Station list     Available data
APPLE RIVER BASIN


05419000       APPLE RIVER NEAR HANOVER, IL



LOCATION.-- Lat 42°15'10", long 90°17'09", in NE1/4NW1/4 sec.16, T.26 N., R.2 E., Jo Daviess County, Hydrologic Unit 07060005, on right bank, 0.3 mi southwest of Hanover, and at mile 13.9.

DRAINAGE AREA.-- 247 mi2.

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

DISCHARGE: October 1934 to current year. Monthly discharge only for some periods, published in WSP 1308.

 

STAGE: Water years 1994-2001.

SURFACE-WATER QUALITY
 

SEDIMENT: October 1994 to September 1997.


REVISED RECORDS.-- WSP 1005: 1939, 1941(M). WSP 1308: 1935-38(M), 1943-45(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 591.00 ft above sea level. Prior to Oct. 1, 1945, nonrecording gage at site 3.5 mi downstream at datum 9.48 ft lower.

REMARKS.-- Occasional regulation during low flow by dam at Hanover. Suspended-sediment samples were collected by a local observer once a week with additional samples collected during storm runoff periods.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 12,000 ft3/s, Jan. 5, 1946, gage height 25.37 ft; maximum gage height, 26.12 ft, Jan. 5, 1946, ice jam; no flow for part of each day, May 23, 24, 1967, result of temporary closure of gate at dam at Hanover.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 3,790 mg/L, May 28, 1996; minimum daily, 5 mg/L, Aug. 5, 1997.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 28,900 tons, May 28, 1996; minimum daily, 0.8 tons, Aug. 5, 1997

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
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
175 54 55 e43 192 279 272 e230 248 146 71 59 
271 61 54 e44 e160 283 254 e220 423 138 164 59 
374 53 50 e44 e140 383 243 e210 300 142 176 58 
494 52 51 e43 e124 463 232 e230 254 140 110 57 
581 50 43 e44 e115 349 244 e230 497 128 93 55 
 
673 61 45 e46 e114 283 308 e280 623 118 85 56 
767 89 50 e45 e115 281 283 e450 423 117 80 84 
864 80 53 e44 119 277 256 e420 349 116 76 160 
962 70 62 e43 1780 263 777 e370 302 112 74 113 
1063 67 53 e47 1630 319 646 e355 278 105 71 111 
 
1164 62 e50 e51 1040 537 616 e350 259 99 68 86 
1262 59 e49 e47 808 839 671 e310 257 94 68 72 
1362 60 e48 e44 575 969 486 e280 258 92 66 66 
1463 58 e48 e40 451 808 443 e270 272 89 61 61 
1563 58 e47 e41 316 873 e400 e260 461 87 65 58 
 
1659 58 e46 e40 252 899 e370 e260 307 85 86 57 
1758 58 e46 e39 e230 559 e330 e245 254 84 80 61 
1861 54 e46 e38 e215 535 e300 e240 386 133 76 63 
1956 54 e46 e38 e200 562 e275 e240 311 101 74 749 
2057 54 e45 e37 e190 545 e270 232 257 89 71 488 
 
2155 47 e45 e37 e175 516 e340 346 246 161 65 1070 
2255 47 e45 e37 160 495 e310 365 234 128 64 360 
2359 51 e44 e37 203 462 e270 274 215 96 64 695 
2461 51 e44 e37 295 390 e260 264 202 91 63 944 
2561 51 e44 e37 1640 329 e240 251 191 103 104 375 
 
2659 52 e44 e37 1120 296 e255 238 180 95 120 285 
2760 54 e44 e40 514 285 e240 236 169 83 85 242 
2857 53 e44 e73 292 274 e230 217 162 79 71 213 
2955 56 e43 e70 --- 276 e220 205 157 81 67 190 
3053 54 e43 243 --- 268 e215 194 151 78 64 173 
 
3153 --- e43 240 --- 266 --- 193 --- 74 62 --- 

TOTAL195717281470174613165141631025684658626328425447120
MEAN63.157.647.456.347045734227328810682.1237
MAX94896224317809697774506231611761070
MIN53474337114263215193151746155
CFSM.26.23.19.231.901.851.381.111.16.43.33.96
IN..29.26.22.261.982.131.541.271.30.49.381.07

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2001, BY WATER YEAR (WY)
MEAN11112711114524733926023722914198.9126
MAX807672565779837945110411721077974459968
(WY)198719621983196019711959197319731993199319811965
MIN19.724.421.415.219.434.240.230.929.923.118.621.0
(WY)194119411990194019401954194019401989198919411940

SUMMARY STATISTICSFOR 2000 CALENDAR YEARFOR 2001 WATER YEARWATER YEARS 1935 - 2001
ANNUAL TOTAL51532         74524         
ANNUAL MEAN141         204         180         
HIGHEST ANNUAL MEAN480         1993
LOWEST ANNUAL MEAN39.3      1940
HIGHEST DAILY MEAN1990             Jun 131780             Feb 99010         Feb 21 1937
LOWEST DAILY MEAN37      A    Jan 2937             B, C3.5      May 24 1967
ANNUAL SEVEN-DAY MINIMUM41             Jan 2737             B10         Dec 28 1939
MAXIMUM PEAK FLOW2540             Feb 912000         Jan 5 1946
MAXIMUM PEAK STAGE11.83        Feb 926.12 DJan 5 1946
INSTANTANEOUS LOW FLOW29      E    Dec 5.00    F
ANNUAL RUNOFF (CFSM).57    .83    .73    
ANNUAL RUNOFF (INCHES)7.76    11.22    9.93    
10 PERCENT EXCEEDS279         450         335         
50 PERCENT EXCEEDS67         110         87         
90 PERCENT EXCEEDS48         45         32         

A - Estimated due to backwater from ice, but may have been less during periods of estimated discharges in Jan. and Feb.
B - Estimated due to backwater from ice.
C - Several days.
D - Ice jam.
E - Result of freezeup.
F - Part of each day, May 23, 24, 1967, result of temporary closure of gate at dam in Hanover.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data