Data is updated every year about October/November time period



Townshend Dam, West River
Peak Pool Levels
by Water Year
(1962 - Present)
Drainage Area (gross):  278 sq. miles
Drainage Area (net):  106 sq. miles
Normal Pool:  21 ft.
Gate Invert Elev.:  457 ft. NGVD
1" Runoff =   5,653 ac-ft
Storage at Spillway Crest:   5.8 in. / 32,900 ac-ft



Date
Annual Peak
Pool Level (ft)
Storage Utilized
Inches Acre-Feet Percent
02 Apr 1962 53.4 1.4 7,980 24
28 Mar 1963 37.1 0.5 2,727 8
16 Apr 1964 60.5 1.9 10,800 33
14 Apr 1965 35.0 0.4 2,100 6
16 Feb 1966 40.0 0.6 3,500 11
04 Apr 1967 57.1 1.6 9,297 28
25 Mar 1968 56.1 1.6 8,912 27
23 Apr 1969 80.0 3.8 21,300 65
     
13 Dec 1969 37.0 0.5 2,700 8
13 Apr 1971 37.5 0.5 2,838 9
06 May 1972 52.2 1.3 7,510 23
03 Jul 1973 66.1 2.4 13,322 41
28 Dec 1973 47.8 1.0 5,910 18
21 Apr 1975 32.0 0.3 1,525 5
03 Apr 1976 54.2 1.5 8,240 25
15 Mar 1977 67.4 2.5 13,960 43
10 Jan 1978 38.5 0.6 3,112 9
09 Mar 1979 56.7 1.6 9,138 28
     
10 Apr 1980 41.7 0.7 3,943 12
26 Feb 1981 82.0 4.0 22,625 69
21 Apr 1982 64.8 2.2 12,700 39
22 Mar 1983 51.6 1.3 7,255 22
04 Jun 1984 81.8 4.0 22,500 69
31 Dec 1984 43.9 0.8 4,570 14
20 Mar 1986 56.9 1.6 9,213 28
07 Apr 1987 98.6 SPILLWAY DISCHARGE
18 Nov 1987 47.8 1.0 5,910 18
08 Apr 1989 48.5 1.1 6,138 19
     
19 Mar 1990 54.7 1.5 8,402 26
22 Apr 1991 45.3 0.9 5,012 15
12 Mar 1992 45.9 0.9 5,238 16
18 Apr 1993 75.1 3.2 18,165 55
17 Apr 1994 66.0 2.3 13,275 40
06 Dec 1994 37.8 0.5 2,920 9
28 Jan 1996 68.0 2.5 14,270 44
10 Nov 1996 55.5 1.5 8,676 26
04 Apr 1998 77.2 3.5 19,514 59
18 Sep 1999 47.6 1.0 5,855 18
     
05 Apr 2000 53.8 1.4 8,097 25
26 Apr 2001 75.8 3.3 18,626 57
15 May 2002 41.0 0.7 3,750 11
31 Mar 2003 55.5 1.5 8,672 26
03 Apr 2004 54.3 1.5 8,400 26
04 Apr 2005 62.4 2.0 11,600 34
16 May 2006 58.0 1.7 9,700 30
19 Apr 2007 69.0 2.6 14,800 45
14 Apr 2008 54.4 1.5 8,305 25
04 Apr 2009 37.6 0.5 2,857 9
     
01 Apr 2010 65.5 2.3 13,038 40
31 Aug 2011 87.0 4.6 26,100 79
08 Dec 2011 33.0 0.3 1,752 5
31 Oct 2012 40.0 0.6 3,505 11
17 Apr 2014 49.5 1.1 6,468 19
26 Dec 2014 38.3 0.6 3,060 9
26 Feb 2016 37.9 0.5 2,937 9
08 May 2017 44.6 0.9 4,789 15
14 Jan 2018 53.5 1.4 8,084 25
23 Dec 2018 55.9 1.5 8,793 27
     
15 Apr 2020 42.8 0.7 4,237 13
26 Dec 2020 62.8 2.1 11,720 36

Notes:
1.    Spillway Discharge