Data is updated every year about October/November time period



Littleville Dam, M.B. Westfield River
Peak Pool Levels
by Water Year
(1966 - Present)
Drainage Area:  52 sq. miles
Normal Pool:  518 ft. NGVD
Gate Invert Elev.:  486.5 ft. NGVD
1" Runoff =   2,773 ac-ft
Storage at Spillway Crest:   8.3 in. / 23,000 ac-ft



Date
Annual Peak
Pool Level (ft)
Storage Utilized
Inches Acre-Feet Percent
1966        
05 Apr 1967 531.4 1.5 4,226 18
25 Mar 1968 534.0 1.8 5,110 22
24 Apr 1969 540.7 2.7 7,556 33
     
03 Apr 1970 529.0 1.2 3,432 15
03 Apr 1971 525.5 0.8 2,327 10
21 Apr 1972 536.3 2.1 5,938 26
19 Mar 1973 531.4 1.5 4,226 18
23 Dec 1973 538.1 2.4 6,587 29
30 Sep 1975 535.1 2.0 5,506 24
11 Aug 1976 529.6 1.3 3,623 16
30 Mar 1977 548.6 3.8 10,640 46
10 Jan 1978 532.1 1.6 4,464 19
08 Mar 1979 539.4 2.5 7,072 31
     
23 Mar 1980 551.8 4.3 11,965 52
25 Feb 1981 549.6 4.0 11,040 48
07 Jun 1982 544.6 3.2 9,054 39
22 Mar 1983 540.1 2.6 7,332 32
05 Jun 1984 568.9 7.1 19,667 86
29 Sep 1985 528.6 1.2 3,305 14
20 Mar 1986 533.8 1.8 5,042 22
07 Apr 1987 571.7 7.5 21,020 91
28 Mar 1988 533.7 1.8 5,008 22
12 May 1989 527.5 1.1 2,956 13
     
22 Oct 1989 541.6 2.8 7,891 34
25 Oct 1990 530.9 1.5 4,056 18
07 Jun 1992 528.7 1.2 3,337 15
03 Apr 1993 550.1 4.0 11,242 49
19 Apr 1994 530.7 1.4 3,988 17
26 Dec 1994 527.5 1.1 2,956 13
19 Apr 1996 540.7 2.7 7,548 33
21 Oct 1996 533.1 1.7 4,811 21
05 Apr 1998 531.5 1.5 4,270 19
23 Mar 1999 534.3 1.9 5,236 23
     
08 Jun 2000 531.6 1.5 4,291 19
11 Apr 2001 537.0 2.2 6,208 27
02 Apr 2002 526.8 1.0 2,731 12
31 Mar 2003 530.8 1.4 4,025 18
03 Apr 2004 537.6 2.3 6,413 28
05 Apr 2005 552.0 4.3 12,050 52
10 Oct 2005 542.3 3.2 8,150 35
19 Apr 2007 557.3 5.1 14,327 63
10 Mar 2008 538.9 2.5 6,885 30
13 Dec 2008 530.6 1.4 3,937 17
     
01 Apr 2010 538.6 2.5 6,775 30
09 Sep 2011 556.2 5.0 13,850 60
09 Dec 2011 529.5 1.3 3,579 15
14 Jun 2013 536.5 2.1 5,996 26
01 Apr 2014 530.1 1.4 3,794 16
10 Dec 2014 525.7 0.9 2,376 10
26 Feb 2016 531.1 1.5 4,110 18
07 Apr 2017 532.9 0.3 4,739 20
19 Apr 2018 532.1 1.6 4,454 19
04 Nov 2018 531.3 1.5 4,192 18
     
15 Dec 2019 526.4 0.9 2,605 11
19 Jul 2021 535.3 2.0 5,560 24