Bartlett Reservoir water level history

Daily records since 1977 · Level today: 185.38 ft

Highest on record

198.13 ft

Jun 3, 2013

Lowest on record

32.00 ft

Oct 1, 1977

Today

185.38 ft

Oct 21, 2026

Years of data

since 1977

In short

Across 48 complete years, 1990 had the lowest average level (124.14 ft) and 1992 the highest (195.07 ft).

On average the lake is lowest in December (164.53 ft) and highest in April (179.38 ft).

Bartlett Reservoir 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.

199079.11 ft on Mar 28
199697.91 ft on Nov 15
198998.99 ft on Nov 29
1997114.35 ft on Jan 1
1978118.25 ft on Jan 1

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (291 days)	178.29	164.13	Mar 23	187.40	Feb 3
2025	160.65	147.97	Sep 28	187.96	Dec 2
2024	166.00	150.43	Jan 7	177.06	Jun 14
2023	179.01	153.15	Dec 31	198.01	Apr 24
2022	159.32	152.58	Aug 7	164.85	Feb 5
2021	162.59	153.44	Jul 22	185.54	Oct 26
2020	186.51	156.53	Dec 30	198.03	Mar 31
2019	182.18	152.05	Jan 29	197.88	Mar 18
2018	154.85	150.75	Jul 16	167.83	Jan 1
2017	187.56	162.97	Jan 1	197.94	Mar 13
2016	163.80	147.37	Feb 28	179.03	Oct 9
2015	169.79	148.08	Dec 9	193.55	Apr 18
2014	171.05	141.48	Apr 27	186.92	Oct 5
2013	189.54	165.31	Jan 1	198.13	Jun 3
2012	154.15	141.77	Feb 20	165.14	Dec 31
2011	165.12	151.38	Dec 11	190.54	Jan 27
2010	187.52	145.97	Jan 12	198.09	Apr 20
2009	182.17	147.11	Dec 31	198.02	Jun 3
2008	187.34	154.40	Dec 4	198.00	Mar 16
2007	152.00	145.64	May 23	185.81	Dec 31
2006	177.25	151.76	Dec 31	188.49	Jan 10
2005	193.15	179.90	Jan 4	198.06	Feb 27
2004	172.01	159.84	Feb 22	193.94	Nov 29
2003	174.65	141.02	Jan 7	193.55	Apr 4
2002	149.52	140.74	Jan 1	157.02	May 10
2001	179.13	140.36	Dec 30	191.87	Aug 28
2000	146.30	138.06	Aug 16	154.16	Dec 31
1999	145.86	130.76	Feb 28	160.83	Jan 1
1998	180.46	157.85	Jan 3	197.81	Apr 10
1997	165.61	114.35	Jan 1	177.65	Apr 9
1996	138.61	97.91	Nov 15	170.22	Feb 25
1995	175.33	162.94	Dec 31	185.41	Mar 7
1994	184.30	168.95	Dec 1	195.32	Apr 29
1993	189.65	157.78	Jan 16	197.75	Apr 30
1992	195.07	191.70	Oct 20	197.99	Apr 8
1991	184.52	131.40	Jan 1	197.99	Apr 7
1990	124.14	79.11	Mar 28	150.63	Oct 15
1989	161.37	98.99	Nov 29	188.04	Jan 9
1988	191.30	175.33	Jan 15	197.55	Apr 28
1987	192.27	176.50	Dec 31	197.94	Apr 17
1986	194.20	189.90	Dec 31	197.36	Apr 10
1985	193.65	181.65	Jan 1	198.07	Apr 1
1984	186.62	174.05	Dec 28	194.24	May 3
1983	189.50	163.44	Jan 1	198.09	May 22
1982	178.46	153.98	Jan 1	197.70	Mar 28
1981	151.00	118.64	Jan 7	176.18	May 10
1980	178.72	123.44	Dec 31	197.83	May 13
1979	191.80	169.58	Dec 31	197.48	May 12
1978	183.57	118.25	Jan 1	198.00	Mar 25
1977 (92 days)	114.96	32.00	Oct 1	123.35	Dec 16

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

Monthly averages

Month	Average	Lowest	Highest
January	165.93	112.74	197.84
February	170.34	112.36	198.06
March	175.63	79.11	198.06
April	179.38	85.12	198.09
May	179.10	109.16	198.09
June	178.12	116.34	198.13
July	176.22	117.14	197.65
August	175.50	126.55	197.90
September	175.54	121.73	197.55
October	172.89	32.00	197.75
November	166.73	97.91	197.49
December	164.53	99.31	195.05

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Daily levels as CSV (17,868 rows; credit the original agencies listed below)