Seneca Lake lake and shoreline

Seneca Lake Water Level

Officially Seneca Lake (Senecaville Dam)

Ohio

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Seneca Lake

Seneca Lake is currently 0.9 feet above full pool, with a water-surface elevation of 832.9 feet.

832.87 ft · Updated 3 hours ago · U.S. Geological Survey

Current level

832.87ft

+0.87 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.16 ft

Previous readingSep 22833.21 ft

7-day change

Up 0.34 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Down 3.89 ft

31 daily readings in the last 30 days

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Water Level History

Current
832.87 ft
24h
-0.16 ft
7d
+0.34 ft
30d
-3.89 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

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Lake Level Context

Level remains above the full pool

Seneca Lake is currently 832.87 ft, 0.87 ft above its full pool. The lake has risen 0.34 ft over the past 7 days and fallen 3.89 ft over the past 30 days.

Seneca Lake Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

0.87 ft above full pool

Current level
832.87 ft
Full pool
832 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
USGS

Reference levels

  • Full pool832 ft

Daily level summary

DateLevelChange
Sep 23, 2026833.05-0.16
Sep 22, 2026833.21+0.02
Sep 21, 2026833.19+0.25
Sep 20, 2026832.94+0.21
Sep 19, 2026832.73+0.03
Sep 18, 2026832.70
Sep 17, 2026832.7-0.01

Common questions about Seneca Lake’s water level

  • The current water level at Seneca Lake is 832.87 ft (updated 3 hours ago). You can track the Seneca Lake lake level on the interactive chart and daily history above.

  • Full pool for Seneca Lake is 832 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Seneca Lake lake level is rising — rising about 0.34 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Seneca Lake is currently 0.87 ft above full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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