Data is updated every year about October/November time period



Birch Hill Dam, Millers River
Peak Project Releases
by Water Year
(1941 - Present)
Drainage Area:  175 sq. miles
Normal Pool:  0 ft.
Gate Invert Elev.:  815 ft. NGVD
1" Runoff =   9,333 ac-ft
Storage at Spillway Crest:   5.3 in. / 49,900 ac-ft


Date Annual Peak
Release (cfs)
31 Dec 1940 842
10 Mar 1942 2,630
23 May 1943 1,240
26 Jun 1944 2,830
22 Mar 1945 1,940
10 Mar 1946 2,120
08 Apr 1947 1,320
22 Mar 1948 2,540
08 Jan 1949 1,640
  
08 Apr 1950 1,310
09 Feb 1951 1,840
06 Apr 1952 1,450
03 Apr 1953 1,790
20 Apr 1954 1,370
29 Apr 1955 1,060
04 May 1956 2,050
25 Jan 1957 1,410
11 Apr 1958 1,770
06 Apr 1959 2,140
  
07 Apr 1960 2,280
18 Apr 1961 1,360
03 Apr 1962 2,150
03 Apr 1963 1,710
17 Apr 1964 1,200
18 Apr 1965 748
27 Mar 1966 997
28 May 1967 1,360
26 Mar 1968 2,200
27 Apr 1969 2,280
  
07 Apr 1970 1,570
15 Apr 1971 1,430
22 Apr 1972 2,020
10 Jan 1973 1,980
28 Dec 1973 2,130
30 Sep 1975 1,860
03 Feb 1976 2,460
16 Mar 1977 2,370
13 Jan 1978 1,400 1
16 Mar 1979 2,280
  
27 Mar 1980 1,910
01 Mar 1981 1,780
05 Apr 1982 2,090
22 Mar 1983 2,070
07 Jun 1984 2,180
06 Apr 1985 1,260
21 Mar 1986 1,920
10 Apr 1987 2,490
02 Apr 1988 1,360
09 Apr 1989 1,590
  
24 Mar 1990 2,080
21 Aug 1991 2,160
25 Nov 1991 1,700
15 Apr 1993 2,390
19 Apr 1994 2,070
27 Dec 1994 1,651
19 Apr 1996 2,682
22 Apr 1997 2,030
12 Mar 1998 2,150
20 Sep 1999 1,520
  
11 Apr 2000 1,828
26 Apr 2001 2,152
05 Apr 2002 1,463
01 Apr 2003 1,990
06 Apr 2004 1,990
05 Apr 2005 2,270
19 Oct 2005 2,400
18 Apr 2007 2,440
21 Feb 2008 2,160
13 Dec 2008 1,860
  
17 Mar 2010 2,420
21 Mar 2011 2,330
10 Dec 2011 1,890
14 Jun 2013 1,848
02 Apr 2014 2,080
16 Apr 2015 1,655
26 Feb 2016 1,295
12 Apr 2017 2,165
31 Oct 2017 2,296
28 Apr 2019 2,080
  
16 Dec 2019 2,050
28 Dec 2020 1,908

Notes:
1.    Estimated Release