Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07020500       MISSISSIPPI RIVER AT CHESTER, IL

 

LOCATION.-- Lat 37°54'10", long 89°50'10" (NAD of 1927), in SW 1/4 sec.24, T.7 S., R.7 W., third principal meridian, Randolph County, Hydrologic Unit 07140105, on downstream side of left pier of main truss of highway bridge at Chester, 8.1 mi downstream from Kaskaskia River, and at mile 109.9 above Ohio River.
 

DRAINAGE AREA.-- 708,600 mi2, approximately.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: October 1927 to current year. Monthly discharge only for some periods, published in WSP 1311. Since August 1873, results of discharge measurements in reports of the Mississippi River Commission.
 

STAGE: July 1942 to current year. Since May 1891, in reports of the Mississippi River Commission and National Weather Service.

SURFACE-WATER QUALITY
 

SEDIMENT: August 1980 to current year.
 

REVISED RECORDS.-- WDR MO-76-1: Drainage area. WDR MO-98-1: Extremes outside period of record.
 

GAGE.-- Water-stage recorder and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 341.05 ft above NGVD of 1929. Prior to Feb. 1, 1962, nonrecording gage 0.4 mi downstream at present datum.
 

REMARKS.-- Natural flow of stream affected by many reservoirs and navigation dams in upper Mississippi River Basin and by many reservoirs and diversions for irrigation in Missouri River Basin.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,000,000 ft3/s, August 7, 1993, gage height, 49.74 ft; minimum discharge, 30,000 ft3/s, December 12, 1937.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 3,380 mg/L, Apr. 13, 1987; minimum daily mean, 13 mg/L, Mar. 18, 1981.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 3,330,000 tons, Feb. 25, 1997; minimum daily, 3,580 tons, Mar. 18, 1981.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of June 30, 1844, reached a gage height of 39.8 ft, discharge, 1,050,000 ft3/s, computed by the U.S. Army Corps of Engineers.
 

EXTREMES FOR CURRENT YEAR.--

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,360 mg/L, March 9; minimum daily mean, 90 mg/L, Feb. 11.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,510,000 tons, May 30; minimum daily, 18,400 tons, Oct. 14.
 

REMARKS FOR CURRENT YEAR.--Sediment records fair.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
MEAN MEAN MEAN
MEAN CONCEN- SEDIMENT MEAN CONCEN- SEDIMENT MEAN CONCEN- SEDIMENT
DISCHARGE TRATION DISCHARGE DISCHARGE TRATION DISCHARGE DISCHARGE TRATION DISCHARGE
DAY (CFS) (MG/L) (TONS/DAY) (CFS) (MG/L) (TONS/DAY) (CFS) (MG/L) (TONS/DAY)
 
OCTOBER NOVEMBER DECEMBER
1 77600 160 32100 69500 123 23100 117000 184 58200
2 79100 176 37600 70800 116 22100 119000 200 64200
3 73400 131 26100 71500 112 21600 108000 193 56400
4 70900 137 26300 73900 113 22600 102000 190 52200
5 71400 158 30600 83000 115 25700 103000 197 54800
 
6 70500 173 32900 98400 129 34300 98700 198 52800
7 68700 162 30000 112000 119 36200 89700 186 45100
8 66600 126 22700 120000 139 44800 85200 173 39700
9 65900 162 28800 119000 173 55500 84500 159 36300
10 71200 124 23900 114000 145 44900 91500 194 48000
 
11 82200 139 30800 111000 109 32500 121000 288 96300
12 76900 100 20800 107000 126 36300 179000 457 222000
13 71300 125 24000 105000 126 35700 189000 645 329000
14 68500 99 18400 99500 106 28300 186000 521 262000
15 68700 125 23200 91600 137 34000 169000 389 178000
 
16 71400 142 27300 86500 156 36300 148000 316 127000
17 74700 145 29300 84400 171 39100 140000 250 94300
18 84600 159 36300 110000 248 77600 135000 232 84200
19 86600 135 31600 174000 522 246000 138000 266 98900
20 81100 105 23100 180000 415 202000 139000 290 109000
 
21 71900 108 20900 174000 232 109000 130000 242 85300
22 68900 108 20200 168000 194 88300 121000 165 53900
23 73800 109 21700 159000 180 77100 117000 154 48800
24 74900 95 19300 157000 163 69300 130000 161 56600
25 76900 113 23400 150000 157 63500 150000 205 83400
 
26 77000 117 24300 136000 159 58300 159000 292 125000
27 77600 103 21600 134000 189 68400 145000 244 95700
28 76400 132 27300 136000 215 78900 132000 189 67200
29 73600 142 28100 133000 199 71600 131000 207 73400
30 e72500 148 29000 123000 182 60500 136000 253 92800
 
31 71500 135 26300 --- --- --- 128000 179 62300
 
TOTAL 2296300 --- 817900 3551100 --- 1843500 4021600 --- 2952800
 
JANUARY FEBRUARY MARCH
1 126000 184 62600 94500 183 46700 135000 134 48400
2 132000 256 91600 95100 185 47500 130000 175 61100
3 136000 315 116000 99200 198 53200 127000 246 84600
4 136000 285 105000 94600 142 36400 144000 235 91100
5 167000 450 204000 89600 122 29500 180000 243 121000
 
6 185000 683 341000 86900 102 23900 265000 525 379000
7 176000 615 293000 86900 94 22000 e354000 609 568000
8 155000 272 115000 88000 91 21700 414000 1070 1160000
9 137000 194 71800 86300 96 22400 407000 1360 1500000
10 129000 183 63500 82900 92 20700 388000 1160 1210000
 
11 125000 174 58500 82400 90 19900 359000 979 950000
12 122000 156 51400 83400 104 23400 320000 768 666000
13 117000 126 39700 85200 113 26000 284000 693 532000
14 113000 128 39100 88800 137 32800 267000 603 436000
15 110000 112 33200 89000 147 35400 251000 485 329000
 
16 108000 120 34700 86000 134 31100 231000 500 312000
17 109000 184 54400 83500 115 25800 219000 347 206000
18 120000 252 81800 80100 175 37700 217000 377 221000
19 124000 269 90100 78500 183 38900 209000 327 185000
20 129000 341 118000 79800 161 34700 209000 300 169000
 
21 131000 292 104000 84100 180 41000 210000 218 123000
22 130000 295 104000 97600 184 48500 208000 190 106000
23 131000 236 83200 108000 197 57700 200000 197 106000
24 123000 211 70100 120000 253 81900 187000 200 101000
25 117000 207 65400 129000 273 95200 183000 179 88300
 
26 116000 220 68600 132000 202 71500 178000 162 78100
27 114000 220 67800 148000 161 64500 204000 273 152000
28 109000 192 56400 151000 210 85800 264000 351 251000
29 100000 175 47400 140000 207 78100 304000 374 307000
30 92900 163 40900 --- --- --- 304000 405 332000
 
31 94300 165 42100 --- --- --- 299000 375 302000
 
TOTAL 3914200 --- 2814300 2850400 --- 1253900 7651000 --- 11175600
 
APRIL MAY JUNE
1 311000 390 328000 215000 276 161000 426000 1130 1300000
2 316000 442 378000 226000 293 179000 411000 1080 1200000
3 315000 461 393000 235000 246 156000 415000 1050 1180000
4 306000 379 313000 235000 243 154000 437000 1170 1380000
5 294000 342 271000 232000 196 123000 445000 1100 1320000
 
6 284000 344 264000 218000 184 109000 442000 1090 1300000
7 277000 310 231000 206000 169 94200 431000 834 971000
8 274000 293 217000 189000 151 76900 417000 554 624000
9 270000 280 204000 179000 177 85500 403000 550 599000
10 263000 266 189000 167000 146 66000 393000 452 480000
 
11 255000 219 151000 156000 158 66400 387000 428 446000
12 244000 235 155000 146000 144 56900 378000 440 450000
13 229000 235 145000 139000 135 50600 371000 373 374000
14 215000 236 137000 153000 151 63100 371000 355 356000
15 202000 231 126000 177000 252 120000 368000 367 365000
 
16 184000 214 106000 181000 199 97200 367000 365 362000
17 162000 164 71900 178000 157 75200 381000 464 478000
18 156000 136 57200 176000 152 72300 403000 714 778000
19 150000 138 56100 178000 160 77300 422000 811 923000
20 148000 146 58200 196000 170 90000 422000 807 920000
 
21 143000 113 43500 229000 231 143000 416000 738 830000
22 147000 120 47600 247000 348 233000 410000 668 740000
23 148000 118 47200 273000 592 438000 402000 571 620000
24 152000 135 55100 277000 569 426000 397000 580 622000
25 159000 149 64000 264000 529 377000 395000 526 560000
 
26 168000 182 82400 288000 504 392000 393000 502 533000
27 180000 191 92400 343000 586 545000 388000 505 530000
28 185000 180 89900 408000 860 951000 382000 428 441000
29 189000 206 106000 449000 1160 1410000 374000 366 369000
30 206000 225 125000 455000 1230 1510000 363000 381 374000
 
31 --- --- --- 445000 1240 1490000 --- --- ---
 
TOTAL 6532000 --- 4604500 7460000 --- 9888600 12010000 --- 21425000
 
JULY AUGUST SEPTEMBER
1 352000 369 350000 194000 305 160000 302000 1100 897000
2 340000 343 315000 189000 261 133000 269000 1080 787000
3 327000 309 273000 173000 265 124000 237000 939 602000
4 313000 326 276000 160000 217 93500 218000 685 404000
5 297000 317 254000 159000 194 83300 196000 514 273000
 
6 287000 329 255000 167000 188 84900 171000 411 190000
7 269000 318 232000 185000 210 105000 152000 290 120000
8 254000 281 193000 192000 234 121000 141000 214 81400
9 257000 305 211000 178000 266 128000 130000 186 65300
10 257000 375 260000 165000 306 136000 123000 169 56400
 
11 254000 336 230000 158000 274 117000 123000 157 52000
12 250000 317 214000 145000 237 93200 119000 140 44900
13 248000 293 196000 138000 180 67400 114000 138 42400
14 249000 253 170000 133000 175 62900 109000 142 41700
15 257000 243 169000 123000 190 63400 106000 132 37600
 
16 269000 298 217000 114000 170 52200 107000 146 42200
17 270000 404 295000 107000 175 50800 113000 159 48400
18 258000 409 285000 109000 165 48300 122000 132 43400
19 243000 437 286000 108000 154 44900 125000 119 40300
20 234000 399 252000 104000 146 41000 128000 134 46300
 
21 236000 401 255000 106000 157 44900 125000 128 43300
22 232000 421 264000 114000 152 47000 121000 125 40800
23 224000 416 251000 114000 121 37500 124000 123 41300
24 213000 377 217000 110000 113 33500 142000 143 54900
25 208000 356 200000 99900 140 37800 154000 189 78800
 
26 202000 283 154000 113000 198 61000 157000 187 79200
27 194000 245 128000 165000 272 123000 153000 178 73900
28 187000 231 117000 212000 480 278000 147000 157 62200
29 188000 243 123000 295000 580 463000 143000 175 67400
30 189000 311 159000 313000 746 631000 135000 197 68900
 
31 198000 353 188000 305000 822 676000 --- --- ---
 
TOTAL 7756000 --- 6989000 4947900 --- 4242500 4506000 --- 4526000
 
YEAR 67496500 72533600
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data