Orwell Lake water level history

Daily records since 1990 · Level today: 1,064.10 ft

Highest on record

1,073.05 ft

Sep 15, 2010

Lowest on record

1,048.19 ft

Mar 30, 1997

Today

1,064.10 ft

Oct 21, 2026

Years of data

since 1990

In short

Across 36 complete years, 2000 had the lowest average level (1,059.01 ft) and 2010 the highest (1,066.06 ft).

On average the lake is lowest in March (1,062.45 ft) and highest in May (1,065.30 ft).

Orwell Lake 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.

19971,048.19 ft on Mar 30
20001,049.15 ft on Oct 15
20131,049.41 ft on Apr 15
19981,049.89 ft on Jun 18
20031,050.03 ft on Aug 16

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (292 days)	1,064.24	1,063.74	Jun 15	1,064.94	Jun 30
2025	1,063.28	1,050.04	Sep 14	1,065.19	May 21
2024	1,064.20	1,063.39	Jan 15	1,064.96	Apr 29
2023	1,063.56	1,053.98	Apr 8	1,066.82	May 19
2022	1,064.98	1,059.93	Mar 16	1,070.55	Jun 1
2021	1,064.15	1,062.99	Mar 16	1,065.28	Apr 9
2020	1,063.93	1,054.37	Mar 23	1,068.68	May 15
2019	1,065.02	1,055.32	Mar 27	1,070.39	May 6
2018	1,064.21	1,063.47	May 15	1,065.62	Jul 18
2017	1,064.33	1,062.73	Jan 10	1,067.91	Jun 16
2016	1,064.25	1,061.70	Oct 17	1,066.07	Nov 28
2015	1,063.99	1,060.93	Aug 23	1,066.45	Jun 9
2014	1,065.83	1,062.97	Dec 30	1,072.82	Jun 20
2013	1,063.41	1,049.41	Apr 15	1,070.12	Jun 13
2012	1,064.06	1,062.92	Jan 17	1,065.48	Apr 18
2011	1,062.70	1,050.15	Apr 1	1,066.58	Jul 21
2010	1,066.06	1,059.80	Mar 11	1,073.05	Sep 15
2009	1,063.99	1,058.24	Mar 22	1,066.66	Jun 22
2008	1,064.19	1,062.89	Dec 31	1,065.93	Dec 23
2007	1,065.95	1,063.10	Jul 29	1,071.99	Jun 11
2006	1,065.36	1,052.64	Mar 28	1,071.26	May 28
2005	1,063.89	1,057.71	Mar 26	1,067.33	Jul 4
2004	1,064.39	1,062.30	Aug 25	1,066.74	Sep 8
2003	1,062.99	1,050.03	Aug 16	1,065.84	Jun 30
2002	1,064.08	1,062.25	Aug 25	1,065.87	Sep 3
2001	1,064.15	1,052.05	Apr 6	1,072.79	May 29
2000	1,059.01	1,049.15	Oct 15	1,065.49	Feb 29
1999	1,064.20	1,054.97	Aug 1	1,072.46	Jun 9
1998	1,062.34	1,049.89	Jun 18	1,066.11	Jul 24
1997	1,062.98	1,048.19	Mar 30	1,070.33	Apr 14
1996	1,063.60	1,059.93	Mar 29	1,068.33	May 28
1995	1,064.19	1,063.11	Feb 15	1,068.79	Mar 20
1994	1,063.91	1,060.81	Mar 15	1,065.40	Mar 25
1993	1,064.28	1,061.68	Nov 30	1,070.73	Aug 1
1992	1,064.05	1,063.11	Jul 26	1,065.03	Aug 8
1991	1,064.20	1,062.80	Sep 30	1,065.50	May 6
1990	1,063.67	1,058.70	Jan 2	1,065.55	May 29

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

Monthly averages

Month	Average	Lowest	Highest
January	1,064.06	1,058.70	1,067.04
February	1,063.88	1,057.06	1,065.49
March	1,062.45	1,048.19	1,068.79
April	1,063.77	1,049.30	1,070.80
May	1,065.30	1,054.96	1,072.79
June	1,065.08	1,049.74	1,072.82
July	1,064.05	1,049.62	1,070.93
August	1,063.36	1,049.59	1,070.73
September	1,063.60	1,049.22	1,073.05
October	1,063.95	1,049.15	1,072.18
November	1,064.20	1,058.51	1,071.82
December	1,064.17	1,061.77	1,066.12

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