Des Moines River at Saylorville Reservoir
Polk County, Iowa
The past week
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What floods at each level
- 915.5 ft
This is the top of the Saylorville Dam.
- 892.83 ft
Water reaches the low beams of the Iowa 415 bridge.
- 892.02 ft
The Iowa 415 bridge is closed.
- 890 ft
This is the top of the Saylorville Dam spillway when pneumatic crest gates are used. Without the crest gates...the top of the spillway is 884 feet.
- 886 ft
Water affects US 30 west of Boone.
- 884 ft
This is the top of the Saylorville Dam spillway when pneumatic crest gates are not used. If the pool approaches...or is forecast to exceed 884 feet then pneumatic crest gates can be used to raise the spillway elevation to 890 feet.
- 870 ft
Water affects the main entrance to Jester Park.
- 858 ft
Water affects Ledges State Park Rd.
- 847 ft
NW Jester Park Dr is closed.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 10, 1993 | 892.03 ft | — |
| Jun 11, 2008 | 891.03 ft | — |
| Jun 21, 1984 | 889.25 ft | — |
More on Des Moines River
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