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Iowa Lake Levels Today

Water levels and distance to full pool for 3 Iowa lakes and reservoirs, updated every day from the US Army Corps of Engineers.

Updated Nov 8, 2026 · Source: US Army Corps of EngineersUSACE

  • 3lakes tracked
  • 3at or above full pool
  • 3rising this week
  • 0falling this week

All Iowa lakes

Iowa lakes and reservoirs. Column headers sort the table.
Saylorville Lake838.70836.0+2.70+0.77839.10 ftNov 8, 3:00 PM CST
Lake Red Rock749.34742.0+7.34+3.12744.27 ftNov 8, 3:00 PM CST
Coralville Lake687.24683.0+4.24+0.66686.78 ftNov 8, 3:00 PM CST
3 lakes · “1 yr ago” is % full when the source gives it, otherwise the level

Iowa lakes on the map

KansasMissouriIllinoisNebraska
Saylorville Lake2.70 ft above full poolView lake
Lake Red Rock7.34 ft above full poolView lake
Coralville Lake4.24 ft above full poolView lake
  • < 25%
  • 25–50%
  • 50–75%
  • 75–90%
  • 90–100%
  • Above full pool
  • No lakes tracked

River chains

Des Moines River chain

UpstreamDes Moines RiverDownstream
  1. Saylorville Lake838.70 ft +2.70 ft vs full pool
  2. Lake Red Rock749.34 ft +7.34 ft vs full pool

Iowa operators

Neighboring states

Quick answers

What does “percent full” mean for a reservoir?
It is the water stored in the conservation pool divided by the capacity of that pool. Water above full pool is flood storage and does not count, so a lake can be “100% full” and still rising. See Full pool and ft msl.
Where does this data come from?
From US Army Corps of Engineers. Each lake page names its gauge and the time of the reading. See Sources.

Where this data comes from

Official gauges: US Army Corps of Engineers. Sources

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.