Lakefullness

Michael J. Kirwan Reservoir water level: Kirwan Rippling deep blue lake water Full

Michael J. Kirwan Reservoir is at full pool, about normal for early November. The Michael J Kirwan Dam & Reservoir gauge read 980.39 ft at 11:00 AM EST, November 4, 2026.

Check your dock

Source: U.S. Army Corps of Engineers, LRP district. Agency page.

How Kirwan stands today

977 977.5 978 978.5 979 979.5 980 980.5 981 981.5 982 982.5 983 Normal today 980.72 ft Full pool 980.56 ft Today 980.39 ft A year ago 978.49 ft Feet above sea level (NAVD88)

The past year, day by day

The shaded band is where Kirwan usually sits on each date: the middle 80% of years from 2013 to 2025. The blue line is the past 12 months; the sand line is the 12 months before. Hover or use the arrow keys to read any day.

  • Past 12 months
  • The 12 months before
  • Normal range (middle 80% of years)
  • Median
  • Full pool
978 980 982 984 986 988 DecJanFebMarAprMayJunJulAugSepOctNov Full pool Today Year ago
978 980 982 984 986 988 DecFebAprJunAugOct Full pool Today Year ago

Monthly average since 2013

9759809852013201520172019202120232025
97598098520132016201920222025
Readings for the last 30 days
DateLevel (ft)Normal (ft)
November 4, 2026980.42980.72
November 3, 2026980.43980.72
November 2, 2026980.45980.68
November 1, 2026980.49980.70
October 31, 2026980.52980.73
October 30, 2026980.53980.70
October 29, 2026980.56980.47
October 28, 2026980.64980.35
October 27, 2026980.69980.28
October 26, 2026980.71980.22
October 25, 2026980.74980.17
October 24, 2026980.77980.17
October 23, 2026980.80980.19
October 22, 2026980.81980.21
October 21, 2026980.85980.23
DateLevel (ft)Normal (ft)
October 20, 2026980.88980.26
October 19, 2026980.94980.29
October 18, 2026980.99980.32
October 17, 2026981.03980.36
October 16, 2026981.06980.40
October 15, 2026981.14980.46
October 14, 2026981.22980.55
October 13, 2026981.29980.65
October 12, 2026981.37980.74
October 11, 2026981.45980.80
October 10, 2026981.55980.86
October 9, 2026981.63980.92
October 8, 2026981.72981.00
October 7, 2026981.81981.07
October 6, 2026981.91981.09

Is the water above your dock?

Enter the elevation of your dock, ramp end or a mark on your shoreline, in feet above sea level (NAVD88, the datum the Army Corps of Engineers uses for this gauge). You will see how far the water is above or below it today, and how often it dipped below it in each month since 2016.

Today the lake is at 980.39 ft.

Typical Michael J. Kirwan Reservoir level by month since 2016
MonthLow year (10th %)MedianHigh year (90th %)Days above your mark
January 980.17 980.69 981.73 —
February 980.46 981.03 983.16 —
March 981.66 983.88 985.13 —
April 984.61 985.57 987.16 —
May 985.07 985.44 986.00 —
June 983.41 984.91 985.74 —
July 980.71 983.93 985.78 —
August 979.12 982.57 985.18 —
September 978.47 981.63 983.59 —
October 977.90 980.19 981.30 —
November 978.26 980.50 980.92 —
December 978.35 980.51 981.11 —

Other Ohio lakes, lowest first

Lake water surface
Open water
Ohio lakes ranked by how full they are
Lake Level (ft) Vs full pool For the date
Deer Creek Lake 803.50 1.4 ft above Much lower than usual
Leesville Lake 962.46 97.0% full Much lower than usual
Atwood Lake 927.63 6.2 ft above Much lower than usual
Tappan Lake 898.98 97.9% full Much lower than usual
East Fork Lake (William H. Harsha) 730.10 26.6% full About normal
Mosquito Creek Lake 898.75 At pool About normal
Berlin Lake 1,016.08 At pool About normal
Clendening Lake 897.85 99.0% full About normal
Caesar Creek Lake 846.92 30.4% full About normal
Charles Mill Lake 996.77 95.6% full About normal
Paint Creek Lake 792.89 0.8 ft above About normal
Piedmont Lake 912.76 98.4% full About normal
C. J. Brown Reservoir 1,010.13 37.4% full About normal
Alum Creek Lake 886.49 1.5 ft below Higher than usual

All 21 Ohio lakes →

Kirwan questions

What is full pool at Michael J. Kirwan Reservoir?

Full pool at Michael J. Kirwan Reservoir is 980.56 ft above sea level today. The Army Corps of Engineers changes it through the year, up to 985.06 ft in the high season. The agency's own term for it is “top of conservation.”

Is Michael J. Kirwan Reservoir full right now?

Yes. At 980.39 ft it is within half a foot of full pool.

Is Michael J. Kirwan Reservoir lower than normal for early November?

No, it is close to normal. The median level on Nov 4 across 2013–2025 is 980.72 ft, and today's 980.39 ft is −0.33 ft from it. In 8 of 10 years the level on this date fell between 978.34 and 981.52 ft.

How does Michael J. Kirwan Reservoir compare with last year?

A year ago, on November 4, 2025, it stood at 978.49 ft. It is 1.90 ft higher now.

What are the highest and lowest levels since 2013?

In the daily record we hold, which starts in 2013, the highest daily level was 988.54 ft on June 18, 2019 and the lowest was 975.44 ft on October 19, 2023.

How often is this page updated?

We pull new readings from the U.S. Army Corps of Engineers several times a day. This page was last rebuilt on Wed, 04 Nov 2026 18:13:42 UTC. Readings are provisional and can be revised by the agency.