Willow Creek Lake at Heppner at Heppner water level history

Daily records since 1984 · Level today: 2,047.38 ft

Highest on record

2,092.34 ft

Jun 5, 2011

Lowest on record

2,046.00 ft

Oct 29, 2015

Today

2,047.38 ft

Oct 21, 2026

Years of data

since 1984

In short

Across 41 complete years, 1992 had the lowest average level (2,058.51 ft) and 2011 the highest (2,072.55 ft).

On average the lake is lowest in November (2,058.70 ft) and highest in May (2,073.84 ft).

Willow Creek Lake at Heppner at Heppner level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years) Full pool

Lowest years

Years ranked by their lowest daily level.

20152,046.00 ft on Oct 29
20212,047.00 ft on Oct 11
20252,047.04 ft on Sep 29
20172,047.04 ft on Nov 2
20232,047.25 ft on Sep 21

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (293 days)	2,064.60	2,047.35	Oct 16	2,080.72	May 1
2025	2,062.29	2,047.04	Sep 29	2,077.03	Apr 10
2024	2,064.72	2,049.95	Oct 21	2,079.18	May 10
2023	2,062.26	2,047.25	Sep 21	2,078.55	May 8
2022	2,068.65	2,051.38	Jan 1	2,080.61	May 31
2021	2,060.22	2,047.00	Oct 11	2,077.63	May 4
2020	2,064.20	2,048.40	Oct 22	2,079.33	May 24
2019	2,067.79	2,054.85	Jan 1	2,090.98	Apr 14
2018	2,062.71	2,050.59	Jan 1	2,077.18	May 21
2017	2,063.11	2,047.04	Nov 2	2,078.41	Apr 28
2016	2,061.52	2,047.60	Dec 2	2,076.22	Apr 15
2015	2,061.11	2,046.00	Oct 29	2,076.71	Apr 9
2014	2,063.86	2,050.04	Nov 20	2,076.70	May 7
2013	2,067.22	2,058.16	Dec 19	2,078.33	Apr 22
2012	2,067.14	2,057.07	Oct 22	2,077.30	Apr 22
2011	2,072.55	2,062.57	Dec 9	2,092.34	Jun 5
2010	2,071.08	2,062.77	Jan 19	2,077.58	Jun 23
2009	2,068.65	2,061.34	Dec 13	2,078.32	May 6
2008	2,070.25	2,062.07	Jan 1	2,077.90	May 1
2007	2,067.95	2,060.07	Nov 14	2,076.83	Jun 6
2006	2,069.55	2,062.16	Jan 1	2,078.67	Jun 5
2005	2,066.65	2,059.71	Dec 18	2,076.69	May 28
2004	2,069.38	2,060.27	Jan 1	2,080.54	May 25
2003	2,068.05	2,058.69	Nov 27	2,077.00	Apr 25
2002	2,066.54	2,062.35	Jan 1	2,070.78	Jun 20
2001	2,070.33	2,062.33	Dec 26	2,077.71	Apr 21
2000	2,070.85	2,062.91	Jan 23	2,077.17	May 12
1999	2,070.17	2,062.36	Feb 2	2,076.98	May 20
1998	2,070.66	2,062.01	Feb 25	2,079.04	Jun 1
1997	2,070.48	2,057.97	Jan 16	2,076.80	Jun 17
1996	2,070.67	2,060.96	Jan 31	2,080.21	Feb 10
1995	2,071.65	2,062.33	Dec 26	2,082.98	May 8
1994	2,070.30	2,062.24	Nov 23	2,078.34	Jun 9
1993	2,072.00	2,056.30	Jan 1	2,080.01	May 4
1992	2,058.51	2,049.77	Oct 28	2,064.05	Mar 1
1991	2,060.96	2,053.96	Jan 1	2,067.96	May 22
1990	2,059.56	2,053.76	Nov 24	2,064.47	May 4
1989	2,061.16	2,057.22	Oct 19	2,064.93	Feb 24
1988	2,065.29	2,056.84	Nov 12	2,076.16	Jun 11
1987	2,061.02	2,056.89	Nov 10	2,064.23	Mar 17
1986	2,061.84	2,058.64	Sep 22	2,071.87	Feb 24
1985	2,058.83	2,050.99	Feb 4	2,062.81	Dec 8
1984 (250 days)	2,062.70	2,053.03	Mar 9	2,065.19	Apr 19

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

Monthly averages

Month	Average	Lowest	Highest
January	2,061.52	2,049.58	2,075.97
February	2,064.22	2,050.99	2,080.21
March	2,069.27	2,053.03	2,088.32
April	2,073.03	2,059.10	2,090.98
May	2,073.84	2,060.55	2,090.53
June	2,073.25	2,061.38	2,092.34
July	2,070.68	2,058.60	2,077.44
August	2,066.19	2,049.87	2,076.43
September	2,061.83	2,047.04	2,075.92
October	2,060.02	2,046.00	2,075.14
November	2,058.70	2,046.00	2,070.49
December	2,059.25	2,046.23	2,070.41

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Daily levels as CSV (15,388 rows; credit the original agencies listed below)