Data is updated every year about October/November time period



Thomaston Dam, Naugatuck River
Peak Project Releases
by Water Year
(1961 - Present)
Drainage Area:  97 sq. miles
Normal Pool:  0 ft.
Gate Invert Elev.:  380 ft. NGVD
1" Runoff =   5,173 ac-ft
Storage at Spillway Crest:   8.1 in. / 42,000 ac-ft


Date Annual Peak
Release (cfs)
28 Feb 1961 3,090
03 Apr 1962 1,780
29 Mar 1963 1,900
27 Jan 1964 1,680
09 Feb 1965 1,430
03 Mar 1966 764
20 Apr 1967 1,230
22 Mar 1968 2,060
08 Aug 1969 1,990
  
08 Apr 1970 1,950
16 Sep 1971 1,370
24 Mar 1972 1,900
08 Dec 1972 2,410
23 Dec 1973 3,200
29 Sep 1975 3,810
20 Oct 1975 2,620
14 Mar 1977 3,600
10 Jan 1978 3,110
09 Mar 1979 3,730
  
26 Mar 1980 3,620
27 Feb 1981 3,180
08 Jun 1982 3,130
24 Mar 1983 2,740
09 Apr 1984 2,970
30 Sep 1985 1,790
09 Jun 1986 2,410
08 Apr 1987 3,820
03 Feb 1988 836
09 May 1989 2,740
  
25 Oct 1989 3,170
25 Oct 1990 2,010
07 Jun 1992 1,610
31 Mar 1993 2,970
06 Dec 1993 1,700
10 Mar 1995 1,165
29 Jan 1996 2,421
24 Oct 1996 2,526
12 May 1998 2,196
25 Jan 1999 2,910
  
07 Jun 2000 2,344
18 Jun 2001 1,830
07 Jun 2002 2,169
29 Sep 2003 2,261
20 Nov 2003 1,740
29 Mar 2005 2,290
18 Oct 2005 2,320
20 Apr 2007 3,210
10 Mar 2008 2,220
12 Dec 2008 2,040
  
26 Feb 2010 2,848
30 Aug 2011 3,810
08 Dec 2011 2,370
08 Jun 2013 2,860
02 May 2014 2,220
10 Dec 2014 1,940
26 Feb 2016 2,710
04 Apr 2017 1,210
30 Oct 2017 1,671
22 Dec 2018 2,947
  
15 Dec 2019 2,318
04 Sep 2021 2,176