Data is updated every year about October/November time period



North Hartland Dam, Ottauquechee River
Peak Pool Levels
by Water Year
(1962 - Present)
Drainage Area:  220 sq. miles
Normal Pool:  35 ft.
Gate Invert Elev.:  390 ft. NGVD
1" Runoff =   11,733 ac-ft
Storage at Spillway Crest:   5.9 in. / 68,750 ac-ft



Date
Annual Peak
Pool Level (ft)
Storage Utilized
Inches Acre-Feet Percent
09 Apr 1962 67.0 0.8 9,860 14
07 Dec 1962 26.0 0.0 0 0
08 Mar 1964 60.8 0.6 7,483 11
27 Dec 1964 27.5 0.0 0 0
20 Nov 1965 31.0 0.0 0 0
05 Apr 1967 70.8 1.0 11,344 16
25 Mar 1968 64.3 0.8 8,831 12
24 Apr 1969 129.0 3.7 43,175 63
     
27 Apr 1970 57.0 0.5 6,185 9
05 May 1971 40.0 0.1 1,050 1
06 May 1972 78.0 1.2 14,440 20
02 Jul 1973 113.8 2.8 33,144 47
22 Dec 1973 51.3 0.4 4,304 6
08 Aug 1975 39.5 0.1 945 1
03 Apr 1976 84.1 1.5 17,227 24
16 Mar 1977 90.5 1.7 20,260 28
18 Oct 1977 48.7 0.3 3,511 5
11 Mar 1979 84.1 1.5 17,227 24
     
11 Apr 1980 63.5 0.7 8,522 12
25 Feb 1981 77.6 1.2 14,268 20
19 Apr 1982 59.0 0.6 6,845 10
26 Apr 1983 69.4 0.9 10,772 15
04 Jun 1984 118.9 3.1 36,357 51
30 Dec 1984 52.9 0.4 4,832 7
20 Mar 1986 60.7 0.6 7,445 10
08 Apr 1987 135.8 4.1 48,602 68
30 Apr 1988 62.9 0.7 8,292 12
07 Apr 1989 58.9 0.6 6,812 10
     
19 Mar 1990 67.1 0.8 9,898 14
22 Apr 1991 50.3 0.3 3,974 6
12 Mar 1992 63.9 0.7 8,677 12
19 Apr 1993 97.7 2.0 23,990 34
17 Apr 1994 78.8 1.3 14,784 21
17 Jan 1995 51.0 0.4 4,205 6
22 Jan 1996 78.4 1.2 14,599 21
22 Oct 1996 56.1 0.5 6,099 9
04 Apr 1998 105.9 2.4 28,452 40
18 Sep 1999 50.2 0.3 3,954 6
     
30 Mar 2000 68.7 0.9 10,502 15
26 Apr 2001 112.5 2.8 32,306 45
16 Apr 2002 69.4 1.0 11,000 16
31 Mar 2003 72.7 1.0 12,152 17
30 Oct 2003 58.0 0.5 6,800 9
04 Apr 2005 96.0 1.9 23,000 33
16 May 2006 69.5 0.9 11,000 16
19 Apr 2007 51.2 0.4 4,217 6
14 Apr 2008 92.6 1.8 21,352 31
04 Apr 2009 47.6 0.3 3,209 5
     
24 Mar 2010 73.3 1.1 12,419 18
30 Aug 2011 126.2 3.5 41,270 60
15 Oct 2011 45.1 0.2 2,514 4
20 Apr 2013 43.3 0.2 1,980 3
17 Apr 2014 84.3 1.5 17,326 25
15 Apr 2015 45.8 0.2 2,685 4
26 Feb 2016 44.9 0.2 2,455 4
13 Apr 2017 75.2 1.1 13,223 19
13 Jan 2018 47.4 0.3 3,162 5
17 Apr 2019 94.9 1.9 22,548 33
     
15 Dec 2019 46.3 0.2 2,845 4
26 Dec 2020 76.9 1.2 13,954 20