Coralville Lake lake and shoreline

Coralville Lake Water Level

Iowa

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Coralville Lake is currently 1.0 feet above full pool, with a water-surface elevation of 684.0 feet.

684.03 ft · Updated 1 hour ago · USACE MVR District

Current level

684.03ft

+1.03 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.06 ft

Previous readingSep 9684.15 ft

7-day change

Up 0.41 ft

7-day trend: Rising

4 daily readings in the last 7 days

30-day change

Up 0.41 ft

4 daily readings in the last 30 days

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Water Level History

Elevation (ft) NGVD29 · MSL

683 ft684 ft684 ftFULL POOL 683.00 ftSep 8Sep 11

Level status

1.03 ft above full pool

Current level
684.03 ft
Full pool
683 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
USACE MVR District

Reference levels

  • Full pool683 ft
  • Flood stage712 ft

Watershed drought

No Drought

None reported for the surrounding watershed.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Johnson County, IA

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 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Johnson County, IA

Daily level summary

  • Sep 10, 2026

    684.09 ft

    -0.06 ft

  • Sep 9, 2026

    684.15 ft

    +0.17 ft

  • Sep 8, 2026

    683.98 ft

    +0.3 ft

  • Sep 7, 2026

    683.68 ft

    —

Common questions about Coralville Lake’s water level

  • The current water level at Coralville Lake is 684.03 ft (updated 1 hour ago). You can track the Coralville Lake lake level on the interactive chart and daily history above.

  • Full pool for Coralville Lake is 683 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Coralville Lake lake level is rising — rising about 0.41 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Coralville Lake is currently 1.03 ft above full pool.

Lake level glossary

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

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