Kirwin Reservoir water level history

Daily records since 1990 · Level today: 1,703.96 ft

Highest on record

1,737.07 ft

Jun 2, 1995

Lowest on record

1,695.47 ft

Oct 30, 1991

Today

1,703.96 ft

Oct 21, 2026

Years of data

since 1990

In short

Across 36 complete years, 1991 had the lowest average level (1,696.44 ft) and 2019 the highest (1,731.37 ft).

On average the lake is lowest in September (1,719.07 ft) and highest in June (1,721.96 ft).

Kirwin Reservoir level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years) Full pool

Lowest years

Years ranked by their lowest daily level.

19911,695.47 ft on Oct 30
19921,695.67 ft on Feb 11
19901,695.84 ft on Dec 17
20051,702.03 ft on Jan 2
20041,702.04 ft on Nov 10

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (289 days)	1,709.94	1,703.82	Sep 23	1,712.30	Jun 29
2025	1,714.46	1,711.44	Nov 2	1,716.86	May 2
2024	1,719.05	1,715.95	Nov 1	1,721.91	Jun 5
2023	1,722.44	1,719.83	Nov 13	1,724.34	Jun 24
2022	1,725.92	1,723.16	Nov 20	1,728.74	Jun 13
2021	1,728.19	1,726.31	Oct 21	1,730.77	Jun 21
2020	1,728.40	1,726.96	Oct 23	1,729.75	May 28
2019	1,731.37	1,729.02	Dec 20	1,734.55	Jun 23
2018	1,729.67	1,728.26	Jan 1	1,731.16	May 30
2017	1,726.81	1,724.77	Sep 21	1,728.63	Jun 16
2016	1,717.01	1,710.91	Aug 26	1,724.77	Dec 31
2015	1,714.60	1,712.66	Nov 13	1,716.21	Jun 15
2014	1,716.56	1,712.54	Aug 26	1,718.59	Jun 17
2013	1,720.91	1,717.76	Dec 6	1,723.66	May 19
2012	1,726.06	1,722.05	Nov 13	1,729.61	Jan 1
2011	1,729.42	1,728.35	Oct 6	1,730.81	Jun 18
2010	1,729.70	1,728.31	Aug 23	1,734.52	Jun 23
2009	1,729.56	1,727.31	Jan 1	1,732.85	Jun 17
2008	1,717.01	1,708.20	Jan 2	1,727.27	Dec 30
2007	1,709.06	1,705.53	Jan 1	1,711.96	Jun 4
2006	1,705.61	1,705.11	Dec 5	1,706.24	Jun 2
2005	1,704.12	1,702.03	Jan 2	1,705.39	Dec 31
2004	1,705.96	1,702.04	Nov 10	1,708.81	Mar 9
2003	1,712.65	1,708.46	Dec 30	1,715.96	Jun 3
2002	1,719.36	1,715.23	Dec 26	1,722.74	Apr 16
2001	1,724.06	1,721.65	Dec 9	1,727.25	Jun 11
2000	1,727.29	1,723.86	Oct 20	1,730.55	May 11
1999	1,728.80	1,727.74	Jan 4	1,730.72	Jul 1
1998	1,728.82	1,726.99	Oct 23	1,731.21	May 20
1997	1,729.38	1,726.93	Oct 20	1,731.32	Jun 4
1996	1,730.46	1,729.70	Sep 15	1,731.48	Jun 3
1995	1,730.82	1,728.99	Sep 11	1,737.07	Jun 2
1994	1,730.41	1,728.11	Sep 25	1,734.67	Jan 1
1993	1,722.00	1,704.94	Jan 1	1,735.07	Dec 6
1992	1,700.02	1,695.67	Feb 11	1,704.93	Dec 30
1991	1,696.44	1,695.47	Oct 30	1,697.84	Jun 13
1990	1,700.48	1,695.84	Dec 17	1,706.98	Jun 21

Levels in feet. Partial years show the number of days with data.

Monthly averages

Month	Average	Lowest	Highest
January	1,719.53	1,695.71	1,734.67
February	1,719.75	1,695.67	1,733.37
March	1,720.27	1,695.71	1,732.44
April	1,720.68	1,696.16	1,731.78
May	1,721.13	1,696.48	1,736.95
June	1,721.96	1,696.52	1,737.07
July	1,720.89	1,696.71	1,734.46
August	1,719.39	1,696.17	1,732.77
September	1,719.07	1,695.92	1,733.48
October	1,719.31	1,695.47	1,734.21
November	1,719.71	1,695.56	1,734.88
December	1,719.87	1,695.59	1,735.07

Download

Daily levels as CSV (13,438 rows; credit the original agencies listed below)