Tuttle C Lake water level history

Daily records since 2011 · Level today: 1,082.47 ft

Highest on record

1,135.78 ft

May 31, 2019

Lowest on record

1,062.29 ft

Jan 16, 2013

Today

1,082.47 ft

Oct 21, 2026

Years of data

since 2011

In short

Across 13 complete years, 2024 had the lowest average level (1,072.92 ft) and 2019 the highest (1,105.58 ft).

On average the lake is lowest in January (1,072.60 ft) and highest in June (1,086.02 ft).

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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)	1,081.86	1,075.74	Apr 9	1,095.51	Oct 7
2025	1,078.33	1,068.99	Jan 29	1,083.59	Jul 28
2024	1,072.92	1,065.48	Jan 29	1,084.43	Jul 7
2023	1,073.44	1,066.58	Dec 23	1,078.00	May 17
2022	1,074.09	1,071.98	Jan 4	1,081.38	May 29
2021	1,077.50	1,072.24	Dec 31	1,087.71	Mar 27
2020	1,078.32	1,070.24	Feb 7	1,090.56	Aug 4
2019	1,105.58	1,072.09	Dec 20	1,135.78	May 31
2018	1,081.85	1,072.88	Jan 20	1,104.09	Oct 26
2017	1,077.43	1,071.90	Jan 31	1,092.06	May 25
2016	1,077.83	1,072.39	Dec 20	1,097.89	Jun 3
2015	1,078.25	1,072.43	Apr 1	1,110.82	Jun 19
2014	1,076.48	1,072.50	Feb 18	1,083.82	Jun 10
2013	1,073.58	1,062.29	Jan 16	1,088.96	Jun 3
2012 (141 days)	1,066.88	1,062.57	Dec 30	1,072.73	Jul 31
2011 (61 days)	1,080.34	1,079.94	Nov 30	1,081.76	Oct 1

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

Month	Average	Lowest	Highest
January	1,072.60	1,062.29	1,082.96
February	1,073.39	1,062.53	1,080.46
March	1,075.66	1,063.03	1,112.27
April	1,078.07	1,063.89	1,116.35
May	1,082.07	1,072.01	1,135.78
June	1,086.02	1,074.95	1,135.57
July	1,081.54	1,072.73	1,131.30
August	1,079.27	1,070.41	1,116.57
September	1,080.19	1,067.79	1,116.43
October	1,080.97	1,064.33	1,119.48
November	1,079.46	1,063.42	1,111.56
December	1,075.15	1,062.57	1,095.07

Daily levels as CSV (5,242 rows; credit the original agencies listed below)