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Basin Index

New England District Corps of Engineers
Projects
September 04, 2026 07:15 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
UPPER CONNECTICUT RIVER BASIN
Basin Regulator: Jeremy Kellett
Union Village Dam 126 04 SEP 06:30 pm 6.69 -.13 6.2 0 5.63 17 12 .01 .73 .88 0 144
North Hartland Dam 220 04 SEP 06:30 pm 36.37 .00 36.1 1 5.84 432 407 .00 .02 .32 35 156.5
North Springfield Dam 158 04 SEP 07:00 pm 15.41 -.02 n/a 0 5.92 n/a n/a .00 .05 .36 15 93.5
Ball Mountain Dam 172 04 SEP 06:30 pm 67.25 .03 67.4 4 5.68 39 45 .00 .02 .67 65 211.5
Townshend Dam 278 04 SEP 07:00 pm 22.69 -.01 22.9 1 5.78 55 66 .00 .00 .55 21 96
Surry Mountain Dam 100 04 SEP 06:30 pm 6.39 .01 .0 0 5.94 12 12 .00 .04 .48 15 65
Otter Brook Dam 47 04 SEP 06:30 pm 19.10 .00 19.1 1 6.97 6 6 .00 .05 .38 20 98


New England District Corps of Engineers
River Gages
September 04, 2026 07:14 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
UPPER CONNECTICUT RIVER BASIN
Basin Regulator: Jeremy Kellett
Connecticut River @ Wells River, Vt 2644 04 SEP 06:30 pm 2.34 1,315 -.01 -11 .5 19700 7.5 44500 13
Connecticut River @ West Lebanon, Nh 4092 04 SEP 06:30 pm 4.51 1,675 .02 25 .4 29200 14 64200 22
White River @ West Hartford, Vt 690 04 SEP 06:30 pm 2.95 175 -.01 -3 .3 9910 10 36100 18
Ottauquechee River @ West Bridgewater, Vt 23 04 SEP 06:30 pm 2.98 7 -.01 -0 .3 n/a n/a n/a n/a
Connecticut River @ North Walpole, Nh 5493 04 SEP 06:30 pm 6.33 2,058 .00 0 .4 65100 24 92800 30
Ashuelot River Near Gilsum, Nh 71.1 04 SEP 06:30 pm 1.43 9 -.02 -1 .1 n/a n/a n/a n/a
Minnewawa Brook @ Marlborough, Nh 32 04 SEP 07:00 pm -.52 n/a -.01 n/a n/a n/a 8 n/a 10
Ashuelot River @ Keene, Nh 114 04 SEP 06:45 pm 64.91 n/a .00 n/a n/a n/a 71.5 n/a 73
Ashuelot River @ West Swanzey, Nh 316 04 SEP 06:45 pm 5.05 64 -.03 -3 .2 2920 10 3850 11
Ashuelot River @ Hinsdale, Nh 420 04 SEP 06:45 pm 3.20 121 .01 2 .3 6170 8 9360 9