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East Brimfield Dam, Quinebaug River

East Brimfield Dam, Quinebaug River
 Drainage Area: 67 sq. miles 
 Channel Capacity: 900 cfs 
 Storage at Spillway Crest: 8.3 in / 32,220 ac-ft  
 Normal Pool: 13 Feet 
 Gate Settings for July 10, 2026 07:20 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  2.0 2.0            
Date Time
(Eastern)
Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Tailwater
(ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Jul-10 10:30 am 13.70 0.7 2,586 3.44 119 113 31.54 79.0
Jul-10 09:30 am 13.70 0.7 2,586 3.44 119 106 31.54 77.4
Jul-10 08:30 am 13.71 0.7 2,590 3.45 120 114 31.54 75.6
Jul-10 07:30 am 13.71 0.7 2,590 3.46 121 115 31.54 73.7
Jul-10 06:30 am 13.71 0.7 2,590 3.46 121 116 31.54 72.0
Jul-10 05:30 am 13.71 0.7 2,590 3.46 121 117 31.54 71.4
Jul-10 04:30 am 13.71 0.7 2,590 3.47 123 117 31.54 72.2
Jul-10 03:30 am 13.72 0.7 2,594 3.47 123 110 31.54 72.2
Jul-10 02:30 am 13.72 0.7 2,594 3.48 124 111 31.54 72.8
Jul-10 01:30 am 13.72 0.7 2,594 3.49 125 112 31.54 72.7
Jul-10 12:30 am 13.72 0.7 2,594 3.50 127 112 31.54 73.1
Jul-09 11:30 pm 13.72 0.7 2,594 3.50 127 112 31.54 72.7
Jul-09 10:30 pm 13.72 0.7 2,594 3.50 127 113 31.54 73.8
Jul-09 09:30 pm 13.74 0.7 2,601 3.50 127 129 31.54 74.6
Jul-09 08:30 pm 13.74 0.7 2,601 3.51 128 129 31.54 77.1
Jul-09 07:30 pm 13.74 0.7 2,601 3.51 128 130 31.54 80.4
Jul-09 06:30 pm 13.74 0.7 2,601 3.51 128 130 31.54 83.4
Jul-09 05:30 pm 13.74 0.7 2,601 3.52 129 130 31.54 84.6
Jul-09 04:30 pm 13.74 0.7 2,601 3.52 129 131 31.54 85.6
Jul-09 03:30 pm 13.74 0.7 2,601 3.53 131 131 31.54 84.5
Jul-09 02:30 pm 13.74 0.7 2,601 3.53 131 131 31.54 86.8
Jul-09 01:30 pm 13.74 0.7 2,601 3.53 131 130 31.54 86.0
Jul-09 12:30 pm 13.74 0.7 2,601 3.53 131 130 31.54 86.2
Jul-09 11:30 am 13.74 0.7 2,601 3.53 131 130 31.54 84.5
Jul-09 10:30 am 13.74 0.7 2,601 3.53 131 129 31.54 81.8
Maximum 24 Hour Drawdown Rate (3 feet/day): 492 cfs + Inflow (113 cfs) = 605 cfs
Report Generated July 10, 2026 10:45 am