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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 May 20, 2025 07:45 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  0.50 0.00 0.60          
Date Time (EDT) Pool
(ft)		 Storage
(%)		 Storage
(ac-ft)		 Goodwin
(ft)		 Flow
(cfs)		 Inflow
(cfs)		 Precip
(in)		 Air Temp
(F)
May-20 06:00 pm             6.76  
May-20 05:00 pm         290 134 6.76  
May-20 04:00 pm         287 136 6.76  
May-20 03:00 pm         287 136 6.76  
May-20 02:00 pm         290 138 6.76  
May-20 01:00 pm         290 141 6.76  
May-20 12:00 pm         290 143 6.76  
May-20 11:00 am         290 136 6.76  
May-20 10:00 am         290 136 6.76  
May-20 09:00 am         287 136 6.76  
May-20 08:00 am 713.65 8.8 4,347 639.20 290 138 6.76  
May-20 07:00 am         290 138 6.76  
May-20 06:00 am         290 141 6.76  
May-20 05:00 am         290 141 6.76  
May-20 04:00 am         290 143 6.76  
May-20 03:00 am         290 141 6.76  
May-20 02:00 am         287 141 6.76  
May-20 01:00 am         290 143 6.76  
May-20 12:00 am 713.73 9.0 4,409 639.18 290 141 6.76 46.6
May-19 11:00 pm 713.75 9.0 4,425 639.19 290 143 6.76 47.2
May-19 10:00 pm 713.76 9.0 4,433 639.18 287 145 6.76 47.8
May-19 09:00 pm 713.77 9.0 4,441 639.18 287 145 6.76 48.7
May-19 08:00 pm 713.79 9.1 4,456 639.16 283 145 6.76 49.7
May-19 07:00 pm 713.81 9.1 4,472 639.15 290 145 6.76 51.3
May-19 06:00 pm 713.82 9.1 4,480 639.16 290 147 6.76 53.5
Maximum 24 Hour Drawdown Rate Not Available - Missing Pool Data
Report Generated May 20, 2025 10:09 pm