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Colebrook Dam, West Branch Farmington River

Colebrook Dam, West Branch Farmington River
 Drainage Area: 118 sq. miles 
 Channel Capacity: 3,000 cfs 
 Storage at Spillway Crest: 7.98 in / 50,200 ac-ft  
 Normal Pool: 708 Feet NGVD (Normal), 714.5 Feet (Spring) 
 Gate Settings for August 05, 2026 03:05 pm Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  0.20 0.20 0.20          
Date Time (EDT) Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Goodwin
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Aug-09 08:30 am 694.24 0.0 0 637.39 267 82   72.1
Aug-09 07:30 am 694.27 0.0 0 637.45 267 82   70.3
Aug-09 06:30 am 694.29 0.0 0 637.41 270 82   69.4
Aug-09 05:30 am 694.31 0.0 0 637.40 270 82   70.2
Aug-09 04:30 am 694.33 0.0 0 637.40 270 82   70.6
Aug-09 03:30 am 694.35 0.0 0 637.40 270 83   70.3
Aug-09 02:30 am 694.37 0.0 0 637.38 270 83   69.8
Aug-09 01:30 am 694.40 0.0 0 637.40 270 83   70.1
Aug-09 12:30 am 694.42 0.0 0 637.40 270 82   70.7
Aug-08 11:30 pm 694.44 0.0 0 637.38 270 79   70.5
Aug-08 10:30 pm 694.47 0.0 0 637.38 270 80   70.5
Aug-08 09:30 pm 694.49 0.0 0 637.37 270 76   71.7
Aug-08 08:30 pm 694.52 0.0 0 637.40 267 74   71.7
Aug-08 07:30 pm 694.54 0.0 0 637.37 270 74   72.7
Aug-08 06:30 pm 694.56 0.0 0 637.41 270 70   71.8
Aug-08 05:30 pm 694.58 0.0 0 637.37 270 68   73.8
Aug-08 04:30 pm 694.58 0.0 0 637.37 267 68   84.6
Aug-08 03:30 pm 694.61 0.0 0 637.34 270 68   84.8
Aug-08 02:30 pm 694.64 0.0 0 637.38 270 68   85.1
Aug-08 01:30 pm 694.67 0.0 0 637.40 270 68   83.0
Aug-08 12:30 pm 694.68 0.0 0 637.37 267 69   83.7
Aug-08 11:30 am 694.71 0.0 0 637.40 267 70   83.2
Aug-08 10:30 am 694.73 0.0 0 637.36 267 70   80.6
Aug-08 09:30 am 694.76 0.0 0 637.35 267 72   74.5
Aug-08 08:30 am 694.78 0.0 0 637.40 267 72   72.5
Maximum 24 Hour Drawdown Rate Not Available - Missing Pool Data
Report Generated August 09, 2026 09:09 am