Black Rock Dam, Branch Brook
Peak Project Releases
by Water Year
(1971 - Present)
Drainage Area:  20 sq. miles
Normal Pool:  27 ft.
Gate Invert Elev.:  410 ft. NGVD
1" Runoff =   1,067 ac-ft
Storage at Spillway Crest:   7.8 in. / 8,450 ac-ft

Date	Annual Peak Release (cfs)
14 Sep 1971	494
19 Mar 1972	411
07 Dec 1972	723 1
22 Dec 1973	555
28 Sep 1975	795 1
10 Aug 1976	590
27 Sep 1977	500 1
28 Jan 1978	705
26 Jan 1979	750
24 Mar 1980	740
22 Feb 1981	725
08 Jun 1982	805
22 Mar 1983	755
05 Jun 1984	683
29 Sep 1985	398
28 Jan 1986	538
07 Apr 1987	766
03 Feb 1988	139
12 May 1989	551
23 Oct 1989	540
24 Oct 1990	321
06 Jun 1992	208
30 Mar 1993	706
23 Aug 1994	599
09 Mar 1995	334
14 Nov 1995	620
23 Oct 1996	559
10 Mar 1998	456
17 Sep 1999	578
07 Jun 2000	285
30 Mar 2001	366
07 Jun 2002	288
03 Jun 2003	310
29 Oct 2003	531
29 Mar 2005	587
15 May 2006	645
20 Apr 2007	505
05 Mar 2008	472
31 Jul 2009	346
31 Mar 2010	641
31 Aug 2011	745
09 Dec 2011	454
15 Jun 2013	595
01 May 2014	591
04 Apr 2015	321
25 Feb 2016	307
08 Apr 2017	294
13 Sep 2018	402
22 Dec 2018	668
15 Dec 2019	663
03 Sep 2021	512

Notes:

1.    Estimated Release