Michael J Kirwan Reservoir water level history

Daily records since 2013 · Level today: 980.84 ft

Highest on record

988.56 ft

Jun 18, 2019

Lowest on record

975.44 ft

Oct 19, 2023

Today

980.84 ft

Oct 21, 2026

Years of data

since 2013

In short

Across 12 complete years, 2023 had the lowest average level (980.32 ft) and 2019 the highest (983.32 ft).

On average the lake is lowest in November (979.86 ft) and highest in April (985.59 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 (291 days)	983.47	979.85	Jan 1	988.47	Apr 5
2025	982.31	978.05	Oct 29	987.95	Apr 7
2024	981.91	977.39	Jan 1	988.28	Apr 13
2023	980.32	975.44	Oct 19	986.65	Mar 26
2022	982.87	980.56	Jan 8	985.92	May 8
2021	982.86	980.40	Feb 23	987.52	Jul 18
2020	982.48	980.45	Dec 28	987.61	Mar 31
2019	983.32	979.89	Oct 26	988.56	Jun 18
2018	982.98	979.88	Feb 11	988.10	Apr 17
2017	982.57	979.52	Nov 17	986.74	May 6
2016	981.23	977.82	Oct 19	986.34	Apr 13
2015	982.99	980.06	Dec 21	987.73	Jun 29
2014	983.32	980.12	Feb 17	987.75	May 16
2013 (159 days)	982.97	980.51	Dec 19	986.95	Aug 10

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

Month	Average	Lowest	Highest
January	980.74	977.39	983.70
February	981.29	979.88	985.06
March	983.53	980.24	987.61
April	985.59	982.11	988.47
May	985.44	983.27	987.75
June	984.92	980.94	988.56
July	983.91	978.84	987.52
August	982.93	978.01	986.95
September	981.85	976.49	985.57
October	980.06	975.44	982.84
November	979.86	975.53	982.00
December	980.10	975.90	983.54

Daily levels as CSV (4,833 rows; credit the original agencies listed below)