Hop Brook Dam, Hop Brook
Peak Pool Levels
by Water Year
(1969 - Present)
Drainage Area:  16 sq. miles
Normal Pool:  18.5 ft.
Gate Invert Elev.:  292 ft. NGVD
1" Runoff =   853 ac-ft
Storage at Spillway Crest:   7.8 in. / 6,850 ac-ft

Date	Annual Peak Pool Level (ft)	Storage Utilized
		Inches	Acre-Feet	Percent
25 Apr 1969	37.8	1.0	916	13
04 Apr 1970	40.6	1.4	1,189	17
29 Aug 1971	33.5	0.7	593	9
04 Mar 1972	38.0	1.1	933	14
30 Jun 1973	47.0	2.2	1,962	29
22 Dec 1973	45.8	2.1	1,806	26
28 Sep 1975	44.1	1.8	1,585	23
29 Jan 1976	47.2	2.3	1,988	29
25 Feb 1977	36.5	0.9	806	12
27 Jan 1978	40.3	1.3	1,157	17
26 Jan 1979	50.7	2.8	2,488	36
23 Mar 1980	45.9	2.1	1,819	27
25 Feb 1981	38.2	1.1	952	14
07 Jun 1982	57.7	4.1	3,629	53
22 Mar 1983	47.3	2.3	2,001	29
03 Jun 1984	55.4	3.7	3,227	47
28 Sep 1985	25.6	0.2	214	3
15 Mar 1986	41.4	1.5	1,275	19
06 Apr 1987	50.5	2.8	2,458	36
25 Jul 1988	21.4	0.1	85	1
21 Nov 1988	30.8	0.5	433	6
22 Oct 1989	46.9	2.2	1,949	28
21 Aug 1991	31.4	0.5	462	7
06 Jun 1992	32.4	0.6	518	8
29 Mar 1993	33.0	0.6	559	8
18 Aug 1994	29.6	0.4	375	5
09 Mar 1995	23.7	0.2	150	2
20 Jan 1996	38.8	1.2	1,012	15
21 Oct 1996	44.5	1.9	1,632	24
10 Mar 1998	31.3	0.5	457	7
17 Sep 1999	42.7	1.6	1,416	21
16 Jul 2000	23.5	0.2	143	2
18 Jun 2001	33.8	0.7	610	9
14 May 2002	22.5	0.1	116	2
01 Jun 2003	25.2	0.2	199	3
14 Apr 2004	30.9	0.5	438	6
03 Apr 2005	31.3	0.5	460	7
24 Apr 2006	44.3	1.8	1,625	23
17 Apr 2007	47.8	2.4	2,065	31
14 Feb 2008	35.9	0.9	757	11
12 Dec 2008	36.9	1.0	836	12
31 Mar 2010	42.6	1.6	1,399	20
08 Mar 2011	57.4	4.1	3,570	53
08 Dec 2011	32.4	0.6	516	7
14 Jun 2013	34.6	0.8	662	10
01 May 2014	36.5	0.9	805	12
10 Dec 2014	30.0	0.4	386	6
29 Oct 2015	26.5	0.3	243	3
07 Apr 2017	24.9	0.2	187	2
13 Jan 2018	35.0	0.8	693	10
22 Dec 2018	41.5	1.5	1,286	19
15 Dec 2019	30.5	0.5	408	6
03 Sep 2021	46.9	2.2	1,941	28