New England District Corps of Engineers
Geotech Action Status
March 23, 2023 04:59 PM
Legend: Warning Action Required
Project Drain. Area
(sq. mi.)
Invert Elev.
(ft NGVD)
Date/Time Pool
(ft)
6-Hr Change
(ft)
24-Hr Pred.
Stage (ft)
Daily Project
Inspection Level
Precip.
24-Hr (in)
Precip.
48-Hr (in)
Geotech
Recon. Level
Geotech
Recon. % Full
Normal Pool Spillway
UPPER CONNECTICUT RIVER BASIN
Basin Regulator: Megan Pierce, P.E.
Ball Mountain Dam 172 805.5 23 Mar 04:45 pm 40.11 -.07 n/a 75 .03 .03 150.0 36.0 65 Feet (Summer), 35 Feet (Winter) 211.5
North Hartland Dam 220 390 23 Mar 04:45 pm 37.31 -.04 35.4 50 .04 .04 129.0 64.0 35 Feet 156.5
North Springfield Dam 158 452 23 Mar 04:30 pm 16.16 .03 16.1 45 .04 .04 68.0 50.0 15 Feet 93.5
Otter Brook Dam 47 683 23 Mar 04:45 pm 23.51 .05 23.7 32 .03 .03 87.0 80.0 20 Feet (Summer), 21 Feet (Winter) 98
Surry Mountain Dam 100 485 23 Mar 04:45 pm 19.59 .16 19.9 25 .02 .02 57.0 77.0 15 Feet (Summer), 18 Feet (Winter) 65
Townshend Dam 278 457 23 Mar 04:30 pm 23.43 .12 23.6 32 .02 .02 72.0 50.0 21 Feet 96
Union Village Dam 126 420 23 Mar 04:45 pm 23.42 .10 23.5 35 .09 .09 90.0 26.0 0 Feet (Summer), 20 Feet (Winter) 144
LOWER CONNECTICUT RIVER BASIN
Basin Regulator: Peter Upham
Barre Falls Dam 55 761 23 Mar 04:45 pm 778.29 n/a n/a 790 .00 .00 797.0 50.0 772 Feet (Summer), 776 Feet (Winter) 807
Birch Hill Dam 175 815 23 Mar 04:45 pm 9.59 .18 10.1 14 .00 .00 25.0 41.0 0 Feet 37
Conant Brook Dam 8 693 23 Mar 04:30 pm 2.52 .02 2.4 16 n/a n/a 27.0 15.0 0 Feet 64
Colebrook Dam 118 575 23 Mar 04:45 pm 710.64 .21 n/a 718 .00 .00 739.0 55.0 708 Feet NGVD (714.5 Feet Spring) 761
Knightville Dam 162 480 23 Mar 04:30 pm 41.19 .21 42.0 60 .06 .06 125.0 90.0 0 Feet (Summer), 35 Feet (Winter) 130
Littleville Dam 52 486.5 23 Mar 04:30 pm 520.29 .10 520.6 528 .05 .05 549.0 46.0 518 Feet NGVD 576
Mad River Dam 18 855 23 Mar 04:30 pm 17.56 .15 .0 n/a n/a n/a n/a n/a 17 Feet 128
Sucker Brook Dam 3 881 23 Mar 04:30 pm 6.40 1.09 9.0 n/a n/a n/a n/a n/a 0 Feet 54
Tully Dam 50 625 23 Mar 04:30 pm 14.68 .22 15.3 25 .01 .01 32.0 49.0 16 Feet (Summer), 13 Feet (Winter) 43
MERRIMACK RIVER BASIN
Basin Regulator: Laura Fraser
Blackwater Dam 128 515 23 Mar 04:30 pm 520.04 .16 519.8 540 .02 .02 561.0 72.0 516 Feet NGVD 566
Edward Macdowell Dam 44 904 23 Mar 04:30 pm 912.58 .07 912.8 918 .02 .02 929.0 39.0 912 Feet NGVD 946
Everett Dam 64 325 23 Mar 04:45 pm 342.22 .06 342.4 347 .04 .04 375.0 8.0 340.5 Feet NGVD 418
Franklin Falls Dam 1000 300 23 Mar 04:30 pm 307.68 .18 308.0 320 .04 .04 375.0 73.0 307 Feet NGVD 389
Hopkinton Dam 426 366 23 Mar 04:45 pm 383.29 -.21 n/a 388 .02 .02 395.0 9.0 380 Feet NGVD(Summer), 382 Feet NGVD(Winter) 416
NAUGATUCK RIVER BASIN
Basin Regulator: Laura Fraser
Black Rock Dam 20 410 23 Mar 04:30 pm 27.44 .01 27.3 45 .06 .06 80.0 44.0 27 Feet 110
East Branch Dam 9 798 23 Mar 04:30 pm 2.95 .78 .0 n/a n/a n/a n/a n/a 0 Feet 67
Hop Brook Dam 16 292 23 Mar 04:45 pm 19.27 .01 n/a 30 .08 .08 45.0 6.0 18.5 Feet 72
Hancock Brook Dam 12 454 23 Mar 04:45 pm 7.38 .02 7.4 17 n/a n/a 23.0 56.0 7 Feet 30
Hall Meadow Dam 17 850 23 Mar 04:30 pm 11.11 .07 11.4 n/a n/a n/a n/a n/a 9 Feet 48
Northfield Brook Dam 6 476 23 Mar 04:30 pm 22.86 .00 22.9 30 n/a n/a 61.0 30.0 22.5 Feet 95.5
Thomaston Dam 97 380 23 Mar 04:30 pm 7.40 .34 5.6 40 .05 .05 76.0 35.0 0 Feet 114
THAMES RIVER BASIN
Basin Regulator: Stephen Kissock, P.E.
Buffumville Dam 27 481.5 23 Mar 04:30 pm 11.69 -.01 11.7 19 .02 .02 27.5 40.0 11 Feet 42.5
East Brimfield Dam 67 619 23 Mar 04:45 pm 14.04 -.02 13.9 16 .02 .02 23.0 31.0 13 Feet 34
Hodges Village Dam 31 465.5 23 Mar 04:45 pm 4.88 -.02 4.8 15 .00 .00 19.0 27.0 0 Feet 35.5
Mansfield Hollow Dam 159 195 23 Mar 04:30 pm 17.40 -.01 17.3 25 .13 .13 40.0 35.0 16.5 Feet (Summer), 15 Feet (Winter) 62
West Thompson Dam 172 292 23 Mar 04:45 pm 14.94 -.03 14.8 20 .07 .07 37.0 46.0 15 Feet 50.5
Westville Dam 99 515 23 Mar 04:45 pm 11.48 -.03 11.4 20 .01 .01 30.0 11.0 10.5 Feet 57
BLACKSTONE RIVER BASIN
Basin Regulator: Stephen Kissock, P.E.
Woonsocket Falls Dam 369 23 Mar 04:30 pm .58 -.03 n/a n/a .03 .03 n/a n/a 0 Feet n/a
West Hill Dam 28 234 23 Mar 04:45 pm 3.22 -.01 3.2 15 .00 .00 19.0 34.0 2 Feet 30