH] Above Powerlines to Lower Ashuelot IV+ 4.54 ft
-0.01 ft/hr
L4-
Below Recom.
00h26m
Center Brook [CT] Pisgah Mtn. Rd. to Sandy Brook V 3.42 ft
+0.04 ft/hr
L4-
Below Recom.
00h41m
Chickley [MA] Route 8A to Deerfield River II-III 4.31 ft
+0.04 ft/hr
L8-
Below Recom.
00h41m
Connecticut [MA] 1. Turners Falls Dam Bypass Reach II-III 11600 cfs
-201 cfs/hr
H1-
Above Recom.
00h41m
Connecticut [MA] 2. Wave-o-Saurus II(III) 11600 cfs
-201 cfs/hr
L7-
Below Recom.
00h41m
Connecticut [NH] Pittsburg III-IV(V) 467 cfs
0 cfs/hr
L8-
Below Recom.
00h56m
Connecticut [VT] Sumner Falls I-III 2170 cfs
0 cfs/hr
R0-
Lower Runnable
00h26m
Croyden Brook [NH] Newport II-III 1.99 ft
0.00 ft/hr
L6-
Below Recom.
00h41m
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 [VT] 1) Searsburg Dam to Harriman Reservoir III n/a

Deerfield [VT] 2) Harriman Reservoir to Sherman Reservoir (Upper Dryway) III-IV n/a

Deerfield [MA] 3) The Dryway III-IV n/a

Deerfield [MA] 4) Fife Brook Section II(III) 433 cfs
-88 cfs/hr
L6-
Below Recom.
00h41m
Deerfield [MA] 5) Zoar Picnic Area to East Charlemont I 433 cfs
-88 cfs/hr
R0-
Lower Runnable
00h41m
Deerfield [MA] 6) Above Shelburne Falls III 433 cfs
-88 cfs/hr
R0-
Lower Runnable
00h41m
Deerfield [MA] 7) #2 Dam Section I-II 1890 cfs
+ 321 cfs/hr
R0-
Lower Runnable
00h41m
Dunbar Brook [MA] South Road to Deerfield River V n/a

Factory Brook [MA] Middlefield to Bancroft IV+ 159 cfs
+ 3 cfs/hr
L7-
Below Recom.
00h41m
Fall [MA] Otis Reservoir to Farmington River IV+ n/a

Farmington, W. Branch [CT] 1. Hogback Road (Goodwin Dam) to Riverton I-II 456 cfs
0 cfs/hr
R0-
Lower Runnable
00h41m
Farmington, W. Branch [MA] 1. Upper New Boston II 3.42 ft
+0.04 ft/hr
L8-
Below Recom.
00h41m
Farmington, W. Branch [MA] 2. New Boston III 3.42 ft
+0.04 ft/hr
L0-
Below Recom.
00h41m
Farmington, W. Branch [CT] 2. Riverton to Satan's Kingdom parking area I-II 4.65 ft
0.00 ft/hr
R7-
Upper Runnable
00h41m
Farmington, W. Branch [MA] 3. Bear's Den, Lower New Boston II 3.42 ft
+0.04 ft/hr
L8-
Below Recom.
00h41m
Farmington [CT] 1. Satan's Kingdom Parking Area to Canton I-II+(III) 4.65 ft
0.00 ft/hr
R4-
Runnable
00h41m
Farmington [CT] 2. Collinsville to Unionville II 6.41 ft
+0.01 ft/hr
R0-
Lower Runnable
00h41m
Farmington [CT] 3. Tariffville Park (Simsbury) to Highway 187 (Tariffville G... II-III 2.87 ft
+0.01 ft/hr
R2-
Lower Runnable
00h56m
Gale River [NH] Franconia to Ammonoosuc II-IV 1.86 ft
0.00 ft/hr
L0-
Below Recom.
00h41m
Green (Deerfield River Trib.) [MA] W. Leyden to covered bridge II-III 108 cfs
0 cfs/hr
L8-
Below Recom.
00h56m
Green [VT] Green River to West Leyden, MA II-III 108 cfs
0 cfs/hr
L8-
Below Recom.
00h56m
Hubbard [MA] W Hartland Rd (Granville State Park) to Rt 20 V 1.57 ft
-0.01 ft/hr
L0-
Below Recom.
00h41m
Israel River [NH] Riverton to Lancaster II n/a

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

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

Lawrence Brook [MA] Doane Falls V+ 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 [MA] 1) Upper III 3.34 ft
0.00 ft/hr
L9-
Below Recom.
00h41m
Millers [MA] 2) Lower II-III(IV) 3.34 ft
0.00 ft/hr
L9-
Below Recom.
00h41m
Minnewawa [NH] Marlborough recycling center to Otter Brook II-IV 130 cfs
+ 1 cfs/hr
L4-
Below Recom.
00h41m
Mohawk [NH] Colebrook II-III n/a

Moose [VT] 1. Victory Bog to Concord II-III 4.41 ft
-0.04 ft/hr
L7-
Below Recom.
01h11m
Moose [VT] 2. East St. Johnsbury to Passumpsic River II-IV 4.41 ft
-0.04 ft/hr
L8-
Below Recom.
01h11m
North River [MA] East Branch II-III+(V) 4.11 ft
0.00 ft/hr
R1-
Lower Runnable
00h41m
Nulhegan [VT] Hatchery to Connecticut River II-III(V) n/a

Ompompanoosuc, W. Branch [VT] Strafford to Rices Mill II(III) 23.31 ft
-0.01 ft/hr
R0-
Lower Runnable
00h41m
Ompompanoosuc [VT] Post Mills to Confluence I-II+(IV) 23.31 ft
-0.01 ft/hr
R1-
Lower Runnable
00h41m
Ottauquechee [VT] Just above Route 4 to 1 Mile below Route 4 III+(V) 409 cfs
-12 cfs/hr
R0-
Lower Runnable
00h41m
Otter Brook [NH] Roxbury to Keene II 130 cfs
+ 1 cfs/hr
L4-
Below Recom.
00h41m
Passumpsic E Br [VT] E. Burke dam-Rt. 114 bridge II(IV) 58 cfs
-1 cfs/hr
L0-
Below Recom.
01h11m
Pelham Brook [MA] Rowe Center to Deerfield River V n/a

Phillips Brook [NH] Milan III n/a

Potash [MA] Blandford Rd - Russel, MA to Westfield River V n/a

Quaboag [MA] Lucy Stone Park in Warren to Route 67 II-III 4.47 ft
0.00 ft/hr
R1-
Lower Runnable
00h56m
Roaring Brook [CT] Cold Brook Rd to Rt 17 in S Glastonbury III-IV 232 cfs
0 cfs/hr
L7-
Below Recom.
00h56m
Rock [VT] 2.) Lower III-IV n/a

Salmon [CT] Blackledge, Old route 2 to covered bridge at Hwy 16 II 3.24 ft
0.00 ft/hr
L9-
Below Recom.
00h56m
Salmon [CT] Jeremy, Old route 2 to covered bridge at Hwy 16 II 3.24 ft
0.00 ft/hr
L9-
Below Recom.
00h56m
Sandy Brook [CT] Phelps Flat Rd. to Route 8 Bridge IV 1.57 ft
-0.01 ft/hr
L0-
Below Recom.
00h41m
Saxton's River [VT] Grafton to Connecticut River II-III(V) 120 cfs
0 cfs/hr
L3-
Below Recom.
00h26m
Still [CT] Above Sandy Brook V 180 cfs
0 cfs/hr
L8-
Below Recom.
00h41m
Sugar [NH] North Newport to Rt 103 II(III) 1.99 ft
0.00 ft/hr
L9-
Below Recom.
00h41m
Swift [MA] Along Rte. 9 to North Branch Westfield River IV-V 383 cfs
-4 cfs/hr
L5-
Below Recom.
00h41m
Waits River [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 159 cfs
+ 3 cfs/hr
L7-
Below Recom.
00h41m
Wardsboro Brook [VT] North Wardsboro to West River III-IV 221 cfs
+ 46 cfs/hr
L0-
Below Recom.
36h42m
Ware [MA] Gilbertville II-III ~ 530 cfs
-8 cfs/hr
R0-
Lower Runnable
00h41m
Wells River [VT] 1.) Upper I-III 2.27 ft
-0.01 ft/hr
R0-
Lower Runnable
00h26m
Wells River [VT] 2.) Lower IV-V n/a

West River [VT] 1. Londonderry rapids II-III 221 cfs
+ 46 cfs/hr
L4-
Below Recom.
36h42m
West River [VT] 2. (Salmon Hole) III 221 cfs
+ 46 cfs/hr
L4-
Below Recom.
36h42m
West River [VT] 3. Salmon Hole to Route l00 II 221 cfs
+ 46 cfs/hr
L3-
Below Recom.
36h42m
West River [VT] 4. Townsend Dam to Rock River (Newfane) I-II 4.23 ft
0.00 ft/hr
L7-
Below Recom.
01h41m
Westfield River, Dead Branch [MA] South Street to Indian Hollow Rd. Chesterfield IV(V) ~ 106 cfs
0 cfs/hr
L8-
Below Recom.
00h56m
Westfield, Middle Branch [MA] River Road to Littleville Dam II-III 159 cfs
+ 3 cfs/hr
L8-
Below Recom.
00h41m
Westfield, N. Branch [MA] 1) W. Cummington to Cummington I-III 383 cfs
-4 cfs/hr
L4-
Below Recom.
00h41m
Westfield, N. Branch [MA] 2) Cummington to Chesterfield Gorge I-III 383 cfs
-4 cfs/hr
L4-
Below Recom.
00h41m
Westfield, N. Branch [MA] 3) Chesterfield Gorge to Knightsville Dam I-III 383 cfs
-4 cfs/hr
L7-
Below Recom.
00h41m
Westfield, N. Branch [MA] 4) Knightville Dam to Huntington I-III 383 cfs
-4 cfs/hr
L9-
Below Recom.
00h41m
Westfield, W. Branch [MA] 1. Becket to Chester III-IV 159 cfs
+ 3 cfs/hr
L8-
Below Recom.
00h41m
Westfield, W. Branch [MA] 2. Chester to Huntington II-III 159 cfs
+ 3 cfs/hr
L8-
Below Recom.
00h41m
Westfield [MA] Huntington to Russell I-II 543 cfs
0 cfs/hr
R0-
Lower Runnable
00h43m
White River, First Branch [VT] Chelsea Health Center to above Sawmill Dam III-IV 1240 cfs
0 cfs/hr
R0-
Lower Runnable
00h41m
White River [VT] 1.) Upper I-II n/a

White River [VT] 2.) Lower I-II(III) 1240 cfs
0 cfs/hr
R0-
Lower Runnable
00h41m
Wild Ammonoosuc [NH] 1. Picnic Area to Wildwood to Water Supply Dam II 168 cfs
0 cfs/hr
L0-
Below Recom.
00h56m
Wild Ammonoosuc [NH] 2. Wildwood Water Supply Dam to Route 302 III ~ -0.57 ft
0.00 ft/hr
L3-
Below Recom.
00h43m
Williams River [VT] Northchester to Brockway Mills II 240 cfs
-21 cfs/hr
L4-
Below Recom.
17h26m
Winhall River [VT] Grahamville School Road to Winhall Campgrounds III+ 221 cfs
+ 46 cfs/hr
L0-
Below Recom.
36h42m

Massachusetts-Rhode Island Coastal

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River Name/Section Class Level running? Updated
Blackstone [RI] Blackstone Gorge III 1070 cfs
0 cfs/hr
H9-
Above Recom.
00h41m
Charles [MA] 1. Needham Rapids I 549 cfs
-6 cfs/hr
H0-
Above Recom.
00h26m
Charles [MA] 2. Waltham Wave II 450 cfs
+ 4 cfs/hr
R0-
Lower Runnable
00h41m
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

Monatiquot [MA] Shaw's to Weymouth Landing II-III 40 cfs
-1 cfs/hr
L4-
Below Recom.
01h11m

Connecticut Coastal

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River Name/Section Class Level running? Updated
Bantam [CT] Stoddard Road to Shepaug River II(III) 63 cfs
0 cfs/hr
L8-
Below Recom.
00h56m
East Aspetuck [CT] Paper Mill Road to Housatonic River III n/a

Far Mill River [CT] Shelton to Housatonic River IV 44 cfs
0 cfs/hr
L5-
Below Recom.
01h11m
Hammonasset [CT] Summer Hill Rd to Green Hill Rd I-II n/a

Housatonic [CT] 1. Great Falls to Falls Village Hydro Plant III-IV 1540 cfs
0 cfs/hr
R0-
Lower Runnable
00h56m
Housatonic [CT] 2. Falls Village Hydro 13.2 mi to Swifts Bridge, 9.3 mi to ... II-III 1540 cfs
0 cfs/hr
R0-
Lower Runnable
00h56m
Housatonic [CT] 3. Bulls Bridge Dam to Power Plant IV 2390 cfs
+ 70 cfs/hr
R1-
Lower Runnable
01h11m
Natchaug [CT] 1. Upper, Route 44 to England Road II 3.30 ft
-0.02 ft/hr
L6-
Below Recom.
01h11m
Natchaug [CT] 2. Diana's Pool, England Road to Route 198 II-IV 3.30 ft
-0.02 ft/hr
L8-
Below Recom.
01h11m
Natchaug [CT] 3. Lower, Route 198 to Bassetts Bridge Road II(III) 3.30 ft
-0.02 ft/hr
L6-
Below Recom.
01h11m
Naugatuck [CT] 1. Torrington II-III+ n/a

Naugatuck [CT] 2. South Waterbury-Beacon Falls I-II ~ 2.69 ft
+0.03 ft/hr
L8-
Below Recom.
00h41m
Norwalk [CT] Bridge in Cannondale to Long Island Sound II(IV) 56 cfs
0 cfs/hr
L6-
Below Recom.
00h41m
Quinebaug [CT] Below Route 6 III 754 cfs
-5 cfs/hr
L8-
Below Recom.
00h41m
Shepaug [CT] Valley Road (Shepaug Reservoir) to Route 47 II-III 63 cfs
0 cfs/hr
L0-
Below Recom.
00h56m
Tenmile [CT] South Dover NY to Gaylordsville CT I-II(III) 2.41 ft
+0.01 ft/hr
R1-
Lower Runnable
00h56m
Willimantic River [CT] 1. Eagleville Dam to Bridge Street I-II 255 cfs
+ 3 cfs/hr
L7-
Below Recom.
00h56m
Willimantic River [CT] 2. Bridge St. to the Thread Mill III-IV 255 cfs
+ 3 cfs/hr
R0-
Lower Runnable
00h56m

Lower Hudson-Long Island

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River Name/Section Class Level running? Updated
Croton [NY] Croton Dam to Hudson River II 2.45 ft
+0.01 ft/hr
L9-
Below Recom.
00h26m
India Brook [NJ] Upstream to Mountainside Rd. III-V n/a

Lamington [NJ] Chester to Pottersville III-IV 107 cfs
+ 2 cfs/hr
L7-
Below Recom.
00h56m
Lamington [NJ] Rt 512 at Pottersville to confluence w/ No. Branch of Rarita... I-II 107 cfs
+ 2 cfs/hr
R0-
Lower Runnable
00h56m
Pequannock [NJ] Newfoundland (Rte 513) to Alt Rt 511, Pompton Lakes II-IV 100 cfs
0 cfs/hr
R0-
Lower Runnable
00h52m
Pocantico [NY] Pocantico Lake to Sleepy Hollow cemetary II-III+(IV) 233 cfs
+ 2 cfs/hr
L5-
Below Recom.
00h41m
Posts Creek [NJ] Trailhead parking on Glenwild Ave. to Wanaque Res. Property ... IV-V(V+) 23 cfs
0 cfs/hr
L3-
Below Recom.
00h56m
Ramapo [NY] Route 210 to Ramapo II-III 150 cfs
-12 cfs/hr
L9-
Below Recom.
00h56m
Raritan, N. Branch [NJ] West of Mendham to North of Far Hills I-II 2.38 ft
0.00 ft/hr
L7-
Below Recom.
01h26m
Raritan, S. Branch [NJ] 1. Naughright Rd to Hoffman's Crossing Rd I-II 175 cfs
+ 2 cfs/hr
L9-
Below Recom.
01h26m
Raritan, S. Branch [NJ] 2. Hoffman's Bridge to unnamed bridge at Readingsburg III-IV 6.60 ft
+0.01 ft/hr
L9-
Below Recom.
01h26m
Raritan, S. Branch [NJ] 3. Town of High Bridge to confluence with North Branch of th... I-II 175 cfs
+ 2 cfs/hr
L9-
Below Recom.
01h26m
Rockaway Creek [NJ] Mountainville to McCrea Mills II-IV 153 cfs
+ 3 cfs/hr
R0-
Lower Runnable
01h11m
Rockaway [NJ] Below Falls to weir at Morris Avenue IV-V 279 cfs
0 cfs/hr
R0-
Lower Runnable
00h41m
Stony Brook [NY] Lower section, from hikers parking lot to the Ramapo River I-II 142 cfs
0 cfs/hr
L5-
Below Recom.
00h26m
Stony Brook [NY] Lake Sebago to 7 Lakes Dr. bridge II-III+ 150 cfs
-12 cfs/hr
L8-
Below Recom.
00h56m
Wanaque [NJ] Hikers Bridge to Monksville Reservoir III-IV 48 cfs
0 cfs/hr
L9-
Below Recom.
01h11m