Mille Lacs Lake water level history

Daily records since 1963 · Level today: 10.11 ft

Highest on record

13.03 ft

Aug 22, 1972

Lowest on record

9.02 ft

Nov 21, 1976

Today

10.11 ft

Oct 21, 2026

Years of data

since 1963

In short

Across 40 complete years, 1988 had the lowest average level (9.89 ft) and 2019 the highest (12.05 ft).

On average the lake is lowest in December (10.72 ft) and highest in July (11.44 ft).

Mille Lacs Lake level, all years

Loading chart…

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

Lowest years

Years ranked by their lowest daily level.

19769.02 ft on Nov 21
19889.12 ft on Nov 11
19909.41 ft on Jan 23
20079.47 ft on Nov 30
20069.65 ft on Nov 12

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (293 days)	10.52	10.10	Oct 16	11.05	Jul 8
2025 (318 days)	10.73	10.04	Nov 26	11.36	Jul 10
2024	11.00	10.42	Dec 16	11.79	Jul 7
2023	10.96	10.41	Nov 28	11.82	May 24
2022 (300 days)	11.04	10.32	Nov 6	11.85	Jun 25
2021	10.96	10.24	Dec 4	11.63	May 23
2020	11.69	10.99	Oct 31	12.21	Jan 1
2019	12.05	11.58	Feb 4	12.50	Oct 21
2018 (249 days)	11.74	10.90	Jan 3	12.33	Jul 16
2017	11.31	10.72	Dec 12	11.76	Oct 27
2016	11.20	10.77	Jan 3	11.84	Jul 24
2015 (327 days)	11.25	10.69	Oct 18	11.74	Jul 6
2014	11.64	10.82	Jan 23	12.51	Jun 20
2013	11.13	10.54	Feb 8	12.26	Jun 29
2012	11.12	10.53	Dec 5	12.53	Jul 6
2011	11.27	10.58	Mar 10	12.36	Aug 7
2010	10.81	10.53	Oct 19	11.16	Sep 4
2009	10.72	9.98	Jan 1	11.37	Jun 29
2008 (309 days)	10.26	9.60	Jan 5	11.10	Jun 29
2007	9.96	9.47	Nov 30	10.57	Jun 4
2006	10.71	9.65	Nov 12	11.52	May 12
2005	11.17	10.43	Jan 1	12.07	Jul 1
2004	10.96	10.36	Dec 3	11.42	Apr 26
2003	11.57	10.84	Nov 9	12.57	Jul 10
2002	11.79	10.90	Jan 24	12.95	Jul 22
2001	11.16	10.10	Jan 2	12.45	Jun 20
2000	10.47	9.87	Oct 29	11.05	Jul 9
1999	10.71	10.12	Feb 27	11.51	Aug 13
1998	10.66	9.92	Nov 9	11.30	Jul 16
1997	11.17	10.60	Dec 27	11.80	May 11
1996 (326 days)	11.40	10.62	Oct 14	11.86	Jun 3
1995	11.37	10.79	Jan 4	11.87	May 20
1994	11.29	10.74	Nov 16	11.97	Jun 29
1993	11.03	10.28	Jan 8	11.87	Aug 27
1992	10.70	10.17	Dec 5	11.22	May 2
1991	10.60	9.88	Jan 4	11.45	Jul 7
1990	10.09	9.41	Jan 23	10.82	Jun 22
1989 (270 days)	9.94	9.41	Jan 1	10.58	Jun 22
1988	9.89	9.12	Nov 11	10.52	May 9
1987 (313 days)	10.81	9.85	Nov 21	11.82	Jan 1
1986	12.01	11.24	Jan 21	12.70	Sep 25
1985	11.37	10.92	Feb 8	11.82	Jul 6
1984 (286 days)	10.97	10.64	Sep 23	11.45	May 16
1983 (278 days)	11.32	10.82	Oct 5	11.68	Jul 7
1982 (325 days)	11.17	10.73	Jan 1	11.72	May 20
1981 (319 days)	10.73	10.22	Jan 13	11.22	Jul 14
1980 (272 days)	10.74	10.17	Dec 1	11.16	Jun 4
1979 (329 days)	11.25	10.65	Jan 1	11.92	Jul 13
1978 (306 days)	10.81	10.27	Jan 1	11.60	Jul 12
1977 (323 days)	9.72	9.14	Jan 1	10.27	Dec 27
1976	10.30	9.02	Nov 21	11.17	Apr 24
1975	11.19	10.54	Jan 1	12.38	Jul 5
1974	11.12	10.50	Dec 12	11.80	Jun 9
1973	11.65	11.10	Dec 5	12.00	Jan 4
1972	11.96	11.28	Feb 16	13.03	Aug 22
1971	11.15	10.67	Jan 3	11.65	Jul 2
1970	10.78	10.18	Oct 3	11.49	Jun 12
1969 (280 days)	11.23	10.29	Oct 26	12.00	May 5
1968 (241 days)	10.94	10.23	Jan 1	11.85	Aug 8
1967 (285 days)	10.92	10.06	Nov 26	11.68	Jun 29
1966 (185 days)	11.70	11.02	Dec 17	12.30	Jun 6
1965 (43 days)	11.32	10.07	Jan 13	11.85	Jun 13
1964 (327 days)	10.06	9.55	Jan 22	10.61	May 23
1963 (57 days)	9.70	9.55	Nov 1	9.91	Oct 1

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

Monthly averages

Month	Average	Lowest	Highest
January	10.74	9.14	12.21
February	10.73	9.15	12.10
March	10.81	9.24	12.05
April	11.03	9.56	12.20
May	11.28	9.75	12.47
June	11.40	9.77	12.55
July	11.44	9.75	12.95
August	11.24	9.58	13.03
September	10.99	9.44	12.95
October	10.81	9.20	12.65
November	10.72	9.02	12.41
December	10.72	9.10	12.21

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Daily levels as CSV (20,895 rows; credit the original agencies listed below)