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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 September 13, 2026 07:18 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)		 Precip
(in)
Sep-13 04:15 pm 3.17 0.0 6       35.49
Sep-13 03:15 pm 2.11 0.0 4 1.83 40   35.49
Sep-13 02:15 pm 1.37 0.0 3 1.80 36 36 35.49
Sep-13 01:15 pm 1.22 0.0 2 1.81 37 32 35.47
Sep-13 12:15 pm 1.15 0.0 2 1.80 36 29 35.43
Sep-13 11:15 am 1.11 0.0 2 1.81 37 25 35.37
Sep-13 10:15 am 1.00 0.0 2 1.79 35 21 35.25
Sep-13 09:15 am       1.71 26   35.03
Sep-13 08:15 am 0.85 0.0 2 1.65 20 17 34.84
Sep-13 07:15 am 0.86 0.0 2 1.61 17 17 34.71
Sep-13 06:15 am 0.85 0.0 2 1.61 17 17 34.69
Sep-13 05:15 am 0.85 0.0 2 1.61 17 16 34.69
Sep-13 04:15 am 0.88 0.0 2 1.61 17 16 34.69
Sep-13 03:15 am 0.87 0.0 2 1.61 17 16 34.69
Sep-13 02:15 am 0.87 0.0 2 1.61 17 16 34.69
Sep-13 01:15 am 0.87 0.0 2 1.60 16 16 34.69
Sep-13 12:15 am 0.85 0.0 2 1.60 16 16 34.69
Sep-12 11:15 pm 0.85 0.0 2 1.60 16 16 34.69
Sep-12 10:15 pm 0.87 0.0 2 1.59 15 16 34.69
Sep-12 09:15 pm 0.84 0.0 2 1.59 15 16 34.69
Sep-12 08:15 pm 0.80 0.0 2 1.60 16 16 34.69
Sep-12 07:15 pm 0.78 0.0 2 1.60 16 16 34.69
Sep-12 06:15 pm 0.81 0.0 2 1.60 16 17 34.69
Sep-12 05:15 pm 0.81 0.0 2 1.60 16 17 34.69
Sep-12 04:15 pm 0.80 0.0 2 1.61 17 17 34.69
Maximum 24 Hour Drawdown Rate (10 feet/day): 3 cfs + Inflow (36 cfs) = 39 cfs
Report Generated September 13, 2026 08:32 pm