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Thomaston Dam, Naugatuck River
Thomaston Dam, Naugatuck River
 Drainage Area: 97 sq. miles 
 Channel Capacity: 3,500 cfs 
 Storage at Spillway Crest: 8.1 in / 42,000 ac-ft  
 Normal Pool: 0 Feet 
 Gate Settings for April 10, 2026 07:16 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  3.0 3.0            
Date Time
(Eastern)		 Pool
(ft)		 Storage
(%)		 Storage
(ac-ft)		 Tailwater
(ft)		 Flow
(cfs)		 Inflow
(cfs)
Apr-13 03:30 am 7.92 0.0 26 2.29 133 131
Apr-13 02:30 am 8.82 0.0 35 2.29 133 146
Apr-13 01:30 am 7.71 0.0 25 2.30 136 129
Apr-13 12:30 am 8.76 0.0 35 2.30 136 149
Apr-12 11:30 pm 7.49 0.0 24 2.32 142 112
Apr-12 10:30 pm 8.50 0.0 32 2.33 145 149
Apr-12 09:30 pm 8.29 0.0 30 2.31 139 122
Apr-12 08:30 pm 8.41 0.0 31 2.29 133 146
Apr-12 07:30 pm 8.24 0.0 29 2.29 133 123
Apr-12 06:30 pm 8.16 0.0 29 2.29 133 143
Apr-12 05:30 pm 8.90 0.0 36 2.29 133 142
Apr-12 04:30 pm 7.73 0.0 25 2.29 133 136
Apr-12 03:30 pm 8.85 0.0 36 2.29 133 145
Apr-12 02:30 pm 7.64 0.0 25 2.29 133 112
Apr-12 01:30 pm 8.74 0.0 34 2.29 133 146
Apr-12 12:30 pm 7.49 0.0 24 2.29 133 112
Apr-12 11:30 am 8.47 0.0 32 2.29 133 143
Apr-12 10:30 am 7.53 0.0 24 2.30 136 125
Apr-12 09:30 am 8.30 0.0 30 2.30 136 137
Apr-12 08:30 am 8.88 0.0 36 2.30 136 137
Apr-12 07:30 am 8.20 0.0 29 2.30 136 137
Apr-12 06:30 am 8.80 0.0 35 2.30 136 146
Apr-12 05:30 am 8.09 0.0 28 2.30 136 136
Apr-12 04:30 am 8.24 0.0 29 2.31 139 125
Apr-12 03:30 am 8.28 0.0 30 2.31 139 148
Maximum 24 Hour Drawdown Rate (10 feet/day): 13 cfs + Inflow (131 cfs) = 144 cfs
Report Generated April 13, 2026 04:00 am