IsItFlooding

Mill Creek at Old Mill Creek, IL

Lake County, Illinois · USGS gauge 05527950 · NWS OMCI2 · Mill Creek flood status · Illinois river levels

Is Mill Creek at Old Mill Creek, IL flooding right now?

Mill Creek at Old Mill Creek, IL measured 8.52 ft on 2026-09-22 21:00:00 UTC. That observation was 2.5 ft below its 11 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
8.52 ft
as of 48 min ago
Streamflow
198 cfs
data refreshed 1 min ago

Minor flooding here begins at 11 ft, with major flooding at 15 ft. The highest crest on record was 13.21 ft on Wed, Jul 12, 2017.

Streamflow outlook

NOAA National Water Model forecast, issued 10 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action10 ft1.5 ft below
Minor flood11 ft2.5 ft below
Moderate flood12 ft3.5 ft below
Major flood15 ft6.5 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
13.21 ft2017-07-12
13.18 ft2009-06-19
12.98 ft2013-04-15
12.88 ft1976-03-06
12.77 ft2019-09-13

Nearby gauges

GaugeDistanceCounty
North Mill Creek near Milburn, IL2.6 miLake County
Hastings Creek near Lindenhurst, IL3.6 miLake County
North Mill Creek at Hickory Corners, IL4.0 miLake County
Des Plaines River near Gurnee, IL5.1 miLake County
Des Plaines River at Russell, IL5.6 miLake County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast