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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 July 12, 2026 02:00 pm Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  0.20 0.15 0.15          
Date Time (EDT) Pool
(ft)		 Storage
(%)		 Storage
(ac-ft)		 Goodwin
(ft)		 Flow
(cfs)		 Inflow
(cfs)		 Precip
(in)		 Air Temp
(F)
Jul-13 01:30 am 697.50 0.0 0 637.38 121 36   64.3
Jul-13 12:30 am 697.51 0.0 0 637.38 121 36   65.9
Jul-12 11:30 pm 697.51 0.0 0 637.38 124 36   68.0
Jul-12 10:30 pm 697.52 0.0 0 637.38 121 36   68.4
Jul-12 09:30 pm 697.53 0.0 0 637.41 124 37   72.7
Jul-12 08:30 pm 697.54 0.0 0 637.39 121 37   75.9
Jul-12 07:30 pm 697.55 0.0 0 637.43 124 37   81.9
Jul-12 06:30 pm 697.55 0.0 0 637.40 124 37   83.5
Jul-12 05:30 pm 697.56 0.0 0 637.41 121 38   82.6
Jul-12 04:30 pm 697.56 0.0 0 637.42 119 38   82.3
Jul-12 03:30 pm 697.57 0.0 0 637.45 124 38   82.8
Jul-12 02:30 pm 697.59 0.0 0 637.45 121 38   84.8
Jul-12 01:30 pm 697.59 0.0 0 637.45 121 38   80.6
Jul-12 12:30 pm 697.60 0.0 0 637.45 121 38   79.5
Jul-12 11:30 am 697.61 0.0 0 637.47 124 39   78.6
Jul-12 10:30 am 697.63 0.0 0 637.47 124 39   76.5
Jul-12 09:30 am 697.63 0.0 0 637.48 124 39   73.3
Jul-12 08:30 am 697.65 0.0 0 637.48 124 40   68.6
Jul-12 07:30 am 697.65 0.0 0 637.46 124 40   65.4
Jul-12 06:30 am 697.67 0.0 0 637.46 121 40   62.9
Jul-12 05:30 am 697.66 0.0 0 637.50 124 40   63.6
Jul-12 04:30 am 697.68 0.0 0 637.48 124 41   63.2
Jul-12 03:30 am 697.68 0.0 0 637.48 124 41   63.5
Jul-12 02:30 am 697.70 0.0 0 637.50 124 42   63.8
Jul-12 01:30 am 697.70 0.0 0 637.50 124 42   65.6
Maximum 24 Hour Drawdown Rate Not Available - Missing Pool Data
Report Generated July 13, 2026 06:15 am