Hopkinton Dam, Contoocook River

Hopkinton Dam, Contoocook River
 Drainage Area: 426 sq. miles 
 Channel Capacity: 7,000 cfs 
 Storage at Spillway Crest: 6.5 in / 70,100 ac-ft  
 Normal Pool: 380 Feet NGVD(Summer), 382 Feet NGVD(Winter) 
 Gate Settings for June 24, 2024 07:00 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  0.0 0.0 0.0 0.0 8.0 8.0    
Date Time
(Eastern)
Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Jun-25 02:45 am 381.78 0.8 581       42.15  
Jun-25 01:45 am 381.78 0.8 581 2.36 458 485 42.15 67.5
Jun-25 12:45 am 381.78 0.8 581 2.36 458 502 42.15 67.5
Jun-24 11:45 pm 381.78 0.8 581 2.35 452 513 42.15 68.4
Jun-24 10:45 pm 381.77 0.8 577 2.34 446 517 42.15 68.9
Jun-24 09:45 pm 381.76 0.8 574 2.34 446 529 42.15 69.8
Jun-24 08:45 pm 381.75 0.8 570 2.33 441 525 42.15 71.1
Jun-24 07:45 pm 381.73 0.8 563 2.33 441 529 42.15 72.9
Jun-24 06:45 pm 381.70 0.8 552 2.20 365 519 42.15 74.7
Jun-24 05:45 pm 381.68 0.7 545 2.32 435 515 42.14 78.3
Jun-24 04:45 pm 381.66 0.7 538 2.31 429 503 42.14 80.6
Jun-24 03:45 pm 381.63 0.7 527 2.30 423 491 42.14 81.5
Jun-24 02:45 pm 381.62 0.7 523 2.29 417 486 42.14 81.0
Jun-24 01:45 pm 381.59 0.7 512 2.29 417 461 42.14 81.0
Jun-24 12:45 pm 381.57 0.7 505 2.28 411 435 42.14 81.0
Jun-24 11:45 am 381.55 0.7 498 2.27 405 418 42.14 81.5
Jun-24 10:45 am 381.54 0.7 494 2.26 399 409 42.14 81.0
Jun-24 09:45 am 381.52 0.7 487 2.26 399 401 42.14 78.3
Jun-24 08:45 am 381.51 0.7 484 2.25 393 408 42.14 72.9
Jun-24 07:45 am 381.51 0.7 484 2.25 393 436 42.14 71.6
Jun-24 06:45 am 381.52 0.7 487 2.25 393 462 42.14 72.0
Jun-24 05:45 am 381.52 0.7 487 2.25 393 488 42.14 72.5
Jun-24 04:45 am 381.52 0.7 487 2.25 393 511 42.14 72.9
Jun-24 03:45 am 381.51 0.7 484 2.25 393 533 42.14 73.4
Jun-24 02:45 am 381.49 0.6 476 2.25 393 547 42.14 72.9
Maximum 24 Hour Drawdown Rate (10 feet/day): 293 cfs + Inflow (485 cfs) = 778 cfs
Report Generated June 25, 2024 06:59 am