Thomaston Dam, Naugatuck River
Peak Pool Levels
by Water Year
(1961 - Present)
Drainage Area:  97 sq. miles
Normal Pool:  0 ft.
Gate Invert Elev.:  380 ft. NGVD
1" Runoff =   5,173 ac-ft
Storage at Spillway Crest:   8.1 in. / 42,000 ac-ft

Date	Annual Peak Pool Level (ft)	Storage Utilized
		Inches	Acre-Feet	Percent
27 Feb 1961	52.7	1.1	5,528	13
02 Apr 1962	41.2	0.6	2,963	7
27 Mar 1963	36.1	0.4	2,103	5
26 Jan 1964	40.0	0.5	2,739	7
09 Feb 1965	29.7	0.2	1,252	3
02 Mar 1966	23.0	0.1	593	1
19 Apr 1967	36.8	0.4	2,217	5
20 Mar 1968	58.9	1.4	7,393	18
25 Apr 1969	60.0	1.5	7,746	18
05 Apr 1970	59.0	1.4	7,425	18
15 May 1971	34.0	0.3	1,806	4
01 Jul 1972	46.6	0.8	4,042	10
04 Feb 1973	60.0	1.5	7,746	18
21 Dec 1973	68.9	2.2	11,199	27
28 Sep 1975	68.7	2.1	11,111	26
29 Jan 1976	65.0	1.9	9,596	23
14 Mar 1977	44.5	0.7	3,593	9
27 Jan 1978	55.2	1.2	6,236	15
08 Mar 1979	75.0	2.7	14,022	33
23 Mar 1980	69.9	2.2	11,642	28
24 Feb 1981	64.0	1.8	9,194	22
08 Jun 1982	75.4	2.7	14,215	34
22 Mar 1983	68.0	2.1	10,801	26
03 Jun 1984	87.2	4.0	20,821	50
28 Sep 1985	47.5	0.8	4,235	10
28 Jan 1986	56.4	1.3	6,591	16
06 Apr 1987	75.6	2.8	14,312	34
16 May 1988	19.7	0.1	357	1
08 May 1989	47.5	0.8	4,235	10
22 Oct 1989	70.7	2.3	11,996	29
25 Oct 1990	44.4	0.7	3,572	9
28 Mar 1992	40.4	0.5	2,814	7
30 Mar 1993	50.1	0.9	4,861	12
06 Dec 1993	36.6	0.4	2,185	5
25 Dec 1994	32.8	0.3	1,637	4
28 Jan 1996	59.9	1.5	7,714	18
21 Oct 1996	65.6	1.9	9,837	23
10 Mar 1998	47.4	0.8	4,214	10
18 Sep 1999	56.7	1.3	6,691	16
02 Oct 1999	34.8	0.4	1,916	5
01 Apr 2001	46.8	0.8	4,081	10
07 Jun 2002	36.8	0.4	2,217	5
29 Sep 2003	40.7	0.6	2,866	7
26 Dec 2003	41.8	0.6	2,900	7
04 Apr 2005	49.0	0.9	4,600	11
15 Oct 2005	72.6	2.5	13,000	31
17 Apr 2007	78.9	3.1	16,011	38
10 Mar 2008	58.7	1.4	7,317	17
12 Dec 2008	48.4	0.9	4,430	10
31 Mar 2010	60.2	1.5	7,818	19
29 Aug 2011	83.8	3.6	18,750	45
08 Dec 2011	38.7	0.5	2,518	6
14 Jun 2013	48.6	0.9	4,482	10
01 May 2014	42.9	0.6	3,281	7
10 Dec 2014	37.1	0.4	2,259	6
25 Feb 2016	42.4	0.6	3,175	7
07 Apr 2017	27.6	0.2	1,008	3
13 Jan 2018	43.3	0.6	3,349	8
22 Dec 2018	50.7	1.0	4,985	12
15 Dec 2019	40.7	0.6	2,850	7
03 Sep 2021	65.7	1.9	9,841	23
27 Oct 2021	38.6	0.5	2,503	6