River gauges›Illinois
RIVER GAUGE · PECATONICA RIVER

Pecatonica River at Freeport

Stephenson County, Illinois

Water level4.00 ft
Flow705 cfs
Last readingSep 16, 2026, 1:30 PM UTC (last recorded)
Action11.5 ft
Minor flood13 ft
Moderate flood14 ft
Major flood16 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Mar 15, 192919.76 ft18,400 cfs
Mar 27, 191619.4 ft17,000 cfs
Feb 24, 192218.82 ft14,500 cfs

Flood map

See which streets and areas flood at each water level here. Open the flood map ↗

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