Calumet Union Drainage Canal at Markham

Highest listed crest 12.00 ftFlood stage 10.0 ft5 crests since 1954

The Calumet Union Drainage Canal at Markham crested at major flood stage 2 times among the 5 crests the National Weather Service lists from 1954 to 2020. The highest, 12.00 ft on October 11, 1954, was major flooding, 2.00 feet above flood stage.

The gauge

Highest listed crest: 12.00 ft; October 11, 1954
Flood stage: 10.0 ft; Major flooding from 11.5 ft
Crests at major: 2; 82nd of 177 gauges in Illinois
Most recent flood crest: September 14, 2008; 10.00 ft, minor flooding
Location: Cook County; Near Harvey (1.0 mi), Markham (1.3 mi), Hazel Crest (2.0 mi)
Identifiers: NWS MKHI2; USGS 05536310

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Calumet Union Drainage Canal at Markham

Action stage	9.0	0	—	The level at which the NWS or its partners begin to take action
Flood stage (minor)	10.0	1	Sep 14, 2008	Minimal or no property damage, but possibly some public threat
Moderate flood stage	10.5	0	—	Some inundation of structures and roads near the stream
Major flood stage	11.5	2	Jul 13, 1957	Extensive inundation of structures and roads

Every listed crest

5 crests from 1954 to 2020. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Calumet Union Drainage Canal at Markham

1	Oct 11, 1954	12.00	+2.00	Major	—
2	Jul 13, 1957	11.50	+1.50	Major	—
3	Sep 14, 2008	10.00	0.00	Minor	—
4	May 17, 2020	8.64	−1.36	Below flood stage	—
5	Jul 19, 2020	8.24	−1.76	Below flood stage	—

Other gauges in Cook County

Flood gauges in Cook County

Bellwood	9.0	13.57 ft, Jul 24, 2010	4
Wheeling	5.0	8.46 ft, Jun 26, 2013	6
Flossmoor	9.0	13.08 ft, Apr 17, 2006	0
Chicago (Columbus Dr)	3.0	5.50 ft, Oct 10, 1954	2
Chicago (Western Ave)	4.0	5.26 ft, May 17, 2020	0
Chicago Heights	10.0	12.87 ft, Sep 15, 2008	0
Des Plaines (Algonquin Road)	13.0	21.00 ft, Sep 14, 2008	2
Lyons	18.0	22.87 ft, Apr 18, 2013	2
River Forest	16.0	18.98 ft, Apr 19, 2013	1
Riverside	7.5	11.28 ft, Apr 18, 2013	7
Des Plaines	15.0	20.92 ft, Apr 19, 2013	5
Lemont	10.0	13.24 ft, May 18, 2020	0
Willow Springs	10.0	10.57 ft, Apr 18, 2013	0
Lake Michigan at Calumet Harbor	5.0	6.07 ft, Aug 11, 2020	0
Lake Michigan at Chicago (Chicago Lock)	4.0	5.98 ft, Apr 29, 2020	0
Lansing	7.0	10.18 ft, Oct 11, 1954	0
South Holland	16.0	20.50 ft, Nov 28, 1990	5
Lemont	6.0	11.10 ft, Jul 18, 1996	1
Mount Prospect	5.0	8.08 ft, Aug 14, 1987	2
Oak Forest	6.0	9.50 ft, Apr 5, 1947	2
Midlothian	8.5	9.98 ft, Feb 2, 2016	0
Chicago (Grand Ave)	3.0	5.70 ft, Oct 10, 1954	3
Chicago (Pulaski Rd)	18.0	22.50 ft, Aug 14, 1987	1
Niles	10.0	12.13 ft, Sep 14, 2008	2
Elgin	5.5	7.69 ft, Sep 13, 2008	0
Elk Grove Village	17.0	20.80 ft, May 18, 2020	0
Rolling Meadows	8.5	14.03 ft, Aug 14, 1987	0
Western Springs	7.5	10.65 ft, Apr 18, 2013	0
Worth	31.0	36.50 ft, Oct 11, 1954	2
Glenwood	8.5	11.14 ft, Jul 13, 1957	0
Thornton	9.0	17.06 ft, Jun 14, 1981	6
Palos Park	9.0	10.30 ft, Oct 10, 1954	0
Des Plaines	9.0	15.09 ft, Jun 10, 1967	7
Northbrook	7.0	10.10 ft, Aug 14, 1987	7

Cook County: every hazard · River floods across the country · Illinois

NOAA National Water Prediction Service, gauge MKHI2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.