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Union Village Dam, Ompompanoosuc River

Union Village Dam, Ompompanoosuc River
 Drainage Area: 126 sq. miles 
 Channel Capacity: 2,400 cfs 
 Storage at Spillway Crest: 5.65 in / 38,000 ac-ft  
 Normal Pool: 0 Feet (Summer), 20 Feet (Winter) 
 Gate Settings for March 11, 2026 07:00 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  0.6 0.7            
Date Time
(Eastern)
Pool
(ft)
JS CSV
Storage
(%)
Storage
(ac-ft)
JS CSV
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Mar-11 06:15 pm 32.87 1.9 736 7.96 662 714 13.27 46.3
Mar-11 05:15 pm 32.48 1.8 724 7.96 662 689 13.27 49.0
Mar-11 04:15 pm 32.24 1.8 717 7.94 648 674 13.27 50.3
Mar-11 03:15 pm 32.05 1.8 712 7.93 641 665 13.27 53.2
Mar-11 02:15 pm                
Mar-11 01:15 pm 31.82 1.8 705 7.91 627 667 13.27 50.3
Mar-11 12:15 pm 31.73 1.8 702 7.91 627 658 13.27 44.4
Mar-11 11:15 am 31.65 1.8 700 7.91 627 645 13.27 42.0
Mar-11 10:15 am 31.58 1.8 697 7.91 627 631 13.25 46.6
Mar-11 09:15 am 31.47 1.8 694 7.91 627 621 13.25 46.0
Mar-11 08:15 am 31.36 1.8 691 7.90 621 610 13.24 35.6
Mar-11 07:15 am 31.14 1.8 684 7.90 621 597 13.24 34.2
Mar-11 06:15 am 30.77 1.7 673 7.57 424 595 13.24 34.2
Mar-11 05:15 am 30.34 1.7 660 7.56 418 596 13.24 34.4
Mar-11 04:15 am 29.93 1.7 648 7.56 418 591 13.24 35.6
Mar-11 03:15 am 29.41 1.7 632 7.55 413 567 13.24 35.0
Mar-11 02:15 am 28.90 1.6 617 7.54 408 535 13.24 34.6
Mar-11 01:15 am 28.30 1.6 599 7.54 408 496 13.24 34.6
Mar-11 12:15 am 27.77 1.5 583 7.53 403 459 13.24 34.7
Mar-10 11:15 pm 27.26 1.5 568 7.52 398 423 13.24 36.6
Mar-10 10:15 pm 26.88 1.5 556 7.51 393 395 13.24 38.6
Mar-10 09:15 pm 26.69 1.4 551 7.50 388 379 13.24 40.4
Mar-10 08:15 pm 26.63 1.4 549 7.50 388 368 13.24 39.5
Mar-10 07:15 pm 26.61 1.4 548 7.47 373 361 13.24 47.7
Mar-10 06:15 pm 26.61 1.4 548 7.47 375 352 13.24 46.8
Maximum 24 Hour Drawdown Rate (15 feet/day): 191 cfs + Inflow (714 cfs) = 905 cfs
Report Generated March 11, 2026 10:31 pm