Blanchard Reservoir water level history

Daily records since 1989 · Level today: 630.06 ft

Highest on record

651.09 ft

Apr 14, 1994

Lowest on record

607.67 ft

Nov 16, 1990

Today

630.06 ft

Oct 22, 2026

Years of data

since 1989

In short

Across 36 complete years, 1990 had the lowest average level (620.60 ft) and 2018 the highest (629.16 ft).

On average the lake is lowest in March (616.25 ft) and highest in September (630.61 ft).

Loading chart…

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

Years ranked by their lowest daily level.

Year	Average	Low	Low date	High	High date
2026 (292 days)	627.02	612.08	Mar 16	633.73	Sep 4
2025	627.60	615.09	Mar 14	634.04	May 8
2024	627.64	610.42	Mar 6	637.83	Apr 6
2023	626.15	611.22	Mar 3	631.40	Jul 3
2022	627.19	610.19	Mar 4	637.65	May 9
2021	626.83	615.01	Mar 9	635.55	Sep 24
2020	626.72	610.08	Mar 9	634.02	Dec 26
2019	626.29	610.05	Mar 2	632.57	Feb 10
2018	629.16	612.05	Mar 20	647.59	Sep 13
2017	627.55	615.09	Mar 3	636.65	May 7
2016	626.51	610.14	Mar 4	639.22	Oct 22
2015	627.50	614.88	Mar 3	633.68	Jul 19
2014	627.53	612.88	Mar 18	636.81	May 18
2013	626.79	614.22	Mar 6	632.44	Jun 28
2012	627.50	608.27	Feb 24	631.43	May 4
2011	628.53	615.51	Feb 27	638.45	Sep 9
2010	627.41	610.21	Mar 4	638.78	Dec 3
2009	626.27	610.16	Mar 17	631.05	Aug 1
2008	627.59	610.15	Feb 29	637.61	Mar 10
2007	626.98	610.37	Mar 10	630.76	Aug 8
2006	625.94	609.95	Mar 5	632.86	Nov 18
2005	626.48	609.47	Mar 27	632.95	Dec 1
2004	627.58	610.13	Feb 25	648.27	Sep 20
2003	627.19	610.13	Mar 11	636.90	Nov 21
2002	627.66	614.71	Mar 11	636.45	May 15
2001	627.10	610.15	Mar 12	631.10	Jun 17
2000	626.97	610.06	Mar 5	631.06	Apr 20
1999	626.49	610.06	Mar 11	630.94	Jun 17
1998	627.56	610.37	Mar 12	633.59	Jan 10
1997	626.83	610.26	Mar 3	631.36	Nov 9
1996	627.90	610.15	Mar 5	638.79	Oct 21
1995	625.35	609.98	Mar 11	632.83	Oct 22
1994	626.42	609.66	Mar 20	651.09	Apr 14
1993	622.89	609.98	Mar 21	649.46	Apr 28
1992	621.25	609.97	Dec 25	630.78	Aug 9
1991	621.48	609.85	Feb 10	630.46	Jun 23
1990	620.60	607.67	Nov 16	632.07	May 18
1989 (1 days)	610.11	610.11	Dec 31	610.11	Dec 31

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

Month	Average	Lowest	Highest
January	623.58	609.92	637.16
February	620.81	608.27	637.20
March	616.25	609.47	644.54
April	625.46	610.16	651.09
May	629.86	621.04	647.32
June	630.27	628.45	635.40
July	630.35	629.79	637.38
August	630.35	629.55	639.52
September	630.61	617.92	648.27
October	628.77	610.34	639.22
November	627.32	607.67	638.34
December	624.02	609.94	638.78

Daily levels as CSV (13,442 rows; credit the original agencies listed below)