Lake Conditions
Illustrated map of Grand Lake St Marys

Lake levels

Tom Jenkins Lake, OH

water level
721.98 ft
Condition
High for this time of year
7-day change
+0.39 ft
Above full pool
11.98 ft
30-day change
+0.19 ft

Reading as of 2026-10-13 | the U.S. Army Corps of Engineers

Since yesterday
+0.07 ft
7-day change
+0.39 ft
30-day change
+0.19 ft
Above full pool
11.98 ft
1-year change
+0.50 ft

In brief

Tom Jenkins Lake stood at 721.98 feet on Oct 13, 2026. That is higher than 98% of October readings since 2020.

Source: U.S. Army Corps of Engineers

Lake level timeline

721.1722.2723.4724.5725.6SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 725.14LOW 721.58721.98 ft

Records and averages

Current level721.98 ft
Full pool (conservation) 710.00 ft
Flood pool 740.00 ft
Record high729.94 ft (2026-08-18)
Record low720.66 ft (2024-11-09)
Average of all readings721.62 ft
Data span6 years (2,250 readings)

Level schematic

709.2714.6720.0725.4730.7FULL POOL 710.00 ft721.98 ft11.98 ftabove full pool

Frequently asked questions

Is Tom Jenkins Lake full right now?

As of 2026-10-13, Tom Jenkins Lake sits at 721.98 ft, which is high for this time of year. That is 11.98 ft above full pool of 710.00 ft. It is still 18.0 ft below the flood pool of 740.00 ft. Over the past 30 days the level has risen 0.19 ft.

What is the water level at Tom Jenkins Lake today?

The most recent reading at Tom Jenkins Lake is 721.98 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Tom Jenkins Lake has ever been?

The highest level for Tom Jenkins Lake in our records is 729.94 ft on 2026-08-18. The lowest is 720.66 ft on 2024-11-09. Our record covers about 6 years of readings.

Is Tom Jenkins Lake low for this time of year?

Compared with every October in our records, the current level is higher than 98% of them, which we classify as high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Tom Jenkins Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Tom Jenkins Lake has risen 0.19 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.

How much has Tom Jenkins Lake changed over the past year?

Tom Jenkins Lake is +0.50 ft compared with this date last year (721.98 ft today). The full-history chart above covers 6 years, with a record high of 729.94 ft and a record low of 720.66 ft.

Download and cite

Quote this reading

Tom Jenkins Lake stood at 721.98 feet on Oct 13, 2026. That is higher than 98% of October readings since 2020.

From the U.S. Army Corps of Engineers, updated daily. The sentence changes with every new reading, so quote it with its date.

Download the full record

tom-jenkins-lake-oh-water-level-history.csv

2,250 readings, Aug 12, 2020 to Oct 13, 2026. Daily readings. Columns: date, water_level_ft. 42 KB.

How to cite

MyWaterLevel, “Tom Jenkins Lake water level, 2020 to 2026,” data from U.S. Army Corps of Engineers, https://mywaterlevel.com/lake/oh/tom-jenkins-lake/, accessed Oct 13, 2026.

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Source: the U.S. Army Corps of Engineers. All Ohio lake levels. Readings are provisional and may be revised. About our data and methods.