Ball Mountain Dam, West River
Peak Pool Levels
by Water Year
(1962 - Present)
Drainage Area:  172 sq. miles
Normal Pool:  65 ft. (Summer), 35 ft. (Winter)
Gate Invert Elev.:  805.5 ft. NGVD
1" Runoff =   9,173 ac-ft
Storage at Spillway Crest:   5.9 in. / 54,450 ac-ft

Date	Annual Peak Pool Level (ft)	Storage Utilized
		Inches	Acre-Feet	Percent
10 Apr 1962	138.3	1.7	15,550	28
21 Apr 1963	116.7	1.1	9,668	18
16 Apr 1964	125.8	1.3	11,912	22
16 Apr 1965	87.0	0.5	4,414	8
24 Aug 1966	102.0	0.7	6,744	12
04 Apr 1967	120.2	1.1	10,509	19
25 Mar 1968	157.2	2.4	22,240	41
24 Apr 1969	198.0	4.8	44,220	81
27 Apr 1970	120.5	1.2	10,583	19
21 Apr 1971	98.0	0.7	6,068	11
08 May 1972	150.0	2.1	19,110	35
02 Jul 1973	177.8	3.5	31,772	58
22 Dec 1973	108.6	0.9	7,973	15
08 Aug 1975	96.0	0.6	5,736	11
11 Aug 1976	165.0	2.8	25,510	47
16 Mar 1977	151.8	2.2	20,144	37
10 Jan 1978	97.3	0.6	5,952	11
26 Mar 1979	142.4	1.8	16,852	31
11 Apr 1980	122.6	1.2	11,100	20
25 Feb 1981	169.2	3.0	27,484	50
21 Apr 1982	160.4	2.6	23,532	43
26 Apr 1983	123.3	1.2	11,272	21
03 Jun 1984	193.1	4.5	40,844	75
01 May 1985	104.4	0.8	7,157	13
21 Mar 1986	146.3	2.0	18,165	33
06 Apr 1987	213.9	SPILLWAY DISCHARGE
29 Apr 1988	126.7	1.3	12,163	22
07 Apr 1989	122.9	1.2	11,173	20
19 Mar 1990	124.1	1.2	11,395	21
22 Apr 1991	115.1	1.0	9,284	17
12 Mar 1992	101.4	0.7	6,641	12
02 Apr 1993	151.2	2.2	19,916	36
17 Apr 1994	156.9	2.4	22,120	41
17 Jan 1995	96.1	0.6	5,753	11
29 Jan 1996	145.0	1.9	17,710	32
07 Jan 1997	128.0	1.4	12,516	23
04 Apr 1998	174.4	3.3	29,972	55
18 Sep 1999	94.7	0.6	5,526	10
29 Mar 2000	115.9	1.0	9,486	17
26 Apr 2001	176.2	3.4	30,903	57
15 Apr 2002	95.4	0.6	5,570	10
31 Mar 2003	117.6	1.1	9,872	18
03 Apr 2004	126.1	1.3	12,160	22
04 Apr 2005	156.4	2.4	22,120	41
16 May 2006	116.5	1.0	9,500	17
18 Apr 2007	130.0	1.4	13,080	24
13 Apr 2008	126.9	1.3	12,218	22
26 Jun 2009	110.8	0.9	8,404	15
01 Apr 2010	147.5	2.0	18,588	34
30 Aug 2011	178.1	3.5	31,910	59
01 Oct 2011	74.4	0.3	2,900	5
30 Oct 2012	80.7	0.4	3,608	7
13 Jan 2014	99.9	0.7	6,387	12
26 Dec 2014	77.1	0.4	3,202	6
02 Oct 2015	75.6	0.3	3,030	5
13 Apr 2017	105.5	0.8	7,367	13
13 Jan 2018	94.2	0.6	5,450	10
16 Apr 2019	152.6	2.2	20,448	38
14 Apr 2020	89.9	0.5	4,824	9
26 Dec 2020	129.3	1.4	12,891	24

Notes:

1.    Spillway Discharge