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Basin Index

New England District Corps of Engineers
Projects
January 24, 2026 10:02 PM
Legend: Pool >50% Full Spillway Discharge (pool stage > spillway)
  Storage Flow Rainfall Pool
Project Drain.
Area
( mi2 )
Date/Time Pool
(ft)
6 Hr Change
(ft)
24 Hr Pred.
Stage
(ft)
% Cap. Avail.
per Drain. Area
(in)
Outflow
(cfs)
Inflow
(cfs)
24hr
(in)
48hr
(in)
7-Day
(in)
Normal Spillway
LOWER CONNECTICUT RIVER BASIN
Basin Regulator: Peter Upham
Birch Hill Dam 175 24 JAN 09:45 pm 1.42 .00 1.4 0 5.34 136 137 .00 .00 .18 0 37
Tully Dam 50 24 JAN 09:45 pm 11.73 -.06 11.5 0 8.02 51 36 .00 .00 .07 16 43
Barre Falls Dam 55 24 JAN 09:45 pm 771.52 .01 770.4 0 8.18 197 181 .00 .00 .38 772 807
Conant Brook Dam 8 24 JAN 09:30 pm 1.23 -.05 1.3 0 8.99 12 12 .00 .00 .13 0 64
Knightville Dam 162 24 JAN 09:45 pm 39.47 -.22 n/a 4 5.47 n/a n/a .00 .00 .03 35 130
Littleville Dam 52 24 JAN 09:30 pm 518.99 .00 518.9 1 8.21 78 59 .01 .01 .19 518 576
Colebrook Dam 118 24 JAN 09:30 pm 669.51 -.08 .0 0 7.98 171 171 .00 .00 .32 708 761
Mad River Dam 18 24 JAN 09:30 pm 17.41 .04 17.6 0 9.79 18 19 --- --- --- 17 128
Sucker Brook Dam 3 24 JAN 09:30 pm 1.29 .00 .0 0 8.10 2 2 --- --- --- 0 54


New England District Corps of Engineers
River Gages
January 24, 2026 10:02 PM
Legend: Warning Stage Flood Stage
Gage Drainage
Area
( mi2 )
Date/Time Stage
(ft)
Q
(cfs)
6 Hour
Change
Stage (ft)
6 Hour
Change
Flow (cfs)
CSM
Q/DA
Warning
Flow
Warning
Stage
Flood
Flow
Flood
Stage
LOWER CONNECTICUT RIVER BASIN
Basin Regulator: Peter Upham
Millers River @ Winchendon, Ma 82 24 JAN 09:00 pm 4.23 59 -.01 -1 .7 n/a n/a n/a n/a
Priest Brook @ Winchendon, Ma 19 24 JAN 09:45 pm 2.66 13 -.01 -0 .7 n/a n/a n/a n/a
Millers River @ South Royalston, Ma 189 24 JAN 09:30 pm 5.07 293 .00 0 1.5 n/a n/a n/a n/a
Millers River @ Athol, Ma 280 24 JAN 09:45 pm -3.12 366 .20 45 1.3 n/a 2.5 n/a 3.3
Millers River @ Erving, Ma 372 24 JAN 09:00 pm 2.43 279 -.08 -33 .7 n/a n/a 4640 6.4
Connecticut River @ Montague City, Ma 7865 24 JAN 09:30 pm 12.58 16,164 2.17 6,247 2.1 64200 25 89700 30
Deerfield River @ West Deerfield, Ma 558 24 JAN 09:30 pm 3.26 1,326 -.12 -156 2.4 10500 7 14200 8
Connecticut River @ Holyoke, Ma 8309 24 JAN 09:30 pm 8.52 13,075 .11 347 1.6 73900 22 100643 26.5
Ware River @ Barre Plains, Ma 115 24 JAN 09:30 pm .14 15 .02 1 .1 500 2.5 980 4
Ware River @ Gibbs Crossing, Ma 199 24 JAN 09:30 pm 2.39 139 -.07 -22 .7 2030 5 2420 5.5
Chicopee River @ Indian Orchard, Ma 688 24 JAN 09:00 pm 4.51 413 .20 98 .6 6520 10 10200 12
WB, Westfield River @ Huntington, Ma 94 24 JAN 09:30 pm 3.68 81 .10 14 .9 2940 7.5 5560 9
Westfield River @ Westfield, Ma 497 24 JAN 09:15 pm 3.74 330 -1.09 -573 .7 4000 8 11700 13
Connecticut River @ Thompsonville, Ct 9661 24 JAN 09:30 pm 8.93 13,187 .33 3,056 1.4 74800 14.5 153147 19.2
Farmington River @ New Boston, Ma 92 24 JAN 09:30 pm 3.24 131 .05 9 1.4 1690 5.9 3700 7.5
Still River @ Robertsville, Ct 85 24 JAN 09:30 pm 2.75 210 .03 8 2.5 n/a n/a n/a n/a
Farmington River @ Riverton, Ct 131 24 JAN 09:30 pm 3.90 171 -.01 -3 1.3 1500 6.5 3010 8.1
Farmington River @ Unionville, Ct 378 24 JAN 09:45 pm 5.49 417 .19 78 1.1 3650 9 8710 12
Farmington River @ Simsbury, Ct 497 24 JAN 09:30 pm 2.08 400 -.01 -3 .8 1870 6 6410 12
Connecticut River @ Hartford, Ct 10480 24 JAN 09:30 pm 2.06 5,210 .97 2,030 .5 n/a 16 n/a 22