Station list     Available data
ILLINOIS RIVER BASIN


05528000       DES PLAINES RIVER NEAR GURNEE, IL



LOCATION.-- Lat 42°20'39", long 87°56'18", in SE1/4SW1/4 sec.27, T.45 N., R.11 E., Lake County, Hydrologic Unit 07120004, on left bank at upstream side of bridge on State Highway 120, 2.5 mi southwest of Gurnee, and at mile 94.2.

DRAINAGE AREA.-- 232 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1945 to September 1958, October 1968 to current year.
 

STAGE: Water years 1994-2001.
 

PARTIAL RECORD: Annual maximum, water years 1960-68.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1977-91.
PRECIPITATION: October 1999 to current year.

REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-76-1: 1960(M), 1962(M). WDR IL-77-1: 1971.

GAGE.-- Water-stage recorder, phone telemeter, and rain gage. Datum of gage is 650.30 ft above sea level (U.S. Army Corps of Engineers bench mark). Prior to May 26, 1946, nonrecording gage. May 27, 1946, to Sept. 30, 1958, water-stage recorder. Dec. 17, 1959, to September 1968, crest-stage gage. October 1968 to September 1998, water stage recorder at site 800 ft upstream at same datum.

REMARKS.-- Effluent from sewage-treatment plants, 0.5 mi upstream. Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,530 ft3/s, Sept. 27, 1986, gage height, 11.95 ft; no flow Sept. 26 to Oct. 19, 1956, and part of each day Aug. 27-30, Sept. 1, 2, 1970.
PRECIPITATION: Maximum daily total, 2.44 in., May 18, 2000.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plants averaged 50.3 ft3/s. The maximum monthly effluent was 68.4 ft3/s in June, and the minimum was 45.8 ft3/s in October.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 257  67  163  106  338  856  225  263  399    e80  53  66 
2 180  67  168  108  335  848  213  220  377    e70  61  63 
3 126  66  167  106  360  800  205  194  344    e62  58  62 
4 172  66  164  107  354  734  193  176  318    e56  55  61 
5 156  66  148  109  329  671  188  155  317    e52  52  55 
 
6 175  65  136  112  302  598  218  144  341    60  53  59 
7 165  136  136  114  271  530  220  159  370    79  51  91 
8 155  153  126  116  272  480  218  162  399    71  51  84 
9 141  282  115  114  691  427  233  154  417    66  54  115 
10 125  404  123  113  878  373  227  155  425    58  e60  143 
 
11 113  450  111  113  989  337  273  262  425    53  53  140 
12 103  463  107  116  1040  314  382  286  589    54  e44  129 
13 95  469  122  122  1080  308  398  297  641    55  e38  120 
14 93  461  110  134  1120  305  e500  350  643    53  49  113 
15 89  441  103  167  1100  339  e560  466  632    51  47  97 
 
16 84  413  119  199  1000  412  e520  483  637    52  95  87 
17 76  379  120  219  835  462  e460  475  648    72  75  79 
18 74  332  116  231  712  491  424  462  662    70  79  69 
19 73  270  115  241  645  525  385  444  648    71  138  340 
20 72  217  113  233  547  552  379  418  606    64  120  279 
 
21 71  170  111  214  447  543  377  387  556    61  114  335 
22 71  165  109  205  388  515  401  328  491    67  108  294 
23 68  158  106  186  332  479  493  260  409    75  130  312 
24 66  141  107  168  337  438  569  226  301    75  112  322 
25 69  136  102  153  541  400  565  209  201    82  93  282 
 
26 72  150  102  146  702  359  540  193  154    74  89  251 
27 80  158  102  137  769  318  497  320  129    67  78  214 
28 92  161  102  129  806  277  447  352  113    61  75  182 
29 82  163  101  135  ---  251  392  383  101    57  73  155 
30 74  159  102  244  ---  242  329  373  e90.0 56  68  132 
 
31 70  ---  105  304  ---  227  ---  364  ---    54  69  --- 

TOTAL 3339 6828 3731 4901 17520 14411 11031 9120 12383.0 1978 2295 4731
MEAN 108 228 120 158 626 465 368 294 413 63.8 74.0 158
MAX 257 469 168 304 1120 856 569 483 662 82 138 340
MIN 66 65 101 106 271 227 188 144 90 51 38 55
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 2001, BY WATER YEAR (WY)
MEAN 124 182 235 169 264 444 505 307 232 151 130 137
MAX 1011 785 865 514 626 1510 1395 847 1123 599 648 756
(WY) 1987 1986 1983 1993 2001 1979 1993 1996 2000 1993 1978 1986
MIN 16.6 16.5 12.7 10.6 11.9 61.8 79.9 31.3 23.1 23.9 15.0 18.3
(WY) 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1977 - 2001
ANNUAL TOTAL 109240  92268.0      
ANNUAL MEAN 298  253          240     
HIGHEST ANNUAL MEAN 428      1993
LOWEST ANNUAL MEAN 26.8   1977
HIGHEST DAILY MEAN 2640      Jun 16 1120              Feb 14 3470      Sep 27 1986
LOWEST DAILY MEAN 47      Jan 2, Sep 10 38      A     Aug 13 7.5   Feb 6 1977
ANNUAL SEVEN-DAY MINIMUM 49      Sep 4 49              Aug 9 7.9   Jan 31 1977
MAXIMUM PEAK FLOW 1140              Feb 14 3530      Sep 27 1986
MAXIMUM PEAK STAGE 7.04         Feb 14 11.95 Sep 27 1986
INSTANTANEOUS LOW FLOW 41              Aug 15
10 PERCENT EXCEEDS 849  542          580     
50 PERCENT EXCEEDS 140  164          124     
90 PERCENT EXCEEDS 56  64          43     

A - Estimated.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data