Reservation Dam at Lake Traverse Reservoir water level history

Daily records since 1990 · Level today: 976.62 ft

Highest on record

982.20 ft

Apr 16, 1997

Lowest on record

974.08 ft

Mar 30, 2001

Today

976.62 ft

Oct 21, 2026

Years of data

since 1990

In short

Across 36 complete years, 1990 had the lowest average level (975.16 ft) and 2022 the highest (977.56 ft).

On average the lake is lowest in March (976.32 ft) and highest in April (977.50 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)	976.95	976.59	Oct 16	977.26	Aug 4
2025	977.13	976.66	May 19	978.00	Jul 1
2024	977.14	976.56	Oct 30	978.32	Jan 2
2023	977.02	974.22	Apr 7	979.90	Apr 28
2022	977.56	975.35	Mar 18	980.02	May 4
2021	976.76	975.86	Aug 23	977.71	Oct 28
2020	976.72	975.68	Mar 8	977.45	Apr 10
2019	977.48	975.34	Mar 24	981.01	Apr 9
2018	977.11	976.48	Mar 23	977.81	Apr 16
2017	977.34	976.61	Oct 27	978.22	Jan 21
2016	977.20	976.59	Nov 18	977.82	Dec 31
2015	976.89	976.30	Oct 22	977.68	May 22
2014	977.00	976.26	Mar 12	978.04	Jun 20
2013	976.76	974.19	Apr 4	977.97	Jun 24
2012	976.77	976.12	Oct 11	977.43	Apr 17
2011	977.30	974.71	Mar 19	981.05	Apr 11
2010	977.16	975.26	Mar 14	980.02	Mar 30
2009	977.07	975.47	Mar 16	980.70	Apr 1
2008	976.89	975.63	Apr 1	977.55	Jun 12
2007	977.29	976.22	Mar 12	978.76	Jun 11
2006	976.88	974.74	Mar 25	978.39	Apr 11
2005	977.03	976.00	Mar 28	978.52	Jul 5
2004	976.82	976.03	Jan 25	977.61	Oct 4
2003	976.66	976.04	Nov 22	977.25	Jun 24
2002	976.77	976.03	Mar 19	977.98	May 5
2001	976.98	974.08	Mar 30	981.10	Apr 19
2000	976.28	975.32	Oct 27	977.17	Apr 21
1999	976.71	975.83	Mar 20	977.22	Aug 16
1998	976.70	976.01	Mar 18	977.25	May 16
1997	976.96	974.51	Mar 25	982.20	Apr 16
1996	976.68	975.29	Mar 13	977.33	May 19
1995	977.20	975.62	Mar 12	980.34	Apr 3
1994	976.89	975.60	Mar 18	979.20	Apr 5
1993	976.63	975.14	Mar 26	980.00	Jul 31
1992	976.02	975.27	Nov 2	977.03	Jul 16
1991	975.71	974.35	Feb 18	977.20	Jul 1
1990	975.16	974.55	Nov 11	975.77	Apr 30

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

Month	Average	Lowest	Highest
January	976.73	974.45	978.32
February	976.71	974.35	978.14
March	976.32	974.08	980.68
April	977.50	974.09	982.20
May	977.40	975.40	980.58
June	977.10	975.29	979.63
July	976.98	975.14	980.00
August	976.93	974.84	979.95
September	976.72	974.82	978.57
October	976.60	974.59	977.71
November	976.59	974.55	977.57
December	976.68	974.60	978.29

Daily levels as CSV (13,439 rows; credit the original agencies listed below)