Data is updated every year about October/November time period



Everett Dam, Piscataquog River
Peak Project Releases
by Water Year
(1963 - Present)
Drainage Area:  64 sq. miles
Normal Pool:  340.5 ft. NGVD
Gate Invert Elev.:  325 ft. NGVD
1" Runoff =   3,413 ac-ft
Storage at Spillway Crest:   6.8 in. / 91,500 ac-ft


Date Annual Peak
Release (cfs)
05 Apr 1963 755
15 Apr 1964 525
17 Apr 1965 283
26 Mar 1966 493
04 Apr 1967 657
01 Apr 1968 940
01 May 1969 1,530
  
11 Apr 1970 750 1
15 Apr 1971 875
19 Apr 1972 935
21 Mar 1973 1,325 1
26 Dec 1973 546
07 Apr 1975 960
22 Oct 1975 850 1
17 Mar 1977 1,510
19 Oct 1977 733
13 Mar 1979 1,490
  
24 Mar 1980 1,080
02 Mar 1981 1,020
09 Jun 1982 900 1
25 Mar 1983 1,520
12 Jun 1984 1,500
24 Jan 1985 583
22 Mar 1986 987
23 Apr 1987 1,650
30 Mar 1988 615
12 Apr 1989 1,080
  
23 Mar 1990 1,009
23 Apr 1991 818
13 Mar 1992 662
16 Apr 1993 1,516
19 Apr 1994 1,201
28 Dec 1994 1,171
22 Apr 1996 1,505
28 Oct 1996 1,502
20 Jun 1998 1,488
18 Sep 1999 1,009
  
25 Apr 2000 922
15 Apr 2001 765
15 May 2002 561
07 Apr 2003 1,100
16 Apr 2004 1,043
06 Apr 2005 1,330
20 Oct 2005 1,540
28 Apr 2007 1,560
15 Apr 2008 960
08 Apr 2009 708
  
27 Mar 2010 1,635
09 Mar 2011 1,120
12 Dec 2011 857
31 Oct 2012 582
03 Apr 2014 1,000
11 Dec 2014 615
26 Feb 2016 624
11 Apr 2017 996
02 Nov 2017 1,055
08 Nov 2018 1,203
  
16 Dec 2019 718
28 Dec 2020 819

Notes:
1.    Estimated Release