New England District Corps of Engineers
Geotech Action Status
December 09, 2022 04:30 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: Megan Pierce, P.E.
Ball Mountain Dam 172 805.5 09 Dec 04:15 am 56.16 -4.69 n/a 75 .00 .29 150.0 36.0 65 Feet (Summer), 35 Feet (Winter) 211.5
North Hartland Dam 220 390 09 Dec 04:15 am 37.39 .00 37.4 50 .00 .26 129.0 64.0 35 Feet 156.5
North Springfield Dam 158 452 09 Dec 03:30 am 16.39 -.11 16.0 45 .00 .50 68.0 50.0 15 Feet 93.5
Otter Brook Dam 47 683 09 Dec 04:15 am 23.49 -.03 23.4 32 .01 .38 87.0 80.0 20 Feet (Summer), 21 Feet (Winter) 98
Surry Mountain Dam 100 485 09 Dec 04:15 am 20.03 .12 20.5 25 .00 .24 57.0 77.0 15 Feet (Summer), 18 Feet (Winter) 65
Townshend Dam 278 457 09 Dec 03:30 am 27.26 -1.28 22.1 32 .01 .26 72.0 50.0 21 Feet 96
Union Village Dam 126 420 09 Dec 04:15 am 18.26 -.41 16.6 35 .00 .26 90.0 26.0 0 Feet (Summer), 20 Feet (Winter) 144
LOWER CONNECTICUT RIVER BASIN
Basin Regulator: Peter Upham
Barre Falls Dam 55 761 09 Dec 04:15 am 780.86 .15 781.4 790 .00 .35 797.0 50.0 772 Feet (Summer), 776 Feet (Winter) 807
Birch Hill Dam 175 815 09 Dec 04:15 am 3.93 -.05 3.7 14 .00 .00 25.0 41.0 0 Feet 37
Conant Brook Dam 8 693 09 Dec 03:30 am 1.97 -.13 1.0 16 n/a n/a 27.0 15.0 0 Feet 64
Colebrook Dam 118 575 09 Dec 04:15 am 701.41 .16 n/a 718 .00 .00 739.0 55.0 708 Feet NGVD (714.5 Feet Spring) 761
Knightville Dam 162 480 09 Dec 04:00 am 6.69 -1.21 n/a 60 .00 .01 125.0 90.0 0 Feet (Summer), 35 Feet (Winter) 130
Littleville Dam 52 486.5 09 Dec 03:30 am 520.92 -.24 520.0 528 .02 .24 549.0 46.0 518 Feet NGVD 576
Mad River Dam 18 855 09 Dec 03:30 am 17.44 -.09 17.1 n/a n/a n/a n/a n/a 17 Feet 128
Sucker Brook Dam 3 881 09 Dec 03:30 am 5.34 -.07 5.1 n/a n/a n/a n/a n/a 0 Feet 54
Tully Dam 50 625 09 Dec 03:30 am 13.92 .05 14.1 25 .00 .34 32.0 49.0 16 Feet (Summer), 13 Feet (Winter) 43
MERRIMACK RIVER BASIN
Basin Regulator: Laura Fraser
Blackwater Dam 128 515 09 Dec 03:30 am 524.87 .75 526.9 540 .00 .74 561.0 72.0 516 Feet NGVD 566
Edward Macdowell Dam 44 904 09 Dec 04:15 am 913.95 -.07 913.7 918 .00 .36 929.0 39.0 912 Feet NGVD 946
Everett Dam 64 325 09 Dec 04:00 am 342.01 -.03 341.9 347 .00 .27 375.0 8.0 340.5 Feet NGVD 418
Franklin Falls Dam 1000 300 09 Dec 03:30 am 314.03 -.13 n/a 320 .00 .66 375.0 73.0 307 Feet NGVD 389
Hopkinton Dam 426 366 09 Dec 04:15 am 384.03 -.24 n/a 388 .00 .43 395.0 9.0 380 Feet NGVD(Summer), 382 Feet NGVD(Winter) 416
THAMES RIVER BASIN
Basin Regulator: Stephen Kissock, P.E.
Buffumville Dam 27 481.5 09 Dec 03:30 am 9.10 .07 9.4 19 .01 .65 27.5 40.0 11 Feet 42.5
East Brimfield Dam 67 619 09 Dec 04:15 am 13.97 .00 14.0 16 .00 .39 23.0 31.0 13 Feet 34
Hodges Village Dam 31 465.5 09 Dec 04:15 am 4.88 .01 4.9 15 .00 .86 19.0 27.0 0 Feet 35.5
Mansfield Hollow Dam 159 195 09 Dec 03:30 am 18.70 -.29 17.5 25 .00 .72 40.0 35.0 16.5 Feet (Summer), 15 Feet (Winter) 62
West Thompson Dam 172 292 09 Dec 04:15 am 15.96 -.09 15.6 20 .00 .59 37.0 46.0 15 Feet 50.5
Westville Dam 99 515 09 Dec 03:30 am 12.11 -.01 12.1 20 .01 .51 30.0 11.0 10.5 Feet 57
NAUGATUCK RIVER BASIN
Basin Regulator: Laura Fraser
Black Rock Dam 20 410 09 Dec 03:30 am 27.56 .00 27.5 45 .00 .25 80.0 44.0 27 Feet 110
East Branch Dam 9 798 09 Dec 03:30 am 1.75 -.06 1.5 n/a n/a n/a n/a n/a 0 Feet 67
Hop Brook Dam 16 292 09 Dec 04:15 am 16.31 .29 n/a 30 .00 .15 45.0 6.0 18.5 Feet 72
Hancock Brook Dam 12 454 09 Dec 03:30 am 6.91 .13 7.3 17 n/a n/a 23.0 56.0 7 Feet 30
Hall Meadow Dam 17 850 09 Dec 03:30 am 10.93 -.05 10.7 n/a n/a n/a n/a n/a 9 Feet 48
Northfield Brook Dam 6 476 09 Dec 03:30 am 16.48 -.01 .0 30 n/a n/a 61.0 30.0 22.5 Feet 95.5
Thomaston Dam 97 380 09 Dec 03:30 am 5.96 -.45 1.3 40 .00 .27 76.0 35.0 0 Feet 114
BLACKSTONE RIVER BASIN
Basin Regulator: Stephen Kissock, P.E.
Woonsocket Falls Dam 369 09 Dec 03:30 am 1.27 -.08 n/a n/a .00 .48 n/a n/a 0 Feet n/a
West Hill Dam 28 234 09 Dec 04:00 am 3.05 .00 3.1 15 .00 .69 19.0 34.0 2 Feet 30