Data is updated every year about October/November time period



Westville Dam, Quinebaug River
Peak Project Releases
by Water Year
(1962 - Present)
Drainage Area (gross):  99 sq. miles
Drainage Area (net):  32 sq. miles
Normal Pool:  10.5 ft.
Gate Invert Elev.:  515 ft. NGVD
1" Runoff =   1,707 ac-ft
Storage at Spillway Crest:   6.4 in. / 11,100 ac-ft


Date Annual Peak
Release (cfs)
04 Apr 1962 355
30 Mar 1963 595
28 Jan 1964 470
26 Feb 1965 347
27 Mar 1966 484
05 Apr 1967 700 1
23 Mar 1968 1,050
28 Mar 1969 885
  
10 Feb 1970 1,060
08 Apr 1971 463
29 Mar 1972 1,160
06 Feb 1973 1,270
29 Dec 1973 1,270
29 Sep 1975 1,290
01 Feb 1976 1,410
17 Mar 1977 1,540
31 Jan 1978 1,140
31 Jan 1979 1,710
  
23 Mar 1980 1,850
01 Mar 1981 1,520
08 Jun 1982 1,590
22 Apr 1983 1,660
12 Jun 1984 1,520
29 Sep 1985 346
29 Jan 1986 1,230
10 Apr 1987 1,620
29 Apr 1988 562
08 May 1989 1,200
  
24 Oct 1989 1,680
23 Aug 1991 1,250
25 Nov 1991 848
05 Apr 1993 1,527
30 Mar 1994 1,086
09 Jan 1995 694
26 Jan 1996 1,330
23 Dec 1996 1,006
12 Mar 1998 1,065
04 Mar 1999 1,043
  
25 Apr 2000 1,230
10 Apr 2001 1,380
15 May 2002 722
22 Mar 2003 1,371
18 Dec 2003 1,439
04 Apr 2005 1,519
16 Oct 2005 1,700
19 Apr 2007 1,670
11 Mar 2008 1,530
16 Dec 2008 997
  
02 Apr 2010 959
01 Sep 2011 1,370
10 Dec 2011 830
12 Jun 2013 1,240
04 Apr 2014 1,020
06 Apr 2015 917
25 Feb 2016 715
07 Apr 2017 1,190
18 Apr 2018 1,224
25 Jan 2019 1,215
  
16 Dec 2019 1,166
13 Jul 2021 1,401

Notes:
1.    Estimated Release