Station list     Available data
ILLINOIS RIVER BASIN


05548280       NIPPERSINK CREEK NEAR SPRING GROVE, IL



LOCATION.-- Lat 42°26'36", long 88°14'51", in NE1/4NW1/4 sec.25, T.46 N., R.8 E., McHenry County, Hydrologic Unit 07120006, on right bank at upstream side of bridge on Winn Road, 0.6 mi west of Spring Grove, and at mile 7.4.

DRAINAGE AREA.-- 192 mi2.

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

DISCHARGE: August 1966 to current year.
 

STAGE: Water years 1994-2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1976-91.
 

SEDIMENT: Dec. 1997 to May 1999.
PRECIPITATION: October 1999 to current year.

REVISED RECORDS.-- WSP 2115: 1969-70(M). WDR IL-75-1: Drainage area. WDR IL-85-2: 1966-67(M), 1971.

GAGE.-- Water stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 746.00 ft above sea level.

REMARKS.-- Suspended-sediment samples were collected twice weekly with more frequent samples collected during high runoff periods. 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, 2,910 ft3/s, Sept. 26, 1986, gage height, 14.26 ft; minimum discharge, 6.6 ft3/s, Aug. 7, 1988.
SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily, 244 mg/L, May 17, 1999; minimum daily, 8 mg/L, Nov. 24, 1998.
SUSPENDED-SEDIMENT LOAD: Maximum daily, 247 tons, May 17, 1999; minimum daily, 1.9 tons, Nov. 24, 1998.
PRECIPITATION: Maximum daily total, 2.82 in., June 12, 2000.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood in April 1960 reached a stage of 13.7 ft, from information by local resident, and flood in July 1938 reached a stage of about 4 to 6 ft higher than that in April 1960.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
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
 
1 137  111  124  112  168  392  180  148  181  103  64  55 
2 128  113  123  110  211  325  175  128  224  94  68  55 
3 109  113  118  107  251  333  164  116  228  100  75  59 
4 143  107  113  117  142  348  160  107  195  110  70  70 
5 147  108  103  113  114  317  157  98  232  94  66  63 
 
6 155  110  101  110  108  266  183  100  354  93  63  60 
7 144  221  112  109  106  237  186  116  322  113  60  113 
8 132  219  102  104  113  226  e177  137  267  114  57  188 
9 132  258  103  92  416  211  175  117  223  100  58  266 
10 142  353  99  102  684  199  177  113  190  94  73  278 
 
11 124  298  81  102  701  220  204  160  166  89  63  206 
12 116  238  106  97  544  239  381  183  378  73  58  143 
13 127  207  123  97  387  265  312  166  581  64  55  107 
14 126  173  118  101  308  255  244  145  458  64  52  93 
15 117  150  110  108  273  280  207  141  302  67  53  168 
 
16 119  144  111  115  244  365  196  122  277  67  107  161 
17 118  135  99  114  210  342  189  110  233  72  108  189 
18 119  131  95  112  205  300  189  101  218  77  83  210 
19 118  133  115  106  187  279  185  96  206  76  74  274 
20 118  132  110  95  172  261  202  94  190  73  71  236 
 
21 110  118  115  100  161  252  238  103  184  71  67  191 
22 110  118  108  97  155  245  254  127  176  72  74  277 
23 112  111  119  91  146  238  335  118  166  101  77  294 
24 118  107  118  85  186  225  275  134  155  104  70  314 
25 118  106  116  80  739  208  232  248  146  91  69  283 
 
26 120  116  118  84  1090  190  217  255  129  79  86  209 
27 121  121  121  78  789  184  170  243  122  73  81  115 
28 113  119  120  81  556  179  e155  209  119  69  70  105 
29 113  120  125  88  ---  176  e152  176  112  70  64  103 
30 111  124  125  137  ---  174  150  154  111  67  63  101 
 
31 113  ---  118  177  ---  174  ---  142  ---  65  58  --- 

TOTAL 3830 4614 3469 3221 9366 7905 6221 4407 6845 2599 2157 4986
MEAN 124 154 112 104 334 255 207 142 228 83.8 69.6 166
MAX 155 353 125 177 1090 392 381 255 581 114 108 314
MIN 109 106 81 78 106 174 150 94 111 64 52 55
CFSM .64 .80 .58 .54 1.74 1.33 1.08 .74 1.19 .44 .36 .87
IN. .74 .89 .67 .62 1.81 1.53 1.21 .85 1.33 .50 .42 .97
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 2001, BY WATER YEAR (WY)
MEAN 103 124 142 122 170 248 258 186 185 117 88.7 114
MAX 473 372 493 316 455 554 652 542 646 522 258 579
(WY) 1987 1986 1983 1974 1971 1979 1993 1974 2000 1993 1972 1972
MIN 30.7 36.3 29.9 28.7 35.8 62.2 83.8 55.0 34.6 26.0 25.3 21.1
(WY) 1989 1972 1990 1977 1978 1968 1989 1989 1988 1988 1988 1988

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1966 - 2001
ANNUAL TOTAL 72285          59620     
ANNUAL MEAN 198          163      155     
HIGHEST ANNUAL MEAN 288      1974
LOWEST ANNUAL MEAN 52.4   1977
HIGHEST DAILY MEAN 2650              Jun 14 1090          Feb 26 2660      Jun 15 1999
LOWEST DAILY MEAN 63      A     Jan 26,27 52          Aug 14 10      Aug 6 1988
ANNUAL SEVEN-DAY MINIMUM 64              Jan 24 59          Aug 9 14      Aug 2 1988
MAXIMUM PEAK FLOW 1200          Feb 26 2910      Sep 26 1986
MAXIMUM PEAK STAGE 9.59     Feb 26 14.26 Sep 26 1986
INSTANTANEOUS LOW FLOW 30          Jan 28 6.6   Aug 7 1988
ANNUAL RUNOFF (CFSM) 1.03     .85 .81
ANNUAL RUNOFF (INCHES) 14.01     11.55 10.95
10 PERCENT EXCEEDS 379          277      312     
50 PERCENT EXCEEDS 118          121      101     
90 PERCENT EXCEEDS 75          72      43     

A - Estimated.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data