Hoover Reservoir lake and shoreline

Hoover Reservoir Water Level

Officially Hoover Reservoir (Big Walnut Creek)

Ohio

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Hoover Reservoir

Hoover Reservoir is currently 0.4 feet below full pool, with a water-surface elevation of 893.6 feet.

893.57 ft · Updated 1 hour ago · U.S. Geological Survey

Current level

893.57ft

−0.43 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.02 ft

Previous readingSep 23893.63 ft

7-day change

Up 1.52 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Down 0.36 ft

31 daily readings in the last 30 days

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Water Level History

Current
893.57 ft
24h
-0.02 ft
7d
+1.52 ft
30d
-0.36 ft

Elevation (ft) MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Hoover Reservoir is currently 893.57 ft, 0.43 ft below its full pool. The lake has risen 1.52 ft over the past 7 days and fallen 0.36 ft over the past 30 days.

Hoover Reservoir Level Details

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

Conditions & Reference

Level status

0.43 ft below full pool

Current level
893.57 ft
Full pool
894 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
USGS

Reference levels

  • Full pool894 ft

Watershed drought

No Drought

None reported for the surrounding watershed.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Delaware County, OH

No Drought

No Drought. No official drought conditions.. Trend: Stable compared with last week. Official drought no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

No

No official drought is reported for the surrounding watershed.

U.S. Drought Monitor · map date Sep 22, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Delaware County, OH

Daily level summary

DateLevelChange
Sep 24, 2026893.61-0.02
Sep 23, 2026893.630
Sep 22, 2026893.63+0.09
Sep 21, 2026893.54+0.48
Sep 20, 2026893.06+1.08
Sep 19, 2026891.98-0.01
Sep 18, 2026891.99-0.1

Common questions about Hoover Reservoir’s water level

  • The current water level at Hoover Reservoir is 893.57 ft (updated 1 hour ago). You can track the Hoover Reservoir lake level on the interactive chart and daily history above.

  • Full pool for Hoover Reservoir is 894 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Hoover Reservoir lake level is rising — rising about 1.52 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Hoover Reservoir is currently 0.43 ft below full pool.

Lake level glossary

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

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