Bull Run Reservoir NO 1 water level history

Daily records since 1975 · Level today: 979.83 ft

Highest on record

1,046.19 ft

Jun 19, 1995

Lowest on record

962.85 ft

Oct 20, 1994

Today

979.83 ft

Oct 21, 2026

Years of data

since 1975

In short

Across 49 complete years, 1987 had the lowest average level (1,019.37 ft) and 1983 the highest (1,039.26 ft).

On average the lake is lowest in September (1,003.64 ft) and highest in June (1,042.55 ft).

Bull Run Reservoir NO 1 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.

1994962.85 ft on Oct 20
1998963.85 ft on Oct 1
1987968.96 ft on Oct 15
1999970.00 ft on Oct 26
2015970.25 ft on Sep 16

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (293 days)	1,029.51	980.11	Oct 18	1,044.86	Apr 22
2025	1,026.34	982.92	Oct 10	1,044.42	May 22
2024	1,026.91	980.13	Oct 9	1,045.04	Apr 25
2023	1,023.10	974.87	Sep 22	1,044.48	May 22
2022	1,026.07	976.29	Oct 21	1,044.55	Jul 5
2021	1,027.45	981.50	Oct 13	1,044.78	Jun 19
2020	1,032.26	983.03	Oct 9	1,044.88	Jun 25
2019	1,027.06	997.68	Sep 14	1,044.30	May 4
2018	1,021.58	977.26	Oct 22	1,042.01	Apr 30
2017	1,030.77	990.55	Sep 17	1,045.30	Jun 13
2016	1,032.61	997.04	Sep 24	1,045.25	Jun 25
2015	1,021.88	970.25	Sep 16	1,044.41	May 6
2014	1,029.57	982.86	Oct 17	1,045.25	Jun 17
2013	1,033.03	1,000.64	Sep 21	1,045.42	Jun 27
2012	1,033.64	990.25	Oct 10	1,045.38	Jul 9
2011	1,034.16	1,005.50	Oct 5	1,045.33	Jun 27
2010	1,035.26	1,013.23	Sep 9	1,045.50	Jun 10
2009	1,026.21	985.31	Oct 3	1,045.10	Jun 6
2008	1,033.19	1,000.49	Nov 2	1,045.22	Jun 29
2007	1,023.64	974.23	Sep 30	1,041.41	Feb 15
2006	1,023.81	972.74	Oct 15	1,045.33	Jun 16
2005	1,027.91	989.92	Sep 18	1,045.10	Jun 28
2004	1,035.78	1,010.96	Nov 23	1,045.47	May 26
2003	1,022.31	985.32	Oct 8	1,045.26	Jun 13
2002	1,022.46	970.31	Nov 7	1,045.37	Jul 9
2001	1,028.30	970.63	Oct 5	1,045.41	Jun 28
2000	1,029.33	972.30	Sep 29	1,044.93	Jun 11
1999	1,028.26	970.00	Oct 26	1,046.02	Nov 25
1998	1,027.84	963.85	Oct 1	1,045.30	May 17
1997	1,034.76	1,002.65	Sep 14	1,045.21	Jun 30
1996	1,029.97	976.93	Oct 13	1,045.67	Feb 6
1995	1,034.34	998.00	Sep 25	1,046.19	Jun 19
1994	1,027.79	962.85	Oct 20	1,045.18	Jul 4
1993 (237 days)	1,024.06	987.22	Nov 26	1,042.75	Apr 30
1992	1,025.29	990.28	Aug 31	1,044.98	May 14
1991	1,026.63	978.11	Oct 23	1,044.39	Jun 17
1990	1,030.21	995.31	Oct 2	1,045.30	Jun 13
1989	1,031.06	1,000.50	Oct 13	1,045.24	Jun 17
1988	1,028.15	989.03	Oct 19	1,045.25	Jul 15
1987	1,019.37	968.96	Oct 15	1,045.00	May 15
1986	1,030.56	990.02	Sep 22	1,044.94	May 29
1985	1,032.25	1,000.84	Apr 30	1,045.02	Jun 6
1984	1,033.88	1,008.95	Sep 5	1,044.94	Jun 21
1983	1,039.26	1,030.38	Oct 21	1,045.92	Jun 10
1982	1,034.64	1,009.42	Sep 9	1,045.56	Jun 17
1981	1,029.69	975.90	Sep 15	1,044.59	Mar 31
1980	1,030.24	992.59	Oct 31	1,045.95	May 25
1979	1,032.16	980.86	Oct 16	1,045.39	Jul 6
1978	1,039.03	1,012.44	Oct 27	1,046.13	Sep 19
1977	1,038.68	1,000.15	Aug 24	1,046.00	Mar 7
1976	1,030.24	988.26	Oct 24	1,045.53	Jun 17
1975 (92 days)	1,035.76	1,020.00	Oct 3	1,044.44	Dec 1

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

Monthly averages

Month	Average	Lowest	Highest
January	1,035.49	1,022.91	1,043.46
February	1,035.50	1,026.19	1,045.79
March	1,035.62	1,023.81	1,046.00
April	1,037.79	1,000.84	1,045.90
May	1,041.58	1,003.15	1,045.95
June	1,042.55	1,017.53	1,046.19
July	1,036.34	1,001.03	1,045.73
August	1,018.20	976.04	1,045.25
September	1,003.64	964.65	1,046.13
October	1,005.61	962.85	1,044.98
November	1,028.25	970.31	1,046.03
December	1,034.80	991.13	1,044.44

Download

Daily levels as CSV (18,507 rows; credit the original agencies listed below)