New England District Corps of Engineers
Geotech Action Status
December 14, 2024 02:21 AM
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: Margaret DiGiorno
Ball Mountain Dam 172 805.5 14 Dec 02:15 am 52.47 -4.45 n/a 75 .00 .00 150.0 36.0 65 Feet (Summer), 35 Feet (Winter) 211.5
North Hartland Dam 220 390 14 Dec 02:15 am 37.47 .03 37.6 50 .00 .00 129.0 64.0 35 Feet 156.5
North Springfield Dam 158 452 14 Dec 01:30 am 18.61 -.96 16.1 45 .00 .00 68.0 50.0 15 Feet 93.5
Otter Brook Dam 47 683 14 Dec 02:15 am 24.30 -.54 21.9 32 .00 .70 87.0 80.0 20 Feet (Summer), 21 Feet (Winter) 98
Surry Mountain Dam 100 485 14 Dec 02:15 am 21.06 -.15 20.4 25 .00 .00 57.0 77.0 15 Feet (Summer), 18 Feet (Winter) 65
Townshend Dam 278 457 14 Dec 02:15 am 24.69 -.76 21.6 32 .00 .00 72.0 50.0 21 Feet 96
Union Village Dam 126 420 14 Dec 02:15 am 20.89 -1.15 16.3 35 .00 .01 90.0 26.0 0 Feet (Summer), 20 Feet (Winter) 144
LOWER CONNECTICUT RIVER BASIN
Basin Regulator: Peter Upham
Barre Falls Dam 55 761 14 Dec 02:15 am 777.39 -.13 n/a 790 .00 .00 797.0 50.0 772 Feet (Summer), 776 Feet (Winter) 807
Birch Hill Dam 175 815 14 Dec 02:15 am 4.13 1.02 7.5 14 n/a n/a 25.0 41.0 0 Feet 37
Conant Brook Dam 8 693 14 Dec 01:30 am 1.26 -.18 .5 16 .00 .00 27.0 15.0 0 Feet 64
Colebrook Dam 118 575 14 Dec 02:15 am 662.91 .20 n/a 718 n/a n/a 739.0 55.0 708 Feet NGVD (Normal), 714.5 Feet (Spring) 761
Knightville Dam 162 480 14 Dec 02:15 am 50.38 .07 n/a 60 .00 .00 125.0 90.0 0 Feet (Summer), 35 Feet (Winter) 130
Littleville Dam 52 486.5 14 Dec 01:30 am 523.95 -.33 522.6 528 .00 .00 549.0 46.0 518 Feet NGVD 576
Mad River Dam 18 855 14 Dec 01:30 am 17.52 -.25 .0 n/a n/a n/a n/a n/a 17 Feet 128
Sucker Brook Dam 3 881 14 Dec 01:30 am .70 .00 .0 n/a n/a n/a n/a n/a 0 Feet 54
Tully Dam 50 625 14 Dec 02:15 am 12.86 -.19 12.1 25 .00 .52 32.0 49.0 16 Feet (Summer), 13 Feet (Winter) 43
MERRIMACK RIVER BASIN
Basin Regulator: Laura Fraser
Blackwater Dam 128 515 14 Dec 01:30 am 522.65 .42 524.1 540 .00 .01 561.0 72.0 516 Feet NGVD 566
Edward Macdowell Dam 44 904 14 Dec 02:15 am 914.07 .07 914.3 918 .00 .00 929.0 39.0 912 Feet NGVD 946
Everett Dam 64 325 14 Dec 02:15 am 341.70 -.09 341.3 347 .00 .00 375.0 8.0 340.5 Feet NGVD 418
Franklin Falls Dam 1000 300 14 Dec 01:30 am 320.86 -2.69 .0 320 .00 .01 375.0 73.0 307 Feet NGVD 389
Hopkinton Dam 426 366 14 Dec 02:15 am 384.42 .28 n/a 388 .00 .00 395.0 19.0 380 Feet NGVD(Summer), 382 Feet NGVD(Winter) 416
NAUGATUCK RIVER BASIN
Basin Regulator: Laura Fraser
Black Rock Dam 20 410 14 Dec 01:30 am 27.29 -.02 27.2 45 .00 .00 80.0 44.0 27 Feet 110
East Branch Dam 9 798 14 Dec 01:30 am 2.69 -.20 1.9 n/a n/a n/a n/a n/a 0 Feet 67
Hop Brook Dam 16 292 14 Dec 01:30 am 19.38 -.02 19.3 30 .00 .00 45.0 25.0 18.5 Feet 72
Hancock Brook Dam 12 454 14 Dec 01:30 am 7.35 -.04 7.2 17 n/a n/a 23.0 56.0 7 Feet 30
Hall Meadow Dam 17 850 14 Dec 02:15 am 9.58 -.06 9.3 n/a n/a n/a n/a n/a 9 Feet 48
Northfield Brook Dam 6 480.5 14 Dec 01:30 am 22.72 -.01 22.7 30 n/a n/a 61.0 30.0 22.5 Feet 95.5
Thomaston Dam 97 380 14 Dec 01:30 am 4.68 -.50 1.2 40 .00 .00 76.0 35.0 0 Feet 114
THAMES RIVER BASIN
Basin Regulator: Stephen Kissock, P.E.
Buffumville Dam 27 481.5 14 Dec 01:30 am 8.74 .01 8.8 19 .00 .00 27.5 40.0 11 Feet 42.5
East Brimfield Dam 67 619 14 Dec 02:15 am 13.90 -.02 13.8 16 .00 .00 23.0 31.0 13 Feet 34
Hodges Village Dam 31 465.5 14 Dec 01:30 am 4.88 -.51 .0 15 .00 .00 19.0 27.0 0 Feet 35.5
Mansfield Hollow Dam 159 195 14 Dec 01:30 am 18.53 -.29 17.0 25 .00 .00 40.0 35.0 16.5 Feet (Summer), 15 Feet (Winter), 18.5 Feet (Spring) 62
West Thompson Dam 172 292 14 Dec 02:15 am 15.44 .00 15.4 20 .00 .00 37.0 46.0 15 Feet 50.5
Westville Dam 99 515 14 Dec 02:15 am 11.80 -.02 11.7 20 .00 .00 35.0 15.0 10.5 Feet 57
BLACKSTONE RIVER BASIN
Basin Regulator: Stephen Kissock, P.E.
Woonsocket Falls Dam 369 14 Dec 02:00 am 1.67 -.10 n/a n/a n/a n/a n/a n/a 0 Feet n/a
West Hill Dam 28 234 14 Dec 01:30 am 3.11 -.13 2.1 15 .00 .01 19.0 34.0 2 Feet 30