1940–present

TWDB's daily record reaches back to 1940, when Mansfield Dam began holding water. The first months of filling (1940–41) are left off the chart and the comparison, just as for the 1951 record low. Lake Travis has ranged over 96.26 vertical feet, from a record low of 614.18 ft (Aug 14, 1951) to a record high of 710.44 ft (Dec 25, 1991). Today's 674.67 ft is higher than 60% of the 1,021 monthly averages since 1941.

Lake elevation history, monthly, Aug 1941 to Sep 2026, today 674.67 ft, full pool 681.00 ft, lowest 614.18 ft in Aug 1951, highest 710.31 ft in Dec 1991. Yearly summary of the monthly record.
Year	Mean (ft)	Low (ft)	High (ft)
1941	628.72	614.70	641.20
1942	667.05	639.80	691.20
1943	666.63	652.36	683.37
1944	666.56	652.26	680.54
1945	673.88	664.55	686.60
1946	667.87	656.45	677.73
1947	651.86	638.62	666.36
1948	640.54	632.86	650.64
1949	655.86	638.84	671.24
1950	643.84	627.66	656.90
1951	620.63	614.18	627.64
1952	636.87	614.85	679.72
1953	675.37	665.51	682.96
1954	671.60	664.26	679.93
1955	673.12	655.93	683.41
1956	672.42	664.67	681.08
1957	679.47	666.13	707.38
1958	677.41	668.74	687.54
1959	677.59	667.56	692.58
1960	671.23	661.76	682.88
1961	675.59	666.46	682.96
1962	663.85	653.84	668.69
1963	642.37	615.02	665.74
1964	628.82	616.46	644.27
1965	671.16	644.27	691.73
1966	678.12	669.96	686.56
1967	667.36	655.83	679.41
1968	680.72	665.36	692.09
1969	677.62	672.58	682.67
1970	680.33	672.74	689.82
1971	669.94	647.04	683.11
1972	674.71	656.07	678.26
1973	682.00	675.62	690.65
1974	680.06	665.77	690.10
1975	680.74	674.18	691.15
1976	678.16	673.69	684.05
1977	675.77	663.81	692.42
1978	659.40	645.78	666.77
1979	674.58	662.75	683.44
1980	673.60	658.42	680.58
1981	679.77	671.80	689.63
1982	674.47	664.78	681.27
1983	670.76	666.03	678.68
1984	653.88	636.58	668.43
1985	672.55	658.76	680.79
1986	679.09	671.26	687.15
1987	679.61	670.59	693.48
1988	672.06	667.70	679.06
1989	663.76	655.00	670.65
1990	669.07	655.23	680.84
1991	678.16	670.54	710.31
1992	682.00	675.34	704.73
1993	675.20	667.19	682.13
1994	669.97	665.33	679.10
1995	676.02	671.03	685.39
1996	664.01	651.79	675.12
1997	680.63	675.03	704.72
1998	674.83	662.44	688.04
1999	674.33	664.04	683.15
2000	658.27	640.25	682.36
2001	677.61	668.77	684.68
2002	678.54	665.26	693.37
2003	675.35	667.85	682.79
2004	677.95	667.77	696.51
2005	675.08	663.77	684.48
2006	655.43	643.70	665.82
2007	672.28	644.12	701.42
2008	669.37	655.62	682.86
2009	646.80	629.85	655.70
2010	672.31	655.58	682.02
2011	646.24	626.14	667.91
2012	635.27	626.16	643.36
2013	627.10	618.64	631.93
2014	626.25	621.96	630.51
2015	652.72	623.33	676.65
2016	681.07	676.73	692.68
2017	676.45	669.26	682.99
2018	668.22	653.89	704.28
2019	677.98	669.57	684.75
2020	667.03	658.86	674.28
2021	662.04	656.89	666.98
2022	650.60	639.96	661.99
2023	635.51	626.93	639.91
2024	635.62	630.27	642.95
2025	653.36	635.30	675.37
2026	670.29	663.26	684.71

Monthly mean (line) with monthly min–max band. Dashed teal line = full pool (681.00 ft).

Record high

710.44 ft

Dec 25, 1991

Record low

614.18 ft

Aug 14, 1951

2008–16 drought low

618.56 ft

Sep 20, 2013

Spillway

714.00 ft

never reached (record checked through Sep 22, 2026)

Daily values shown as monthly min, mean and max. Lake level, storage and percent full from LCRA Hydromet (gauge 3963); daily history and surveyed surface area from the Texas Water Development Board; reference elevations and ramp minimums from LCRA. Historical daily values are agency-reviewed; recent values are provisional.