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Lake Michigan Diversion Accounting-Discharge Values

Map of the Chicago-Area River System with locations of USGS gaging stations and Locks and Dams

These are the latest available discharge values for Lake Michigan Diversion Discharge Accounting.  For more information about a station, please select its station name or number below.  To view discharge data choose the form of display for the station you would like to view:

Annual Discharge Values for Lake Michigan Diversion

Station Name

Station Number

Average Annual Discharge (ft3/sec)

 

Water Year 1997

Water Year 1998

 Water Year 1999

Calumet R Below OBrien Lock and Dam at Chicago, Il

05536357

 427

 274

Chicago River At Columbus Dr At Chicago, Il 

05536123

496

364

Chicago Sanitary And Ship Ca At Romeoville, Il

05536995

 3231

3120

2944

North Shore Channel at Wilmette, Il

05536101

Not available at this time

 

Average Monthly Discharge in (ft3/sec)

Date 

Chicago Sanitary And Ship Canal At Romeoville

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Chicago River At Columbus Drive At Chicago

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Calumet River Below O'Brien Lock and Dam at Chicago

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10/96

 2755

no record 

547

11/96

 2372

no record

 43.6

12/96

 2605

 309

 170

01/97

 2677

 352

 289

02/97

 4975

 259

 280

03/97

 3056

 275

 no record

04/97

 2534

 262

 no record

05/97

 2836

 406

 no record

06/97

 3701

 593

 no record

07/97

 3733

 877

 725

08/97

 4278

 793

 626

09/97

 3387

 840

 608

10/97

 2620

 512

 286

11/97

 2009

 203

 93.9

12/97

 2125

68.8

 189

01/98

 3112

 151

 185

02/98

 2987

 97

155 

03/98

 3721

 130

 167

04/98

 3420

 181

 193

05/98

 3610

 302

 162

06/98

 3300

 526

 475

07/98

 3501

 792

 646

08/98

 4026

 781

 551

09/98

 2966

 535

 402

10/98

 2740

11/98

 2084

12/98

 1904

01/99

 3303

02/99

 2395

03/99

 2410

04/99

 4548

05/99

 2843

06/99

 3950

07/99

 3223

08/99

 3249

09/99

2681

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