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New England District Corps of Engineers Geotech Action Status February 15, 2026 12:10 AM |
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| 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 |
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UPPER CONNECTICUT RIVER BASIN Basin Regulator: Jeremy Kellett |
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| Ball Mountain Dam | 172 | 805.5 | 15 Feb 12:00 am | 48.90 | .00 | n/a | 75 | .00 | .00 | 150.0 | 36.0 | 65 Feet (Summer), 35 Feet (Winter) | 211.5 |
| North Hartland Dam | 220 | 390 | 15 Feb 12:00 am | 37.23 | .00 | 37.2 | 50 | .00 | .00 | 129.0 | 64.0 | 35 Feet | 156.5 |
| North Springfield Dam | 158 | 452 | 14 Feb 11:30 pm | 15.60 | .00 | 15.6 | 45 | .00 | .00 | 68.0 | 50.0 | 15 Feet | 93.5 |
| Otter Brook Dam | 47 | 683 | 15 Feb 12:00 am | 23.27 | -.02 | 23.2 | 32 | .00 | .00 | 87.0 | 80.0 | 20 Feet (Summer), 21 Feet (Winter) | 98 |
| Surry Mountain Dam | 100 | 485 | 15 Feb 12:00 am | 18.73 | .00 | 18.7 | 25 | .00 | .00 | 57.0 | 77.0 | 15 Feet (Summer), 18 Feet (Winter) | 65 |
| Townshend Dam | 278 | 457 | 15 Feb 12:00 am | 21.97 | .00 | 22.0 | 32 | .00 | .00 | 72.0 | 50.0 | 21 Feet | 96 |
| Union Village Dam | 126 | 420 | 15 Feb 12:00 am | 24.12 | -.07 | 23.8 | 35 | .00 | .00 | 90.0 | 26.0 | 0 Feet (Summer), 20 Feet (Winter) | 144 |
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LOWER CONNECTICUT RIVER BASIN Basin Regulator: Peter Upham |
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| Barre Falls Dam | 55 | 761 | 15 Feb 12:00 am | 771.47 | .00 | n/a | 790 | .00 | .00 | 797.0 | 50.0 | 772 Feet (Summer), 776 Feet (Winter) | 807 |
| Birch Hill Dam | 175 | 815 | 15 Feb 12:00 am | 1.43 | .00 | 1.4 | 14 | .00 | .00 | 25.0 | 41.0 | 0 Feet | 37 |
| Conant Brook Dam | 8 | 693 | 14 Feb 11:30 pm | .19 | .00 | .1 | 16 | .00 | .00 | 27.0 | 15.0 | 0 Feet | 64 |
| Colebrook Dam | 118 | 575 | 14 Feb 11:30 pm | 667.14 | -.03 | 708.1 | 718 | .00 | .00 | 739.0 | 55.0 | 708 Feet NGVD (Normal), 714.5 Feet (Spring) | 761 |
| Knightville Dam | 162 | 480 | 15 Feb 12:00 am | 35.68 | -.06 | n/a | 60 | .00 | .00 | 125.0 | 90.0 | 0 Feet (Summer), 35 Feet (Winter) | 130 |
| Littleville Dam | 52 | 486.5 | 14 Feb 11:45 pm | 518.99 | .00 | n/a | 528 | .00 | .00 | 549.0 | 46.0 | 518 Feet NGVD | 576 |
| Mad River Dam | 18 | 855 | 14 Feb 11:30 pm | 17.26 | -.04 | 17.1 | n/a | n/a | n/a | n/a | n/a | 17 Feet | 128 |
| Sucker Brook Dam | 3 | 881 | 14 Feb 11:30 pm | 1.29 | .00 | .0 | n/a | n/a | n/a | n/a | n/a | 0 Feet | 54 |
| Tully Dam | 50 | 625 | 15 Feb 12:00 am | 12.77 | .03 | 12.9 | 25 | .00 | .00 | 32.0 | 49.0 | 16 Feet (Summer), 13 Feet (Winter) | 43 |
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MERRIMACK RIVER BASIN Basin Regulator: Margaret DiGiorno |
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| Blackwater Dam | 128 | 515 | 14 Feb 11:30 pm | 515.81 | .01 | 515.8 | 540 | .00 | .00 | 561.0 | 72.0 | 516 Feet NGVD | 566 |
| Edward Macdowell Dam | 44 | 904 | 15 Feb 12:00 am | 911.28 | .00 | 911.3 | 918 | .00 | .00 | 929.0 | 39.0 | 911.5 Feet NGVD | 946 |
| Everett Dam | 64 | 325 | 15 Feb 12:00 am | 340.41 | .00 | 340.4 | 347 | .00 | .00 | 375.0 | 8.0 | 340.5 Feet NGVD | 418 |
| Franklin Falls Dam | 1000 | 300 | 14 Feb 11:30 pm | 306.61 | .07 | .0 | 320 | .00 | .00 | 375.0 | 73.0 | 307 Feet NGVD | 389 |
| Hopkinton Dam | 426 | 366 | 15 Feb 12:00 am | 381.12 | .08 | n/a | 388 | .00 | .00 | 395.0 | 19.0 | 380 Feet NGVD(Summer), 382 Feet NGVD(Winter) | 416 |
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NAUGATUCK RIVER BASIN Basin Regulator: Margaret DiGiorno |
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| Black Rock Dam | 20 | 410 | 14 Feb 11:30 pm | 27.07 | .00 | 27.1 | 45 | .00 | .00 | 80.0 | 44.0 | 27 Feet | 110 |
| East Branch Dam | 9 | 798 | 14 Feb 11:30 pm | .56 | .00 | .0 | n/a | n/a | n/a | n/a | n/a | 0 Feet | 67 |
| Hop Brook Dam | 16 | 292 | 15 Feb 12:00 am | 19.21 | .00 | n/a | 30 | .00 | .00 | 45.0 | 25.0 | 18.5 Feet | 72 |
| Hancock Brook Dam | 12 | 454 | 14 Feb 11:30 pm | 7.27 | .00 | 7.3 | 17 | n/a | n/a | 23.0 | 56.0 | 7 Feet | 30 |
| Hall Meadow Dam | 17 | 850 | 14 Feb 11:30 pm | 3.48 | -.02 | n/a | n/a | n/a | n/a | n/a | n/a | 9 Feet | 48 |
| Northfield Brook Dam | 6 | 480.5 | 15 Feb 12:00 am | 16.58 | -.03 | .0 | 30 | n/a | n/a | 61.0 | 30.0 | 22.5 Feet | 95.5 |
| Thomaston Dam | 97 | 380 | 14 Feb 11:30 pm | 4.64 | .05 | 4.8 | 40 | .00 | .00 | 76.0 | 35.0 | 0 Feet | 114 |
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THAMES RIVER BASIN Basin Regulator: Stephen Kissock, P.E. |
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| Buffumville Dam | 27 | 481.5 | 14 Feb 11:30 pm | 11.19 | -.01 | 11.2 | 19 | .00 | .00 | 27.5 | 40.0 | 11 Feet | 42.5 |
| East Brimfield Dam | 67 | 619 | 15 Feb 12:00 am | 13.51 | .00 | 13.5 | 16 | .00 | .00 | 23.0 | 31.0 | 13 Feet | 34 |
| Hodges Village Dam | 31 | 465.5 | 15 Feb 12:00 am | 2.94 | .00 | 2.9 | 15 | .00 | .00 | 19.0 | 27.0 | 0 Feet | 35.5 |
| Mansfield Hollow Dam | 159 | 195 | 14 Feb 11:30 pm | 16.44 | -.01 | 16.4 | 25 | .00 | .00 | 40.0 | 35.0 | 16.5 Feet (Summer), 15 Feet (Winter), 18.5 Feet (Spring) | 62 |
| West Thompson Dam | 172 | 292 | 15 Feb 12:00 am | 15.47 | .02 | 15.5 | 20 | .00 | .00 | 37.0 | 46.0 | 15 Feet | 50.5 |
| Westville Dam | 99 | 515 | 15 Feb 12:00 am | 11.27 | -.01 | 11.2 | 20 | .00 | .00 | 35.0 | 15.0 | 10.5 Feet | 57 |
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BLACKSTONE RIVER BASIN Basin Regulator: Stephen Kissock, P.E. |
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| Woonsocket Falls Dam | 369 | 14 Feb 11:30 pm | 1.19 | -.02 | n/a | n/a | .00 | .00 | n/a | n/a | 0 Feet | n/a | |
| West Hill Dam | 28 | 234 | 15 Feb 12:00 am | 2.46 | .00 | 2.5 | 15 | .00 | .00 | 19.0 | 34.0 | 2 Feet | 30 |