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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 July 10, 2026 07:35 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)
Jul-11 04:15 am             28.22
Jul-11 03:15 am 2.49 0.0 5 1.89 48 49 28.22
Jul-11 02:15 am 2.51 0.0 5 1.90 49 50 28.22
Jul-11 01:15 am 2.53 0.0 5 1.90 49 50 28.22
Jul-11 12:15 am 2.50 0.0 5 1.90 49 51 28.22
Jul-10 11:15 pm 2.58 0.0 5 1.91 51 51 28.22
Jul-10 10:15 pm 2.57 0.0 5 1.91 51 52 28.22
Jul-10 09:15 pm 2.57 0.0 5 1.91 51 52 28.22
Jul-10 08:15 pm 2.57 0.0 5 1.92 52 53 28.22
Jul-10 07:15 pm 2.57 0.0 5 1.92 52 53 28.22
Jul-10 06:15 pm 2.57 0.0 5 1.92 52   28.22
Jul-10 05:15 pm 2.56 0.0 5 1.92 52 54 28.22
Jul-10 04:15 pm 2.58 0.0 5 1.93 54 55 28.22
Jul-10 03:15 pm 2.59 0.0 5 1.93 54 56 28.22
Jul-10 02:15 pm 2.64 0.0 5 1.94 55 57 28.22
Jul-10 01:15 pm 2.61 0.0 5 1.94 55 57 28.22
Jul-10 12:15 pm       1.94 55    
Jul-10 11:15 am 2.64 0.0 5 1.95 57 59 28.22
Jul-10 10:15 am 2.68 0.0 5 1.95 57 60 28.22
Jul-10 09:15 am 2.66 0.0 5 1.96 59 60 28.22
Jul-10 08:15 am 2.70 0.0 5 1.97 60 61 28.22
Jul-10 07:15 am 2.69 0.0 5 1.97 60 62 28.22
Jul-10 06:15 am 2.73 0.0 5 1.97 60 63 28.22
Jul-10 05:15 am 2.77 0.0 5 1.98 62 64 28.22
Jul-10 04:15 am 2.77 0.0 5 1.98 62 65 28.22
Maximum 24 Hour Drawdown Rate (10 feet/day): 2 cfs + Inflow (49 cfs) = 52 cfs
Report Generated July 11, 2026 08:20 am