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 in reports of the U.S. Geological Survey. 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 in reports of the U.S. Geological Survey. 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: Extreme 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. Sediment record computed from transport curves.
 

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, 973 mg/L, May 10; minimum daily mean, 76 mg/L, Jan. 23 and 30.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,450,000 tons, May 10; minimum daily, 17,500 tons, Jan. 23.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
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 134000 191 69300 143000 171 66200 149000 142 57000
2 127000 188 64800 137000 158 58300 149000 140 56400
3 118000 176 56200 135000 149 54100 149000 132 53000
4 106000 163 46900 136000 145 53500 150000 124 50100
5 99400 153 41200 137000 143 52800 151000 117 47700
 
6 104000 151 42600 139000 141 52800 148000 110 44000
7 103000 151 42200 138000 141 52600 140000 105 39700
8 107000 155 45100 133000 138 49200 132000 103 37000
9 112000 159 48300 125000 130 43700 128000 102 35200
10 115000 163 50700 126000 128 43500 125000 101 34100
 
11 113000 159 48500 128000 129 44500 128000 105 36300
12 116000 159 49700 125000 124 41800 135000 109 39600
13 132000 175 62300 121000 119 38700 144000 114 44300
14 139000 188 70500 118000 114 36100 147000 121 47800
15 141000 190 72300 114000 114 34900 155000 127 53000
 
16 139000 181 68300 111000 113 33900 162000 143 62900
17 139000 174 65200 110000 110 32500 199000 323 175000
18 140000 169 64200 108000 106 30900 223000 328 198000
19 147000 166 65700 104000 106 29600 218000 278 164000
20 151000 165 67300 104000 110 30800 205000 246 136000
 
21 157000 176 74700 102000 113 31200 190000 220 113000
22 153000 170 69500 103000 109 30300 175000 198 93400
23 138000 165 61600 99200 105 28200 173000 202 94400
24 147000 201 79800 96300 111 28700 169000 197 90200
25 168000 280 127000 112000 148 45000 153000 177 73200
 
26 179000 282 136000 123000 157 52100 133000 149 53700
27 167000 254 115000 118000 130 41700 129000 140 48700
28 154000 211 88100 118000 118 37700 118000 136 43600
29 157000 210 89100 121000 116 37800 99400 119 32100
30 150000 190 77400 136000 125 45900 90300 105 25500
 
31 145000 174 68000 --- --- --- 86900 96 22400
 
JANUARY FEBRUARY MARCH
1 95000 111 28400 193000 255 140000 154000 175 72700
2 94400 116 29800 270000 523 381000 159000 190 81700
3 88900 105 25200 271000 471 346000 164000 200 88400
4 86500 93 21800 244000 393 259000 166000 185 83000
5 86400 82 19200 210000 331 188000 159000 168 71900
 
6 91500 81 19800 188000 277 140000 142000 151 57800
7 93500 82 20600 171000 233 107000 130000 140 49000
8 92500 82 20600 159000 196 83900 137000 160 59100
9 93700 83 21100 147000 167 66400 157000 324 140000
10 102000 84 23100 143000 158 61300 180000 509 247000
 
11 104000 85 23700 144000 151 58700 188000 424 214000
12 100000 85 23100 141000 143 54400 199000 365 195000
13 103000 86 23900 140000 134 50700 195000 345 181000
14 104000 85 23800 139000 126 47200 186000 327 165000
15 105000 85 24000 143000 124 47600 183000 316 156000
 
16 101000 84 22900 144000 133 51800 191000 321 166000
17 96800 82 21400 139000 140 52300 194000 322 169000
18 98100 79 20900 132000 137 48800 190000 308 158000
19 93500 77 19400 132000 134 47800 190000 293 150000
20 94200 79 20000 134000 131 47600 200000 277 150000
 
21 93100 81 20300 131000 128 45200 196000 251 133000
22 89900 78 19100 129000 130 45400 192000 225 116000
23 85100 76 17500 142000 142 54800 189000 199 102000
24 85000 107 24700 153000 156 64600 181000 178 87300
25 91400 118 29200 163000 178 78600 190000 197 101000
 
26 89500 100 24100 170000 189 86700 205000 222 123000
27 87000 90 21100 162000 170 74300 198000 203 108000
28 87100 84 19700 152000 160 65700 191000 182 93500
29 88000 78 18500 --- --- --- 192000 175 90900
30 94600 76 19300 --- --- --- 196000 175 92600
 
31 110000 100 30200 --- --- --- 188000 165 83800
 
APRIL MAY JUNE
1 177000 144 69000 413000 646 721000 391000 327 345000
2 164000 124 55000 418000 626 707000 356000 295 283000
3 161000 123 53500 411000 541 600000 338000 276 252000
4 164000 131 57900 399000 468 503000 332000 261 235000
5 165000 131 58600 387000 417 436000 324000 246 215000
 
6 165000 128 57300 370000 367 368000 313000 231 195000
7 166000 125 56100 370000 344 344000 312000 219 185000
8 173000 206 96800 417000 487 554000 323000 245 214000
9 182000 214 105000 495000 819 1100000 332000 281 253000
10 199000 210 113000 554000 973 1450000 343000 326 302000
 
11 223000 229 138000 592000 803 1280000 354000 437 418000
12 231000 258 160000 616000 688 1140000 378000 547 559000
13 226000 262 160000 655000 652 1150000 399000 601 647000
14 222000 250 150000 678000 625 1150000 424000 649 743000
15 221000 232 138000 698000 599 1130000 445000 682 819000
 
16 211000 214 122000 715000 571 1100000 450000 618 750000
17 209000 204 115000 732000 530 1050000 443000 537 642000
18 213000 200 115000 732000 479 948000 428000 482 556000
19 215000 204 118000 716000 409 790000 408000 436 480000
20 221000 210 126000 693000 380 711000 382000 391 404000
 
21 238000 263 170000 659000 360 640000 351000 350 331000
22 277000 382 287000 616000 337 560000 320000 321 277000
23 313000 498 421000 570000 314 483000 299000 292 235000
24 316000 524 447000 524000 291 412000 280000 264 200000
25 322000 457 397000 482000 271 353000 268000 241 174000
 
26 327000 439 388000 453000 258 316000 264000 222 159000
27 324000 439 384000 439000 246 292000 256000 204 141000
28 329000 546 486000 440000 249 296000 249000 186 125000
29 356000 628 604000 449000 346 419000 242000 168 110000
30 392000 650 687000 442000 395 472000 240000 151 98000
 
31 --- --- --- 422000 360 411000 --- --- ---
 
JULY AUGUST SEPTEMBER
1 235000 147 93000 147000 126 49800 181000 155 75700
2 226000 144 88200 143000 122 47000 172000 149 69100
3 221000 142 84700 135000 118 43100 163000 141 62000
4 218000 140 81900 128000 114 39600 155000 132 55300
5 214000 137 79400 127000 111 37900 145000 125 48800
 
6 210000 135 76400 124000 108 36000 134000 118 42900
7 206000 132 73400 124000 105 35100 127000 110 37700
8 202000 130 70500 123000 102 33900 123000 102 33800
9 196000 127 67100 122000 98 32500 121000 98 31900
10 192000 126 65300 116000 94 29500 122000 98 32200
 
11 190000 134 68700 117000 96 30200 120000 98 31700
12 189000 144 73500 118000 98 31100 119000 98 31500
13 192000 148 77000 117000 95 29800 124000 95 31600
14 192000 141 73100 123000 102 33700 125000 90 30500
15 186000 134 67000 130000 108 38100 125000 86 29000
 
16 178000 126 60600 134000 111 40100 125000 82 27500
17 165000 119 52900 134000 113 40700 123000 82 27300
18 156000 112 47100 138000 114 42500 126000 84 28300
19 155000 105 43900 134000 109 39300 124000 79 26400
20 152000 101 41200 137000 118 43600 127000 99 34100
 
21 152000 98 40300 155000 146 61000 130000 107 37700
22 159000 96 41200 158000 148 63000 124000 97 32300
23 159000 94 40200 156000 143 60500 114000 90 27500
24 158000 91 38900 160000 161 70000 112000 89 27100
25 157000 89 37800 199000 195 105000 113000 91 28000
 
26 154000 89 37300 217000 201 118000 108000 92 26900
27 150000 90 36500 214000 192 111000 102000 89 24600
28 146000 90 35600 207000 180 101000 94600 85 21600
29 144000 91 35200 196000 170 89800 89700 81 19700
30 141000 104 39500 189000 164 83600 92800 81 20300
 
31 147000 129 51300 187000 159 80500 --- --- ---


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data